Wednesday November 27, 2024
Energy participation ratio analysis for very anharmonic superconducting circuits
Figen Yilmaz, Siddharth Singh, Martijn F.S. Zwanenburg, Jinlun Hu, Taryn V. Stefanski, Christian Kraglund Andersen
https://arxiv.org/abs/2411.15039

Wednesday November 20, 2024
Advanced CMOS manufacturing of superconducting qubits on 300 mm wafers
J. Van Damme, S. Massar, R. Acharya, Ts. Ivanov, D. Perez Lozano, Y. Canvel, M. Demarets, D. Vangoidsenhoven, Y. Hermans, J. G. Lai, A. M. Vadiraj, M. Mongillo, D. Wan, J. De Boeck, A. Potočnik & K. De Greve
https://www.nature.com/articles/s41586-024-07941-9

Wednesday November 6, 2024
Microwave-activated two-qubit gates for fixed-coupling and fixed-frequency transmon qubits
Ling Jiang, Peng Xu, Shengjun Wu, Jian-An Sun, Fu-Quan Dou
https://arxiv.org/abs/2410.07817

Wednesday October 30, 2024
Hardware-efficient quantum error correction using concatenated bosonic qubits
AWS and Collaborators
https://arxiv.org/abs/2409.13025

Wednesday October 23, 2024
Demonstrating real-time and low-latency quantum error correction with superconducting qubits
Laura Caune, Luka Skoric, Nick S. Blunt, Archibald Ruban, Jimmy McDaniel, Joseph A. Valery, Andrew D. Patterson, Alexander V. Gramolin, Joonas Majaniemi, Kenton M. Barnes, Tomasz Bialas, Okan Buğdaycı, Ophelia Crawford, György P. Gehér, Hari Krovi, Elisha Matekole, Canberk Topal, Stefano Poletto, Michael Bryant, Kalan Snyder, Neil I. Gillespie, Glenn Jones, Kauser Johar, Earl T. Campbell, Alexander D. Hill
https://arxiv.org/abs/2410.05202

Wednesday October 16, 2024
Parametric Light-Matter Interaction in the Single-Photon Strong Coupling Limit
C.A. Potts, R.C. Dekker, S. Deve, E.W. Strijbis, G.A. Steele
https://arxiv.org/abs/2407.02024

Wednesday October 9, 2024
Fast unconditional reset and leakage reduction in fixed-frequency transmon qubits
Liangyu Chen, Simon Pettersson Fors, Zixian Yan, Anaida Ali, Tahereh Abad, Amr Osman, Eleftherios Moschandreou, Benjamin Lienhard, Sandoko Kosen, Hang-Xi Li, Daryoush Shiri, Tong Liu, Stefan Hill, Abdullah-Al Amin, Robert Rehammar, Mamta Dahiya, Andreas Nylander, Marcus Rommel, Anita Fadavi Roudsari, Marco Caputo, Grönberg Leif, Joonas Govenius, Miroslav Dobsicek, Michele Faucci Giannelli, Anton Frisk Kockum, Jonas Bylander, Giovanna Tancredi
https://arxiv.org/abs/2409.16748v1

Wednesday October 2, 2024
24 days-stable CNOT-gate on fluxonium qubits with over 99.9% fidelity
Wei-Ju Lin, Hyunheung Cho, Yinqi Chen, Maxim G. Vavilov, Chen Wang, Vladimir E. Manucharyan
https://arxiv.org/abs/2407.15783

Wednesday September 18, 2024
Unified picture of measurement-induced ionization in the transmon
Marie Frédérique Dumas, Benjamin Groleau-Paré, Alexander McDonald, Manuel H. Muñoz-Arias, Cristóbal Lledó, Benjamin D’Anjou, Alexandre Blais
https://arxiv.org/abs/2402.06615

Wednesday September 11, 2024
Mitigating Losses of Superconducting Qubits Strongly Coupled to Defect Modes
Dante Colao Zanuz, Quentin Ficheux, Laurent Michaud, Alexei Orekhov, Kilian Hanke, Alexander Flasby, Mohsen Bahrami Panah, Graham J. Norris, Michael Kerschbaum, Ants Remm, François Swiadek, Christoph Hellings, Stefania Lazăr, Colin Scarato, Nathan Lacroix, Sebastian Krinner, Christopher Eichler, Andreas Wallraff, Jean-Claude Besse
https://arxiv.org/abs/2407.18746

Wednesday September 4, 2024
Quantum error correction below the surface code threshold
Google Quantum AI and Collaborators
https://arxiv.org/abs/2408.13687

Wednesday July 31, 2024
Suppressing Counter-Rotating Errors for Fast Single-Qubit Gates with Fluxonium
David A. Rower, Leon Ding, Helin Zhang, Max Hays, Junyoung An, Patrick M. Harrington, Ilan T. Rosen, Jeffrey M. Gertler, Thomas M. Hazard, Bethany M. Niedzielski, Mollie E. Schwartz, Simon Gustavsson, Kyle Serniak, Jeffrey A. Grover, William D. Oliver
https://arxiv.org/abs/2406.08295

Wednesday July 24, 2024
A cryogenic on-chip microwave pulse generator for large-scale superconducting quantum computing
Zenghui Bao, Yan Li, Zhiling Wang, Jiahui Wang, Jize Yang, Haonan Xiong, Yipu Song, Yukai Wu, Hongyi Zhang, Luming Duan
https://arxiv.org/abs/2407.11775v1

Wednesday July 17, 2024
Quantum control of a cat qubit with bit-flip times exceeding ten seconds
U. Réglade, A. Bocquet, R. Gautier, J. Cohen, A. Marquet, E. Albertinale, N. Pankratova, M. Hallén, F. Rautschke, L.-A. Sellem, P. Rouchon, A. Sarlette, M. Mirrahimi, P. Campagne-Ibarcq, R. Lescanne, S. Jezouin & Z. Leghtas
https://www.nature.com/articles/s41586-024-07294-3

Wednesday July 10, 2024
Cryogenic growth of tantalum thin films for low-loss superconducting circuits
Teun A. J. van Schijndel, Anthony P. McFadden, Aaron N. Engel, Jason T. Dong, Wilson J. Yánez-Parreño, Manisha Parthasarathy, Raymond W. Simmonds, Christopher J. Palmstrøm
https://arxiv.org/abs/2405.12417

Wednesday July 03, 2024
Surface participation and dielectric loss in superconducting qubits
Chen Wang, Christopher Axline, Yvonne Y. Gao, Teresa Brecht, Luigi Frunzio, Michel H. Devoret, Robert J. Schoelkopf
https://arxiv.org/abs/1509.01854

Wednesday June 12, 2024
Minimizing Kinetic Inductance in Tantalum-Based Superconducting Coplanar Waveguide Resonators for Alleviating Frequency Fluctuation Issues
Dengfeng Li, Jingjing Hu, Yuan Li, Shuoming An
https://arxiv.org/abs/2405.02955

Wednesday June 05, 2024
Gate and flux tunable sin(2φ) Josephson element in proximitized junctions
Axel Leblanc, Chotivut Tangchingchai, Zahra Sadre Momtaz, Elyjah Kiyooka, Jean-Michel Hartmann, Frederic Gustavo, Jean-Luc Thomassin, Boris Brun, Vivien Schmitt, Simon Zihlmann, Romain Maurand, Etienne Dumur, Silvano De Franceschi, Francois Lefloch
https://arxiv.org/abs/2405.14695

Wednesday May 29, 2024
Quasiparticle effects in magnetic-field-resilient 3D transmons
J. Krause, G. Marchegiani, L. M. Janssen, G. Catelani, Yoichi Ando, C. Dickel
https://arxiv.org/abs/2403.03351

Wednesday May 22, 2024
Optimizing quantum gates towards the scale of logical qubits
Paul V. Klimov, Andreas Bengtsson, Chris Quintana, Alexandre Bourassa, Sabrina Hong, Andrew Dunsworth, Kevin J. Satzinger, William P. Livingston, Volodymyr Sivak, Murphy Yuezhen Niu, Trond I. Andersen, Yaxing Zhang, Desmond Chik, Zijun Chen, Charles Neill, Catherine Erickson, Alejandro Grajales Dau, Anthony Megrant, Pedram Roushan, Alexander N. Korotkov, Julian Kelly, Vadim Smelyanskiy, Yu Chen & Hartmut Neven
https://www.nature.com/articles/s41467-024-46623-y

Wednesday May 15, 2024
Single-shot readout of a superconducting qubit using a thermal detector
András M. Gunyhó, Suman Kundu, Jian Ma, Wei Liu, Sakari Niemelä, Giacomo Catto, Vasilii Vadimov, Visa Vesterinen, Priyank Singh, Qiming Chen & Mikko Möttönen
https://www.nature.com/articles/s41928-024-01147-7

Wednesday May 08, 2024
Characterizing Coherent Errors using Matrix-Element Amplification
Jonathan A. Gross, Élie Genois, Dripto M. Debroy, Yaxing Zhang, Wojciech Mruczkiewicz, Ze-Pei Cian, Zhang Jiang
https://arxiv.org/abs/2404.12550

Wednesday April 24, 2024
Realization of High-Fidelity CZ Gate based on a Double-Transmon Coupler
Rui Li, Kentaro Kubo, Yinghao Ho, Zhiguang Yan, Yasunobu Nakamura, Hayato Goto
https://arxiv.org/abs/2402.18926

Wednesday April 10, 2024
Integer Fluxonium Qubit
Raymond A. Mencia, Wei-Ju Lin, Hyunheung Cho, Maxim G. Vavilov, Vladimir E. Manucharyan
https://arxiv.org/abs/2403.16780

Wednesday April 03, 2024
Erasure detection of a dual-rail qubit encoded in a double-post superconducting cavity
Akshay Koottandavida, Ioannis Tsioutsios, Aikaterini Kargioti, Cassady R. Smith, Vidul R. Joshi, Wei Dai, James D. Teoh, Jacob C. Curtis, Luigi Frunzio, Robert J. Schoelkopf, Michel H. Devoret
https://arxiv.org/abs/2311.04423

Wednesday March 27, 2024
Resisting high-energy impact events through gap engineering in superconducting qubit arrays
Matt McEwen, Kevin C. Miao, Juan Atalaya, Alex Bilmes, Alex Crook, Jenna Bovaird, John Mark Kreikebaum, Nicholas Zobrist, Evan Jeffrey, Bicheng Ying, Andreas Bengtsson, Hung-Shen Chang, Andrew Dunsworth, Julian Kelly, Yaxing Zhang, Ebrahim Forati, Rajeev Acharya, Justin Iveland, Wayne Liu, Seon Kim, Brian Burkett, Anthony Megrant, Yu Chen, Charles Neill, Daniel Sank, Michel Devoret, Alex Opremcak
https://arxiv.org/abs/2402.15644

Wednesday March 20, 2024
Superconducting Qubits Above 20 GHz Operating over 200 mK
Alexander Anferov, Shannon P. Harvey, Fanghui Wan, Jonathan Simon, David I. Schuster
https://arxiv.org/abs/2402.03031

Wednesday February 28, 2024
Enhancing the Coherence of Superconducting Quantum Bits with Electric Fields
Jürgen Lisenfeld, Alexander Bilmes, Alexey V. Ustinov
https://arxiv.org/abs/2208.01570

Wednesday February 21, 2024
Solomon equations for qubit and two-level systems: insights into non-Poissonian quantum jumps
Martin Spiecker, Andrei I. Pavlov, Alexander Shnirman, Ioan M. Pop
https://arxiv.org/abs/2307.06900

Wednesday February 14, 2024
Loss and decoherence in superconducting circuits on silicon: Insights from electron spin resonance
Aditya Jayaraman, Andrey V. Danilov, Jonas Bylander, Sergey E. Kubatkin
https://arxiv.org/abs/2402.03889

Wednesday January 31, 2024
Programmable Heisenberg interactions between Floquet qubits
Long B. Nguyen, Yosep Kim, Akel Hashim, Noah Goss, Brian Marinelli, Bibek Bhandari, Debmalya Das, Ravi K. Naik, John Mark Kreikebaum, Andrew N. Jordan, David I. Santiago & Irfan Siddiqi
https://www.nature.com/articles/s41567-023-02326-7

Wednesday January 24, 2024
Saturable Purcell filter for circuit quantum electrodynamics
Ivan Iakoupov and Kazuki Koshino
https://arxiv.org/abs/2202.07229

Wednesday January 17, 2024
Quasiparticle dynamics in a superconducting qubit irradiated by a localized infrared source
Rodrigo Benevides, Maxwell Drimmer, Giacomo Bisson, Francesco Adinolfi, Uwe von Lüpke, Hugo Michiel Doeleman, Gianluigi Catelani, Yiwen Chu
https://arxiv.org/abs/2312.05892

Wednesday January 10, 2024
Observation of giant two-level systems in a granular superconductor
Maximilian Kristen, Jan Nicolas Voss, Micha Wildermuth, Alexander Bilmes, Jürgen Lisenfeld, Hannes Rotzinger, Alexey V. Ustinov
https://arxiv.org/abs/2307.09078v2

Wednesday December 06, 2023
Microwave spectroscopy of Andreev states in InAs nanowire-based hybrid junctions using a flip-chip layout
Patrick Zellekens, Russell S. Deacon, Pujitha Perla, Detlev Grützmacher, Mihail Ion Lepsa, Thomas Schäpers & Koji Ishibashi
https://www.nature.com/articles/s42005-022-01035-6

Wednesday November 29, 2023
Algorithms for perturbative analysis and simulation of quantum dynamics
Daniel Puzzuoli, Sophia Fuhui Lin, Moein Malekakhlagh, Emily Pritchett, Benjamin Rosand, Christopher J. Wood
https://arxiv.org/abs/2210.11595

Wednesday November 22, 2023
Learning to Decode the Surface Code with a Recurrent, Transformer-Based Neural Network
Johannes Bausch, Andrew W Senior, Francisco J H Heras, Thomas Edlich, Alex Davies, Michael Newman, Cody Jones, Kevin Satzinger, Murphy Yuezhen Niu, Sam Blackwell, George Holland, Dvir Kafri, Juan Atalaya, Craig Gidney, Demis Hassabis, Sergio Boixo, Hartmut Neven, Pushmeet Kohli
https://arxiv.org/abs/2310.05900

Wednesday November 15, 2023
Fast ZZ-Free Entangling Gates for Superconducting Qubits Assisted by a Driven Resonator
Ziwen Huang, Taeyoon Kim, Tanay Roy, Yao Lu, Alexander Romanenko, Shaojiang Zhu, Anna Grassellino
https://arxiv.org/abs/2311.01332

Wednesday November 08, 2023
Flux-pulse-assisted Readout of a Fluxonium Qubit
Taryn V. Stefanski, Christian Kraglund Andersen
https://arxiv.org/abs/2309.17286

Wednesday November 01, 2023
TLS Dynamics in a Superconducting Qubit Due to Background Ionizing Radiation
Ted Thorbeck, Andrew Eddins, Isaac Lauer, Douglas T. McClure, Malcolm Carroll
https://arxiv.org/abs/2210.04780

Wednesday October 25, 2023
Phonon engineering of atomic-scale defects in superconducting quantum circuits
Mo Chen, John Clai Owens, Harald Putterman, Max Schäfer, Oskar Painter
https://arxiv.org/abs/2310.03929

Wednesday October 18, 2023
Modular Superconducting Qubit Architecture with a Multi-chip Tunable Coupler
Mark Field, Angela Q. Chen, Ben Scharmann, Eyob A. Sete, Feyza Oruc, Kim Vu, Valentin Kosenko, Joshua Y. Mutus, Stefano Poletto, Andrew Bestwick
https://arxiv.org/abs/2308.09240

Wednesday October 11, 2023
Tunable inductive coupler for high fidelity gates between fluxonium qubits
Helin Zhang, Chunyang Ding, D. K. Weiss, Ziwen Huang, Yuwei Ma, Charles Guinn, Sara Sussman, Sai Pavan Chitta, Danyang Chen, Andrew A. Houck, Jens Koch, David I. Schuster
https://arxiv.org/abs/2309.05720

Wednesday October 4, 2023
Surpassing millisecond coherence times in on-chip superconducting quantum memories by optimizing materials, processes, and circuit design
Suhas Ganjam, Yanhao Wang, Yao Lu, Archan Banerjee, Chan U Lei, Lev Krayzman, Kim Kisslinger, Chenyu Zhou, Ruoshui Li, Yichen Jia, Mingzhao Liu, Luigi Frunzio, Robert J. Schoelkopf
https://arxiv.org/abs/2308.15539

Wednesday September 27, 2023
High-sensitivity AC-charge detection with a MHz-frequency fluxonium qubit
B.-L. Najera-Santos, R. Rousseau, K. Gerashchenko, H. Patange, A. Riva, M. Villiers, T. Briant, P.-F. Cohadon, A. Heidmann, J. Palomo, M. Rosticher, H. le Sueur, A. Sarlette, W. C. Smith, Z. Leghtas, E. Flurin, T. Jacqmin, S. Deléglise
https://arxiv.org/abs/2307.14329

Wednesday September 20, 2023
Photon-noise-tolerant dispersive readout of a superconducting qubit using a nonlinear Purcell filter
Yoshiki Sunada, Kenshi Yuki, Zhiling Wang, Takeaki Miyamura, Jesper Ilves, Kohei Matsuura, Peter A. Spring, Shuhei Tamate, Shingo Kono, Yasunobu Nakamura
https://arxiv.org/abs/2309.04315

Wednesday July 19, 2023
Mitigation of Quasiparticle Loss in Superconducting Qubits by Phonon Scattering
Arno Bargerbos, Lukas Johannes Splitthoff, Marta Pita-Vidal, Jaap J. Wesdorp, Yu Liu, Peter Krogstrup, Leo P. Kouwenhoven, Christian Kraglund Andersen, Lukas Grünhaupt
https://arxiv.org/abs/2207.12754

Wednesday July 12, 2023
Strong dispersive coupling between a mechanical resonator and a fluxonium superconducting qubit
Nathan R. A. Lee, Yudan Guo, Agnetta Y. Cleland, E. Alex Wollack, Rachel G. Gruenke, Takuma Makihara, Zhaoyou Wang, Taha Rajabzadeh, Wentao Jiang, Felix M. Mayor, Patricio Arrangoiz-Arriola, Christopher J. Sarabalis, Amir H. Safavi-Naeini
https://arxiv.org/abs/2304.13589

Wednesday June 28, 2023
Readout-induced suppression and enhancement of superconducting qubit lifetimes
Ted Thorbeck, Zhihao Xiao, Archana Kamal, Luke C. G. Govia
https://arxiv.org/abs/2305.10508

Wednesday June 14, 2023
Improved Coherence in Optically-Defined Niobium Trilayer Junction Qubits
Alexander Anferov, Kan-Heng Lee, Fang Zhao, Jonathan Simon, David I. Schuster
https://arxiv.org/abs/2306.05883

Wednesday June 07, 2023
Thermally driven quantum refrigerator autonomously resets superconducting qubit
Mohammed Ali Aamir, Paul Jamet Suria, José Antonio Marín Guzmán, Claudia Castillo-Moreno, Jeffrey M. Epstein, Nicole Yunger Halpern, Simone Gasparinetti
https://arxiv.org/abs/2305.16710

Wednesday May 31, 2023
Disentangling Losses in Tantalum Superconducting Circuits
Kevin D. Crowley, Russell A. McLellan, Aveek Dutta, Nana Shumiya, Alexander P. M. Place, Xuan Hoang Le, Youqi Gang, Trisha Madhavan, Nishaad Khedkar, Yiming Cady Feng, Esha A. Umbarkar, Xin Gui, Lila V. H. Rodgers, Yichen Jia, Mayer M. Feldman, Stephen A. Lyon, Mingzhao Liu, Robert J. Cava, Andrew A. Houck, Nathalie P. de Leon
https://arxiv.org/abs/2301.07848

Wednesday May 24, 2023
Mechanically Induced Correlated Errors on Superconducting Qubits with Relaxation Times Exceeding 0.4 Milliseconds
Shingo Kono, Jiahe Pan, Mahdi Chegnizadeh, Xuxin Wang, Amir Youssefi, Marco Scigliuzzo, Tobias J. Kippenberg
https://arxiv.org/abs/2305.02591

Wednesday May 17, 2023
Systematic Improvements in Transmon Qubit Coherence Enabled by Niobium Surface Encapsulation
Mustafa Bal, Akshay A. Murthy, Shaojiang Zhu, Francesco Crisa, Xinyuan You, Ziwen Huang, Tanay Roy, Jaeyel Lee, David van Zanten, Roman Pilipenko, Ivan Nekrashevich, Daniel Bafia, Yulia Krasnikova, Cameron J. Kopas, Ella O. Lachman, Duncan Miller, Josh Y. Mutus, Matthew J. Reagor, Hilal Cansizoglu, Jayss Marshall, David P. Pappas, Kim Vu, Kameshwar Yadavalli, Jin-Su Oh, Lin Zhou, Matthew J. Kramer, Dominic P. Goronzy, Carlos G. Torres-Castanedo, Graham Pritchard, Vinayak P. Dravid, James M. Rondinelli, Michael J. Bedzyk, Mark C. Hersam, John Zasadzinski, Jens Koch, James A. Sauls, Alexander Romanenko, Anna Grassellino
https://arxiv.org/abs/2304.13257

Wednesday May 10, 2023
Relaxing Hardware Requirements for Surface Code Circuits using Time-dynamics
Matt McEwen, Dave Bacon, Craig Gidney
https://arxiv.org/abs/2302.02192

Wednesday April 26, 2023
Long-distance transmon coupler with CZ gate fidelity above 99.8%
Fabian Marxer, Antti Vepsäläinen, Shan W. Jolin, Jani Tuorila, Alessandro Landra, Caspar Ockeloen-Korppi, Wei Liu, Olli Ahonen, Adrian Auer, Lucien Belzane, Ville Bergholm, Chun Fai Chan, Kok Wai Chan, Tuukka Hiltunen, Juho Hotari, Eric Hyyppä, Joni Ikonen, David Janzso, Miikka Koistinen, Janne Kotilahti, Tianyi Li, Jyrgen Luus, Miha Papic, Matti Partanen, Jukka Räbinä, Jari Rosti, Mykhailo Savytskyi, Marko Seppälä, Vasilii Sevriuk, Eelis Takala, Brian Tarasinski, Manish J. Thapa, Francesca Tosto, Natalia Vorobeva, Liuqi Yu, Kuan Yen Tan, Juha Hassel, Mikko Möttönen, Johannes Heinsoo
https://arxiv.org/abs/2208.09460

Wednesday April 19, 2023
High-Fidelity, Frequency-Flexible Two-Qubit Fluxonium Gates with a Transmon Coupler
Leon Ding, Max Hays, Youngkyu Sung, Bharath Kannan, Junyoung An, Agustin Di Paolo, Amir H. Karamlou, Thomas M. Hazard, Kate Azar, David K. Kim, Bethany M. Niedzielski, Alexander Melville, Mollie E. Schwartz, Jonilyn L. Yoder, Terry P. Orlando, Simon Gustavsson, Jeffrey A. Grover, Kyle Serniak, William D. Oliver
https://arxiv.org/abs/2304.06087

Wednesday April 12, 2023
The Snake Optimizer for Learning Quantum Processor Control Parameters
Paul V. Klimov, Julian Kelly, John M. Martinis, Hartmut Neven
https://arxiv.org/abs/2006.04594

Wednesday April 5, 2023
Observation of Josephson Harmonics in Tunnel Junctions
Dennis Willsch, Dennis Rieger, Patrick Winkel, Madita Willsch, Christian Dickel, Jonas Krause, Yoichi Ando, Raphaël Lescanne, Zaki Leghtas, Nicholas T. Bronn, Pratiti Deb, Olivia Lanes, Zlatko K. Minev, Benedikt Dennig, Simon Geisert, Simon Günzler, Sören Ihssen, Patrick Paluch, Thomas Reisinger, Roudy Hanna, Jin Hee Bae, Peter Schüffelgen, Detlev Grützmacher, Luiza Buimaga-Iarinca, Cristian Morari, Wolfgang Wernsdorfer, David P. DiVincenzo, Kristel Michielsen, Gianluigi Catelani, Ioan M. Pop
https://arxiv.org/abs/2302.09192

Wednesday March 22, 2023
Building Blocks of a Flip-Chip Integrated Superconducting Quantum Processor
Sandoko Kosen, Hang-Xi Li, Marcus Rommel, Daryoush Shiri, Christopher Warren, Leif Grönberg, Jaakko Salonen, Tahereh Abad, Janka Biznárová, Marco Caputo, Liangyu Chen, Kestutis Grigoras, Göran Johansson, Anton Frisk Kockum, Christian Križan, Daniel Pérez Lozano, Graham Norris, Amr Osman, Jorge Fernández-Pendás, Alberto Ronzani, Anita Fadavi Roudsari, Slawomir Simbierowicz, Giovanna Tancredi, Andreas Wallraff, Christopher Eichler, Joonas Govenius, Jonas Bylander
https://iopscience.iop.org/article/10.1088/2058-9565/ac734b

Wednesday March 15, 2023
Floating Tunable Coupler for Scalable Quantum Computing Architectures
Eyob A. Sete, Angela Q. Chen, Riccardo Manenti, Shobhan Kulshreshtha, and Stefano Poletto
https://journals.aps.org/prapplied/pdf/10.1103/PhysRevApplied.15.064063

Wednesday February 22, 2023
Resolving Fock states near the Kerr-free point of a superconducting resonator
Yong Lu, Marina Kudra, Timo Hillmann, Jiaying Yang, Hangxi Li, Fernando Quijandria, and Per Delsing
https://arxiv.org/abs/2210.09718

Wednesday February 15, 2023
Low-loss interconnects for modular superconducting quantum processors
Jingjing Niu, Libo Zhang, Yang Liu, Jiawei Qiu, Wenhui Huang, Jiaxiang Huang, Hao Jia, Jiawei Liu, Ziyu Tao, Weiwei Wei, Yuxuan Zhou, Wanjing Zou, Yuanzhen Chen, Xiaowei Deng, Xiuhao Deng, Changkang Hu, Ling Hu, Jian Li, Dian Tan, Yuan Xu, Fei Yan, Tongxing Yan, Song Liu, Youpeng Zhong, Andrew N. Cleland, Dapeng Yu
https://arxiv.org/abs/2302.02751

Wednesday February 8, 2023
Effect of Post Deposition Annealing on the Structural and Electrical Properties of NbTiN Thin Films Deposited by Reactive Bias Target Ion Beam Deposition Technique
Tannaz Farrahi; Michael E. Cyberey; Michael B. Eller; Arthur W. Lichtenberger
https://ieeexplore.ieee.org/abstract/document/8684912

Wednesday February 1, 2023
Dual-rail encoding with superconducting cavities
James D. Teoh, Patrick Winkel, Harshvardhan K. Babla, Benjamin J. Chapman, Jahan Claes, Stijn J. de Graaf, John W.O. Garmon, William D. Kalfus, Yao Lu, Aniket Maiti, Kaavya Sahay, Neel Thakur, Takahiro Tsunoda, Sophia H. Xue, Luigi Frunzio, Steven M. Girvin, Shruti Puri, Robert J. Schoelkopf
https://arxiv.org/abs/2212.12077

Wednesday January 25, 2023
Measurement-Induced State Transitions in a Superconducting Qubit: Within the Rotating Wave Approximation
Google Quantum A.I.
https://arxiv.org/abs/2212.05097

Wednesday January 18, 2023
Characterization of tunable coupler without a dedicated readout resonator in superconducting circuits
Chi Zhang, Tian-Le Wang, Liang-Liang Guo, Xiao-Yan Yang, Xin-Xin Yang, Peng Duan, Zhi-Long Jia, Wei-Cheng Kong, and Guo-Ping Guo
https://aip.scitation.org/doi/full/10.1063/5.0135219

Wednesday January 11, 2023
Fabrication and Characterization of Magnetic-Field-Resilient MoRe Superconducting Coplanar Waveguide Resonators
Chang Geun Yu, Bongkeon Kim, Yong-Joo Doh
https://arxiv.org/abs/2211.16948

Wednesday December 14, 2022
Realization of high-fidelity CZ and ZZ-free iSWAP gates with a tunable coupler
Youngkyu Sung, Leon Ding, Jochen Braumüller, Antti Vepsäläinen, Bharath Kannan, Morten Kjaergaard, Ami Greene, Gabriel O. Samach, Chris McNally, David Kim, Alexander Melville, Bethany M. Niedzielski, Mollie E. Schwartz, Jonilyn L. Yoder, Terry P. Orlando, Simon Gustavsson, William D. Oliver
https://arxiv.org/abs/2011.01261

Wednesday December 7, 2022
Shape optimization of superconducting transmon qubit for low surface dielectric loss
Sungjun Eun, Seong Hyeon Park, Kyungsik Seo, Kibum Choi, Seungyong Hahn
https://arxiv.org/abs/2211.14159

Wednesday November 30, 2022
Microwave Package Design for Superconducting Quantum Processors
Sihao Huang, Benjamin Lienhard, Greg Calusine, Antti Vepsäläinen, Jochen Braumüller, David K. Kim, Alexander J. Melville, Bethany M. Niedzielski, Jonilyn L. Yoder, Bharath Kannan, Terry P. Orlando, Simon Gustavsson, and William D. Oliver
https://arxiv.org/abs/2012.01438

Wednesday November 23, 2022
TLS Dynamics in a Superconducting Qubit Due to Background Ionizing Radiation
Ted Thorbeck, Andrew Eddins, Isaac Lauer, Douglas T. McClure, Malcolm Carroll
https://arxiv.org/abs/2210.04780

Wednesday November 16, 2022
Overcoming leakage in scalable quantum error correction
Google Quantum A.I.
https://arxiv.org/abs/2211.04728

Wednesday November 9, 2022
One hundred second bit-flip time in a two-photon dissipative oscillator
C. Berdou, A. Murani, U. Reglade, W. C. Smith, M. Villiers, J. Palomo, M. Rosticher, A. Denis, P. Morfin, M. Delbecq, T. Kontos, N. Pankratova, F. Rautschke, T. Peronnin, L.-A. Sellem, P. Rouchon, A. Sarlette, M. Mirrahimi, P. Campagne-Ibarcq, S. Jezouin, R. Lescanne, Z. Leghtas
https://arxiv.org/abs/2204.09128

Wednesday November 2, 2022
On-Demand Directional Microwave Photon Emission Using Waveguide Quantum Electrodynamics
Bharath Kannan, Aziza Almanakly, Youngkyu Sung, Agustin Di Paolo, David A. Rower, Jochen Braumüller, Alexander Melville, Bethany M. Niedzielski, Amir Karamlou, Kyle Serniak, Antti Vepsäläinen, Mollie E. Schwartz, Jonilyn L. Yoder, Roni Winik, Joel I-Jan Wang, Terry P. Orlando, Simon Gustavsson, Jeffrey A. Grover, William D. Oliver
https://arxiv.org/abs/2203.01430

Wednesday October 26, 2022
Precision measurement of the microwave dielectric loss of sapphire in the quantum regime with parts-per-billion sensitivity
Alexander P. Read, Benjamin J. Chapman, Chan U Lei, Jacob C. Curtis, Suhas Ganjam, Lev Krayzman, Luigi Frunzio, Robert J. Schoelkopf
https://arxiv.org/abs/2206.14334

Wednesday October 19, 2022
Distinguishing parity-switching mechanisms in a superconducting qubit
Spencer Diamond, Valla Fatemi, Max Hays, Heekun Nho, Pavel D. Kurilovich, Thomas Connolly, Vidul R. Joshi, Kyle Serniak, Luigi Frunzio, Leonid I. Glazman, Michel H. Devoret
https://arxiv.org/abs/2204.07458

Wednesday October 12, 2022
Superconducting Coupler with Exponentially Large On:Off Ratio
Catherine Leroux, Agustin Di Paolo, and Alexandre Blais
https://journals.aps.org/prapplied/abstract/10.1103/PhysRevApplied.16.064062

Wednesday October 5, 2022
Extensive characterization of a family of efficient three-qubit gates at the coherence limit
Christopher W. Warren, Jorge Fernández-Pendás, Shahnawaz Ahmed, Tahereh Abad, Andreas Bengtsson, Janka Biznárová, Kamanasish Debnath, Xiu Gu, Christian Križan, Amr Osman, Anita Fadavi Roudsari, Per Delsing, Göran Johansson, Anton Frisk Kockum, Giovanna Tancredi, Jonas Bylander
https://arxiv.org/abs/2207.02938

Wednesday Sept 28, 2022
Transmon qubit readout fidelity at the threshold for quantum error correction without a quantum-limited amplifier
Liangyu Chen, Hang-Xi Li, Yong Lu, Christopher W. Warren, Christian J. Križan, Sandoko Kosen, Marcus Rommel, Shahnawaz Ahmed, Amr Osman, Janka Biznárová, Anita Fadavi Roudsari, Benjamin Lienhard, Marco Caputo, Kestutis Grigoras, Leif Grönberg, Joonas Govenius, Anton Frisk Kockum, Per Delsing, Jonas Bylander, Giovanna Tancredi
https://arxiv.org/abs/2208.05879

Wednesday Sept 21, 2022
Compact superconducting microwave resonators based on Al/AlOx/Al capacitor
Julia Zotova, Rui Wang, Alexander Semenov, Yu Zhou, Ivan Khrapach, Akiyoshi Tomonaga, Oleg Astafiev, Jaw-Shen Tsai
https://arxiv.org/abs/2203.09592

Wednesday Sept 14, 2022
Suppressing quantum errors by scaling a surface code logical qubit
Google Quantum A.I.
https://arxiv.org/abs/2207.06431

Wednesday July 13, 2022
Large fluctuations of qubit decoherence under 1/f noise of a sparse bath of two-level fluctuators and the role of outliers
M. Mehmandoost et al.
TBD

Wednesday July 6, 2022
Surface loss calculations and design of a superconducting transmon qubit with tapered wiring
J. M. Martinis
https://www-nature-com.tudelft.idm.oclc.org/articles/s41534-022-00530-6

Wednesday June 29, 2022
Demonstration of the Two-Fluxonium Cross-Resonance Gate
Ebru Dogan, Dario Rosenstock, Loïck Le Guevel, Haonan Xiong, Raymond A. Mencia, Aaron Somoroff, Konstantin N. Nesterov, Maxim G. Vavilov, Vladimir E. Manucharyan, Chen Wang
https://arxiv.org/abs/2204.11829

Wednesday June 22, 2022
Effects of Laser-Annealing on Fixed-Frequency Superconducting Qubits
Hyunseong Kim, Christian Jünger, Alexis Morvan, Edward S. Barnard, William P. Livingston, M. Virginia P. Altoé, Yosep Kim, Chengyu Song, Larry Chen, John Mark Kreikebaum, D. Frank Ogletree, David I. Santiago, Irfan Siddiqi
https://arxiv.org/abs/2206.03099

Wednesday June 15, 2022
Coherence Time Enhancement of Interacting Two-Level Systems in Aluminum Superconducting Resonators
Tamin Tai, Jingnan Cai, Steven M. Anlage
https://arxiv.org/abs/2109.11742

Wednesday June 8, 2022
Microwave-activated gates between a fluxonium and a transmon qubit
Alessandro Ciani, Boris M. Varbanov, Nicolas Jolly, Christian K. Andersen, Barbara M. Terhal
https://arxiv.org/abs/2206.06203

Wednesday June 1, 2022
Free-standing silicon shadow masks for transmon qubit fabrication
I. Tsioutsios, K. Serniak, S. Diamond, V. V. Sivak, Z. Wang, S. Shankar, L. Frunzio, R. J. Schoelkopf, M. H. Devoret
https://arxiv.org/abs/1911.05924

Wednesday May 25, 2022
Demonstration of fault-tolerant universal quantum gate operations
L. Postler et al.
https://arxiv.org/abs/2111.12654

Wednesday May 18, 2022
Titanium Nitride Film on Sapphire Substrate with Low Dielectric Loss for Superconducting Qubits
H. Deng et al.
https://arxiv.org/abs/2205.03528

Wednesday May 11, 2022
The field-free Josephson diode in a van der Waals heterostructure
H. Wu et al.
https://www.nature.com/articles/s41586-022-04504-8.pdf

Wednesday May 4, 2022
Ultrahigh-inductance materials from spinodal decomposition
R. Gao et al.
https://arxiv.org/abs/2111.05088

Wednesday April 20, 2022
Fast readout and reset of a superconducting qubit coupled to a resonator with an intrinsic Purcell filter
Y. Sunada et al.
https://arxiv.org/abs/2202.06202

Wednesday March 30, 2022
Mitigation of cosmic ray effect on microwave kinetic inductance detector arrays
K. Karatsu et al.
https://aip.scitation.org/doi/full/10.1063/1.5052419

Wednesday March 23, 2022
Path toward manufacturable superconducting qubits with relaxation times exceeding 0.1 ms
J. Verjauw et al.
https://arxiv.org/abs/2202.10303v1

Wednesday March 2, 2022
Operating in a deep underground facility improves the locking of gradiometric fluxonium qubits at the sweet spots
D. Gusenkova et al.
https://arxiv.org/abs/2201.09779

Wednesday February 23, 2022
Quantum Neuronal Sensing of Quantum Many-Body States on a 61-Qubit Programmable Superconducting Processor
M. Gong et al.
https://arxiv.org/pdf/2201.05957.pdf

Wednesday February 16, 2022
Granular Aluminum Nano-Junction Fluxonium Qubit
D. Rieger et al.
https://arxiv.org/pdf/2202.01776.pdf

Wednesday February 9, 2022
Hexagonal Boron Nitride (hBN) as a Low-loss Dielectric for Superconducting Quantum Circuits and Qubits
J. I-J. Wang et al.
https://arxiv.org/abs/2109.00015

Wednesday February 2, 2022
Scalable High-Performance Fluxonium Quantum Processor
L.B. Nguyen et al.
https://arxiv.org/abs/2201.09374

Wednesday January 26, 2022
Characterizing Midcircuit Measurements on a Superconducting Qubit Using Gate Set Tomography
K. Rudinger et al.
https://journals.aps.org/prapplied/abstract/10.1103/PhysRevApplied.17.014014

Wednesday January 19, 2022
Fluxonium: an alternative qubit platform for high-fidelity operations
F. Bao et al.
https://arxiv.org/pdf/2111.13504.pdf

Wednesday January 12, 2022
Realizing an Error-Correcting Surface Code with Superconducting Qubits
Y. Zhao et al.
https://arxiv.org/abs/2112.13505

Wednesday December 15, 2021
Realizing Repeated Quantum Error Correction in a Distance-Three Surface Code
S. Krinner et al.
https://arxiv.org/pdf/2112.03708.pdf

Wednesday December 8, 2021
Digital control of a superconducting qubit using a Josephson pulse generator at 3 K
L. Howe et al.
https://arxiv.org/abs/2111.12778

Wednesday December 1, 2021
Scalable method for eliminating residual ZZ interaction between superconducting qubits
Z. Ni et al.
https://arxiv.org/abs/2111.13292

Wednesday November 24, 2021
Floquet codes and their possible interest for superconducting qubits
https://arxiv.org/pdf/2107.02194
https://arxiv.org/abs/2108.10457
https://arxiv.org/abs/2110.09545

Wednesday November 17, 2021
Epitaxial titanium nitride microwave resonators: Structural, chemical, electrical, and microwave properties
R. Gao et al.
https://arxiv.org/pdf/2111.04227.pdf

Wednesday November 10, 2021
Improving qubit coherence using closed-loop feedback
A. Vepsäläinen et al.
https://arxiv.org/abs/2105.01107

Wednesday November 3, 2021
Magnetic-field resilience of 3D transmons with thin-film Al/AlOx/Al Josephson junctions approaching 1 T
J. Krause et al.
https://arxiv.org/abs/2111.01115#

Wednesday October 27, 2021
Calibrated decoders for experimental quantum error correction
Edward H. Chen et al.
https://arxiv.org/abs/2110.04285

Wednesday October 20, 2021
Quantum walks on a programmable two-dimensional 62-qubit superconducting processor
Ming Gong et al.
https://www.science.org/doi/10.1126/science.abg7812

Wednesday October 13, 2021
Quasiparticle tunneling as a probe of Josephson junction quality and capacitor material in superconducting qubits
C. Kurter et al.
https://arxiv.org/pdf/2106.11488.pdf

Wednesday October 6, 2021
Vacuum-gap transmon qubits realized using flip-chip technology
X. Li et al.
https://arxiv.org/abs/2106.00341

Wednesday September 29, 2021
Error mitigation via stabilizer measurement emulation
A. Greene et al.
https://arxiv.org/abs/2102.05767

Wednesday September 22, 2021
Dynamical sweet spot engineering via two tone flux modulation of superconducting qubits
J. A. Valery et al.
https://arxiv.org/abs/2104.07835

Wednesday September 8, 2021

Realization of real-time fault-tolerant quantum error correction
C. Ryan-Anderson et al.
https://arxiv.org/pdf/2107.07505.pdf
Discussion leader: Jorge

Wednesday September 1, 2021
LILLIPUT: A Lightweight Low-Latency Lookup-Table Based Decoder for Near-term Quantum Error Correction
Poulami Das, Aditya Locharla, Cody Jones
ArXiV:2108.06569.pdf
Discussion leader: Boris

Wednesday July 14, 2021
Investigation of Microwave Loss Induced by Oxide Regrowth in High-Q Niobium Resonators
Verjauw et al.
PhysRevApplied.16.014018
Discussion leader: Hany

Wednesday June 30, 2021
Low frequency correlated charge noise measurements across multiple energy transitions in a tantalum transmon
Daniel M. Tennant et al.
https://arxiv.org/pdf/2106.08406.pdf
Discussion leader: Sean van der Meer

Wednesday June 23, 2021
Dynamical sweet spot engineering via two-tone flux modulation of superconducting qubits
(Paper repeated)
Joseph A. Valery, Shoumik Chowdhury, Glenn Jones, Nicolas Didier
https://arxiv.org/pdf/2104.07835.pdf
Discussion leader: Francesco

Wednesday June 16, 2021
Observation of vanishing charge dispersion of a nearly-open superconducting island
(Paper repeated)
Arno Bargerbos et al.
https://arxiv.org/pdf/1911.10010.pdf
Discussion leader: Rebecca Gharibaan

Wednesday June 9, 2021
Resolving catastrophic error bursts from cosmic rays in large arrays of superconducting qubits
Matt McEwen et al. (Google Quantum AI and collaborators)
https://arxiv.org/ftp/arxiv/papers/2104/2104.05219.pdf
Discussion leader: Matvey

Wednesday June 2, 2021
The XZZX Surface Code
J. Pablo Bonilla Ataides, David K. Tuckett, Stephen D. Bartlett, Steven T. Flammia & Benjamin J. Brown
Nature Communications volume 12, Article number: 2172 (2021)
Discussion leader: Tim Vroomans

Wednesday May 25, 2021
Multi-level quantum noise spectroscopy
Yongkyu Sung et al.
Nature Communications volume 12, Article number: 967 (2021)
Discussion leader: Thijs

Wednesday May 19, 2021
Hardware-Efficient Microwave-Activated Tunable Coupling Between Superconducting Qubits
Bradley K. Mitchell et al.
https://arxiv.org/pdf/2105.05384.pdf
Discussion leader: Alessandro Ciani

Wednesday May 12, 2021
Discussion leader: Nandini
Decoherence benchmarking of superconducting qubits
Jonathan J. Burnett et al.
npj Quantum Information 5, Article number: 54
Discussion leader: Nandini

Wednesday April 28, 2021
Entangling logical qubits with lattice surgery
A. Erhard et al.
Nature 589, pages 220–224 (2021)
Discussion leader: Miguel

Wednesday April 21, 2021
Realizing topologically ordered states on a quantum processor
K. J. Satzinger et al.
https://arxiv.org/pdf/2104.01180.pdf
Discussion leader: Jorge

Wednesday April 14, 2021
Effects of surface treatments on flux tunable transmon qubits
M. Mergenthaler et al. (IBM Quantum)
https://arxiv.org/pdf/2103.07970.pdf
Discussion leader: Alessandro Bruno

Wednesday April 7, 2021
Characterizing and optimizing qubit coherence based on SQUID geometry
(Paper repeated)
Jochen Braumuller et al.
Phys. Rev. Applied 13, 054079
Discussion leader: Leo

Wednesday March 31, 2021
Exponential suppression of bit or phase flip errors with repetitive error correction
Zijun Chen et al. (Google Quantum AI)
https://arxiv.org/pdf/2102.06132.pdf
Discussion leader: Hany

Wednesday March 3, 2021
Localization and reduction of superconducting quantum coherent circuit losses
Virginia P. Altoe et al.
https://arxiv.org/pdf/2012.07604.pdf
Discussion leader: Nandini

Wednesday February 24, 2021
Dynamical sweet spot engineering via two-tone flux modulation of superconducting qubits
Joseph A. Valery, Shoumik Chowdhury, Glenn Jones, Nicolas Didier
https://arxiv.org/pdf/2104.07835.pdf
Discussion leader: Francesco

Wednesday February 17, 2021
Coherent manipulation of an Andreev spin qubit
M. Hays et al.
https://arxiv.org/pdf/2101.06701.pdf
Discussion leader: Thijs

Wednesday February 10, 2021
Silicon Hard-Stop Spacers for 3D Integration of Superconducting Qubits
Bethany M. Niedzielski et al.
https://ieeexplore.ieee.org/document/8993515
Discussion leader: Matvey

Wednesday February 3, 2021
Tunable Coupling Architecture for Fixed-frequency Transmons
J. Stehlik et al.
https://arxiv.org/pdf/2101.07746.pdf
Discussion leader: Alessandro Ciani

Wednesday January 27, 2021
In-situ bandaged Josephson junctions for superconducting quantum processors
Alexander Bilmes, Alexander K. Neumann, Serhii Volosheniuk, and Jürgen Lisenfeld
https://arxiv.org/pdf/2101.01453.pdf
Discussion leader: Christos

Wednesday January 20, 2021
Fast logic with slow qubits: microwave-activated controlled-Z gate on low-frequency fluxoniums
Quentin Ficheux et al.
https://arxiv.org/pdf/2011.02634.pdf
Discussion leader: Boris

Wednesday January 13, 2021
Primary Thermometry of Propagating Microwaves in the Quantum Regime
Marco Scigliuzzo, Andreas Bengtsson, Jean-Claude Besse, Andreas Wallraff, Per Delsing, and Simone Gasparinetti
https://journals.aps.org/prx/pdf/10.1103/PhysRevX.10.041054
Discussion leader: Matt Sarsby

Wednesday January 6, 2021
‘A Tutorial on Clifford gate synthesis’
Discussion leader: Barbara

Wednesday December 16, 2020
Measuring effective temperatures of qubits using correlations
Kulikov et al.
arXiv:2001.00323
Discussion leader: Santiago Valles Sanclamente

Wednesday December 9, 2020
Simplified Josephson-junction fabrication process for reproducibly high-performance superconducting qubits
A. Osman et al.
arXiv.2011.05230
Discussion leader: Pim Duivestein

Wednesday December 2, 2020
Demonstration of a High-Fidelity CNOT for Fixed-Frequency Transmons with Engineered ZZ Suppression
A. Kandala et al.
arXiv.2011.07050
Discussion leader: Hiresh Jadoenathmissier

Wednesday November 25, 2020
Summary of tomographic processes used in quantum information.
Discussion leader: Jorge

Wednesday November 18, 2020
Realization of high-fidelity CZ and ZZ-free iSWAP gates with a tunable coupler
Youngkyu Sung et al.
arXiv.2011.01261
Discussion: Miguel

Wednesday November 11, 2020
Ultrahigh Vacuum Packaging and Surface Cleaning for Quantum Devices
M. Mergenthaler et al.
arXiv.2010.12090
Discussion leader: Alessandro B.

Wednesday November 4, 2020
Searching for Dark Matter with a Superconducting Qubit
Akash V. Dixit et al.
arXiv.2008.12231
Discussion leader: Hany

Wednesday October 28, 2020
Fault-Tolerant Operation of a Quantum Error-Correction Code
Laird Egan et al.
arXiv.2009.11482
Discussion leader: Leo

Wednesday October 21, 2020

• Comparison of Dielectric Loss in Titanium Nitride and Aluminum Superconducting Resonators
  Melville et al.
  Appl. Phys. Lett. 117, 124004 (2020)

• Towards understanding two-level-systems in amorphous solids: insights from quantum circuits
  Clemens Müller, Jared H Cole and Jürgen Lisenfeld
  Rep. Prog. Phys. 82 124501

Discussion leader: Nandini

Wednesday October 14, 2020
Systematic Crosstalk Mitigation for Superconducting Qubits via Frequency-Aware Compilation
Yongshan Ding et al.
arXiv.2008.09503
Discussion leader: Francesco

Wednesday October 7, 2020
Circuit-QED with phase-biased Josephson weak links
C. Metzger et al.
arXiv.2010.00430
Discussion leader: Thijs

Wednesday September 30, 2020
Laser-annealing Josephson junctions for yielding scaled-up superconducting quantum processors
Jared B. Hertzberg et al.
arXiv.2009.00781
Discussion leader: Ramiro Sagastizabal

Wednesday September 23, 2020
Virtualized Logical Qubits: A 2.5D Architecture for Error-Corrected Quantum Computing
Casey Duckering, Jonathan M. Baker, David I. Schuster, Frederic T. Chong
arXiv.2009.01982
Discussion leader: Alessandro C.

Wednesday September 9, 2020
Near field radiative heat transfer between macro-scale metallic surfaces at cryogenic temperatures
Králík, Tomáš, Pavel Hanzelka, Věra Musilová, Aleš Srnka, and Pavel Urban
Cryogenics (2020): 103156
Discussion leader: Matt Sarsby

Wednesday July 15, 2020
Engineering Dynamical Sweet Spots to Protect Qubits from 1/f Noise
Z. Huang et al.
arXiv.2004.12458
Discussion leader: Boris

Wednesday July 8, 2020
Reducing the impact of radioactivity on quantum circuits in a deep-underground facility
L. Cardani et al.
https://arxiv.org/pdf/2005.02286.pdf
Discussion leader: Alessandro Bruno

Wednesday July 1, 2020
Demonstration of an All-Microwave Controlled-Phase Gate between Far Detuned Qubits
S. Krinner et al.
https://arxiv.org/pdf/2006.10639.pdf
Discussion leader: Barbara

Wednesday June 24, 2020
The Snake Optimizer for Learning Quantum Processor Control Parameters
Paul V. Klimov, Julian Kelly, John M. Martinis, Hartmut Neven
https://arxiv.org/pdf/2006.04594.pdf
Discussion leader: Miguel

Wednesday June 17, 2020
Materials loss measurements using superconducting microwave resonators
C.R.H. McRae et al.
https://arxiv.org/pdf/2006.04718.pdf
Discussion leader: Christos

Wednesday June 10, 2020
Implementation of Conditional-Phase Gates based on tunable ZZ-Interactions
Michele C. Colodo et al.
https://arxiv.org/pdf/2005.08863.pdf
Discussion leader: Victor Negirneac

Wednesday June 3, 2020
Benchmarking the noise sensitivity of different parametric two-qubit gates in a single superconducting quantum computing platform
M. Ganzhorn et al.
https://arxiv.org/pdf/2005.05696.pdf
Discussion leader: Jorge

Wednesday May 27, 2020
Microscopic Relaxation Channels in Materials for Superconducting Qubits
Anjali Premkumar et al.
https://arxiv.org/pdf/2004.02908.pdf
Discussion leader: Hany

Wednesday May 13, 2020
Improving the Performance of Deep Quantum Optimization Algorithms with Continuous Gate Sets
Nathan Lacroix et al.
https://arxiv.org/pdf/2005.05275.pdf
Discussion leader: Leo

Wednesday May 6, 2020
Characterizing and optimizing qubit coherence based on SQUID geometry
Jochen Braumuller et al.
https://arxiv.org/pdf/2002.09372.pdf
Discussion leader: Nandini

Wednesday April 29, 2020
Quantum Approximate Optimization of Non-Planar Graph Problems on a Planar Superconducting Processor
Google AI Quantum and Collaborators
https://arxiv.org/pdf/2004.04197.pdf
Discussion leader: Berend Klaver

Wednesday April 22, 2020
Observation of vanishing charge dispersion of a nearly-open superconducting island
Arno Bargerbos et al.
https://arxiv.org/pdf/1911.10010.pdf
Discussion leader: Tumi Aluko

Wednesday April 15, 2020
Critical faults of leakage errors on the surface code
Natalie C. Brown, Andrew W. Cross, Kenneth R. Brown
https://arxiv.org/pdf/2003.05843.pdf
Discussion leader: Francesco

Wednesday April 1, 2020
A gate tunable field compatible fluxonium
Marta Pita-Vidal et al.
https://arxiv.org/pdf/1910.07978.pdf
Discussion leader: Thijs

Wednesday March 25, 2020
Suppression of Unwanted ZZ Interactions in a Hybrid Two-Qubit System
Jaseung Ku et al.
https://arxiv.org/pdf/2003.02775.pdf
Discussion leader: Ramiro

Wednesday March 18, 2020
Universal fast flux control of a coherent, low-frequency qubit
Helin Zhang et al.
https://arxiv.org/pdf/2002.10653.pdf
Discussion leader: Alessandro Ciani

*********** Virtual JC************

Wednesday March 11, 2020
Microwave attenuators for use with quantum devices below 100 mK
Jen-Hao Yeh et al.
https://aip.scitation.org/doi/abs/10.1063/1.4984894?journalCode=jap
Discussion leader: Matt Sarsby

Wednesday March 3, 2020
New material platform for superconducting transmon qubits with coherence times exceeding 0.3 milliseconds
Alex P.M. Place et al.
https://arxiv.org/pdf/2003.00024.pdf
Discussion leader: Alessandro Bruno

Wednesday February 19, 2020
Impact of ionizing radiation on superconducting qubit coherence
Antii P. Vepsalainen et al.
arXiv:200109190
Discussion leader: Barbara

Wednesday February 12, 2020
Breaking the trade-off between fast control and long lifetime of a superconducting qubit
Shingo Kono et al.
arXiv:2002.01635
Discussion leader: Nandini

Wednesday February 5, 2020
Solid-state qubits integrated with superconducting through-silicon vias
Donna-Ruth W. Yost et al.
arXiv:1912.10942
Discussion leader: Christos

Wednesday January 29, 2020
Rapid High-Fidelity Single-Shot Dispersive Readout of Superconducting Qubits
T. Walter et al.
PhysRevApplied.7.054020
Discussion leader: Jorge

Wednesday January 22, 2020
Topological and subsystem codes on low-degree graphs with flag qubits
Christopher Chamberland, Guanyu Zhu, Theodore J. Yoder, Jared B. Hertzberg, and Andrew W. Cross
https://arxiv.org/pdf/1907.09528.pdf
Discussion leader: Boris

Wednesday January 15^th 2020
A tunable coupler for suppressing adjacent superconducting qubit coupling
X. Li et al.
arXiv: 1912.10721
Discussion leader: Tumi

Wednesday January 8^th 2020
Repeated Quantum Error Detection in a Surface Code
Christian Kraglund Andersen et al.
arXiv:1912.09410
Discussion leader: Berend

Wednesday December 18^th 2019
Realisation of high-fidelity nonadiabatic CZ gates with superconducting qubits
Shaowei Li et al.
Npj Quantum Inf, 5(84), 2019
Discussion leader: Victor

Wednesday December 11^th 2019
Suppression of Qubit Crosstalk in a Tunable Coupling Superconducting Circuit
Pranav Mundada, Gengyan Zhang, Thomas Hazard and Andrew Houck
arXiv:1810.04182
Discussion leader: Hany

Wednesday November 27^th 2019
Experimental realization of an intrinsically error-protected superconducting qubit
Andras Gyenis et al.
arXiv: 1910.07542
Discussion leader: Leo

Wednesday November 20^th 2019
Bifluxon: Fluxon-Parity-Protected Superconducting Qubit
Konstantin Kalashnikov et al.
arXiv:1910.03769
Discussion leader: Alessandro Ciani

Wednesday November 13^th 2019
An overview of Languages and Software Frameworks for Quantum Computing
ProjectQ: An Open Source Software Framework for Quantum Computing

1. Damian S. Steiger, Thomas Häner, Matthias Troyer
   arXiv: 08091
2. Open Quantum Assembly Language
   Andrew W. Cross, Lev S. Bishop, John A. Smolin, Jay M. Gambetta
   arXiv: 03429
3. Q#: Enabling scalable quantum computing and development with a high-level domain-specific language

Svore et al.
arXiv: 1803.00652
Discussion leader: Miguel

Wednesday November 6^th 2019
Diabatic gates for frequency-tunable superconducting qubits
R. Barends et al.
arXiv:1907.02510
Discussion leader: Francesco

Wednesday October 30th 2019
Unfolding Quantum Computer readout noise
Benjamin Nachman, Miroslav Urbanek, Wibe A. de Jong, Christian W. Bauer
arXiv:1910.01969
Discussion leader: Xavi

Wednesday October 23th 2019
Quantum supremacy using a programmable superconducting processor
Frank Arute et al.
Nature 574, 505-510(2019)
Discussion leader: Ramiro

Wednesday October 16th 2019
Electric field spectroscopy of material defects in transmon qubits
Jurgen Lisenfeld et al.
arXiv:1909.09749
Discussion leader: Alessandro Bruno

Wednesday October 9th 2019
Crossover between electron-phonon and boundary resistance limited thermal relaxation in copper films
L. B. Wang, O.-P. Saira, D. S. Golubev & J. P. Pekola
arXiv:1903.10848
Discussion leader: Matt/Brian

Wednesday September 25th 2019
Detecting crosstalk errors in quantum information processing
Mohan Sarovar et al.
arXiv:1908.09855
Discussion leader: Slava

Wednesday September 18th 2019
Continuous monitoring of a trapped superconducting spin
M. Hays et al.
arXiv:1908.02800
Discussion leader: Thijs

Wednesday September 11th 2019
Exponential suppression of bit-flip errors in a qubit encoded in an oscillator
Raphael Lescanne et al.
arXiv:1902.10959
Discussion leader: Nandini

Wednesday June 17th 2019
Anomalous charge noise in superconducting qubits
B. G. Christensen et al.
arXiv:1905.13712
Discussion leader: Leo

Wednesday June 12th 2019
Deterministic entanglement swapping in a superconducting circuit
Wen Ning et al.
arXiv:1907.11729
Discussion leader: Niels

Wednesday June 5th 2019
Circuit quantum electrodynamics of granular aluminum resonators
N. Maleeva et al.
Nat.Comms.(2018) 9:3889
Discussion leader: Francesco

Wednesday May 22nd 2019
Calibration of the cross-resonance two-qubit gate between directly-coupled transmons
A. D. Patterson, J. Rahamim, T. Tsunoda, P. Spring, S. Jebari, K. Ratter, M. Mergenthaler, G. Tancredi, B. Vlastakis, M. Esposito, P. J. Leek
arXiv:1905.05670
Discussion leader: Adriaan

Wednesday May 15th 2019
Superconducting circuit protected by two-Cooper-pair tunneling
W. C. Smith, A. Kou, X. Xiao, U. Vool, M. H. Devoret
arXiv:1905.01206
Discussion leader: Xavi

Wednesday May 8th 2019
Pulsed Reset Protocol for Fixed-Frequency Superconducting Qubits
D.J. Egger, M. Werninghaus, M. Ganzhorn, G. Salis, A. Fuhrer, P. Müller, and S. Filipp
PhysRevApplied.10.044030
Discussion leader: Filip

Wednesday May 1st 2019
Simple Impedance Response Formulas for the Dispersive Interaction Rates in the Effective Hamiltonians of Low Anharmonicity Superconducting Qubits
Firat Solgun, David P. DiVincenzo, Jay M. Gambetta
IEEE Xplore:8633444
Discussion leader: Alessandro Ciani

Wednesday April 24th 2019
Direct Dispersive Monitoring of Charge Parity in Offset-Charge-Sensitive Transmons
K. Serniak, S. Diamond, M. Hays, V. Fatemi, S. Shankar, L. Frunzio, R. J. Schoelkopf, and M. H. Devoret
arXiv:1903.00113
Discussion leader: Alessandro Bruno

Wednesday April 17th 2019
Spin-Orbit Splitting of Andreev States Revealed by Microwave Spectroscopy
L. Tosi, C. Metzger, M. F. Goffman, C. Urbina, H. Pothier, Sunghun Park, A. Levy Yeyati, J. Nygård, and P. Krogstrup
PhysRevX.9.011010
Discussion leader: Thijs

Wednesday April 10th 2019
Flux-vector model of spin noise in superconducting circuits: Electron versus nuclear spins and role of phase transition
S. LaForest, Rogerio de Sousa
PhysRevB.92.054502
Discussion leader: Elmore

Wednesday April 3rd 2019
Handling leakage with subsystem codes
Natalie C. Brown, Michael Newman, Kenneth R. Brown
arXiv:1903.03937
Discussion leader: Slava

Wednesday January 16th 2019
Fast, High-Fidelity, Quantum Non-demolition Readout of a Superconducting Qubit
Using a Transverse Coupling
Bryan T. Gard, Kurt Jacobs, José Aumentado, Raymond W. Simmonds
arXiv:1809.02597
Discussion leader: Boris

Wednesday January 9th 2019
Experimental realization of a fast controlled-Z gate via a shortcut-to-adiabaticity
Tenghui Wang et al.
arXiv:1811.08096
Discussion leader: Francesco

Wednesday December 17th 2018
Repeated multi-qubit readout and feedback with a mixed-species trapped-ion register
V. Negnevitsky, M. Marinelli, K. K. Mehta , H.-Y. Lo , C. Flühmann & J. P. Home
Nature Volume 563, page 527–531 (2018)
Discussion leader: Leo

Wednesday December 5th 2018
Phase locking of a semiconductor double-quantum-dot single-atom maser
Y.-Y. Liu, T. R. Hartke, J. Stehlik, and J. R. Petta
Phys. Rev. Lett. 96, 053816
Discussion leader: Filip

Wednesday, November 28th 2018
X. Xue et al.
Benchmarking Gate Fidelities in a Si/SiGe Two-Qubit Device
arXiv:1811.04002
Discussion leader: Adriaan

Wednesday, November 21st 2018
S. E. de Graaf, A. A. Adamyan, T. Lindström, D. Erts, S. E. Kubatkin, A. Ya. Tzalenchuk, and A. V. Danilov
Direct Identification of Dilute Surface Spins on Al2O3: Origin of Flux Noise in Quantum Circuits
Phys. Rev. Lett. 118, 057703
Discussion leader: Florian

Wednesday, November 14th 2018
P. V . Klimov et al.
Fluctuations of Energy-Relaxation Times in Superconducting Qubits
Phys. Rev. Lett. 121, 090502
Discussion leader: Thijs

Wednesday, November 7th 2018
Abigail Shearrow et al.
Atomic layer deposition of titanium nitride for quantum circuits
arXiv:1808.06009
Discussion leader: Alessandro

Wednesday, October 31st 2018
Gengyan Zhang, Pranav S. Mundada, Andrew A. Houck
Suppression of Qubit Crosstalk in a Tunable Coupling Superconducting Circuit
arXiv:1810.04182
Discussion leader: Niels

Wednesday, October 24th 2018
1. Jen-Hao Yeh, Jay LeFebvre, Shavindra Premaratne, F. C. Wellstood and B. S. Palmer
Microwave attenuators for use with quantum devices below 100 mK
J. Appl. Phys. 121, 224501 (2017)
2. Jen-Hao Yeh, Rui Zhang, Shavindra Premaratne, Jay LeFebvre, F. C. Wellstood, and B. S. Palmer
Hot electron heatsinks for microwave attenuators below 100 mK
arXiv:1810.07722
Discussion leader: Nandini

Wednesday, October 10th 2018
S. Touzard, A. Kou, N.E. Frattini, V.V. Sivak, S. Puri, A. Grimm, L. Frunzio, S. Shankar, and M.H. Devoret
Gated conditional displacement readout of superconducting qubits
arXiv:1809.06964
Discussion leader: Leo

Wednesday, October 3rd 2018
M. Ganzhorn et al.
Gate-efficient simulation of molecular eigenstates on a quantum computer
arXiv:1809.05057
Discussion leader: Ramiro

Wednesday, September 19th 2018
Jianwei Wang et al.
Experimental quantum Hamiltonian learning
Nature Physics 13.6 (2017): 551
Discussion leader: Filip

Wednesday, September 12th 2018
B. Foxen et al.
High speed flux sampling for tunable superconducting qubits with an embedded cryogenic transducer
arXiv:1808.09612
Discussion leader: Adriaan

Wednesday, September 5th 2018
X. Fu et al.
eQASM: An Executable Quantum Instruction Set Architecture
arXiv:1808.02449
Discussion leader: Xiang

Wednesday, August 29th 2018
H. Kurokawa, F. Nabeshima, and A. Maeda
Current and Magnetic Field Dependences of a Superconducting Coplanar Waveguide Resonators
arXiv:1805.05131
Discussion leader: Thijs

Wednesday, August 22nd 2018
Shibo Shu et al.
Increased multiplexing of superconducting microresonator arrays by post-characterization adaptation of the on-chip capacitors
arXiv:1808.03779
Discussion leader: Nandini

Wednesday, August 15th 2018
Yiwen Chu, Prashanta Kharel, Taekwan Yoon, Luigi Frunzio, Peter T. Rakich, Robert J. Schoelkopf
Climbing the phonon Fock state ladder
arXiv:1804.07426
Discussion leader: Florian

Wednesday, August 8th 2018
X. Bonet-Monroig, R. Sagastizabal, M. Singh, and T.E. O’Brien
Low-cost error mitigation by symmetry verification
arXiv:1807.10050
Discussion leader: Xavi

Wednesday, August 1st 2018
Z. Wang, S. Shankar, Z. K. Minev, P. Campagne-Ibarcq, A. Narla, and M. H. Devoret
Cavity Attenuators for Superconducting Qubits
arXiv:1807.04849
Discussion leader: Niels

Wednesday, July 25th 2018
S. Krinner, S. Storz, P. Kurpiers, P. Magnard, J. Heinsoo, R. Keller, J. Lutolf, C. Eichler, A. Wallraf
Engineering cryogenic setups for 100-qubit scale superconducting circuit systems
arXiv:1806.07862
Discussion leader: Alessandro

Wednesday, July 18th 2018
Ali JavadiAbhari, Shruti Patil, Daniel Kudrow, Jeff Heckey, Alexey Lvov, Frederic T. Chong and Margaret Martonosi
ScaffCC: Scalable Compilation and Analysis of Quantum Programs
arXiv:1507.01902
Discussion leader: Xiang

Wednesday, July 11th 2018
Edward Leonard Jr. et al.
Digital coherent control of a superconducting qubit
arXiv:1806.07930

Wednesday, June 27th 2018
C. M. Wilson, J. S. Otterbach, N. Tezak, R. S. Smith, G. E. Crooks, and M. P. da Silva
Quantum Kitchen Sinks: An algorithm for machine learning on near-term quantum computers
arXiv:1806.08321
Discussion leader: Ramiro

Wednesday, June 20th 2018
Fei Yan et al.
A tunable coupling scheme for implementing high-fidelity two-qubit gates
arXiv:1803.09813
Discussion leader: Rene

Wednesday, June 13th 2018
David P. Franke, James S. Clarke, Lieven M.K. Vandersypen and Menno Veldhorst
Rent’s rule and extensibility in quantum computing
arXiv:1806.02145
Discussion leader: Adriaan

Wednesday, May 30th 2018
L.Hu et al.
Demonstration of quantum error correction and universal gate set on a binomial bosonic logical qubit
arXiv:1805.09072
Discussion leader: Joep

Wednesday, May 23rd 2018
R. Cosmic et al.
Circuit QED-based measurement of vortex lattice order in a Josephson junction array
arXiv:1803.04113
Discussion leader: Nandini

Wednesday, May 16th 2018
K.J. Satzinger et al.
Quantum control of acoustic wave phonons
arXiv:1804.07308
Discussion leader: Florian

Wednesday, May 9th 2018
Baptiste Royer, Shruti Puri, and Alexandre Blais
Qubit Parity Measurement by Parametric Driving in Circuit QED
arXiv:1802.10112
Discussion leader: Brian

Wednesday, May 2nd 2018
P. Magnard et al.
Fast and Unconditional All-Microwave Reset of a Superconducting Qubit
arXiv:1801.07689
Discussion leader: Niels

Wednesday, April 25th 2018
Mathieu Pierre, Sankar Raman Sathyamoorthy, Ida-Maria Svensson, Goran Johansson, and Per Delsing
Resonant and off-resonant microwave signal manipulations in coupled superconducting resonators
arXiv:1802.09034
Discussion leader: Alessandro

Wednesday, April 11th 2018
Krysta M. Svore et al.
Q#: Enabling scalable quantum computing and development with a high-level domain-specific language
arXiv:1803.00652
Discussion leader: Xiang Fu

Wednesday, April 4th 2018
K. Serniak, M. Hays, G. de Lange, S. Diamond, S. Shankar, L. D. Burkhart, L. Frunzio, M. Houzet, M. H. Devoret
Hot non-equilibrium quasiparticles in transmon qubits
arXiv:1803.00476
Discussion leader: Leo DiCarlo

Wednesday, March 28th 2018
Christopher J. Wood and Jay M. Gambetta
Quantification and characterization of leakage errors
Wood, C. J. & Gambetta, J. M. Quantification and characterization of leakage errors. Phys. Rev. A 97, 032306 (2018)
Discussion leader: Adriaan Rol

Wednesday, March 21st 2018
Matthew Ware, Guilhem Ribeill, Diego Riste (Raytheon BBN Technologies), Colm A. Ryan, Blake Johnson, Marcus P. da Silva (Rigetti Computing)
Experimental demonstration of Pauli-frame randomization on a superconducting qubit
arXiv:1803.01818
Discussion leader: Ramiro Sagastizabal

Wednesday, March 14th 2018
Zhenyi Qi, Hong-Yi Xie, Javad Shabani, Vladimir E. Manucharyan, Alex Levchenko and Maxim G. Vavilov
Controlled–Z gate for transmon qubits coupled by semiconductor junctions
arXiv:1801.04291
Discussion leader: Joep Assendelft

Wednesday, February 28th 2018
S. E. de Graaf , L. Faoro , J. Burnett, A. A. Adamyan, A. Ya. Tzalenchuk , S. E. Kubatkin , T. Lindstrom , A. V. Danilov
Suppression of 1/f noise in solid state quantum devices by surface spin desorption
arXiv:1705.09158
Discussion leader: Thijs Stavenga

Wednesday, February 21st 2018
L. Casparis et al.
Voltage-Controlled Superconducting Quantum Bus
arXiv:1802.01327
Discussion leader: Marc Beekman

Wednesday, February 14th 2018
Lukas Grünhaupt et al.
Quasiparticle dynamics in granular aluminum close to the superconductor to insulator transition
arXiv:1802.01858
Discussion leader: Nandini Muthusubramanian

Wednesday, February 7th 2018
Johannes Heinsoo et al.
Rapid high-fidelity multiplexed readout of superconducting qubits
arXiv:1801.07904
Discussion leader: Brian Tarasinski

Wednesday, January 31st 2018
Hays, G. de Lange, K. Serniak, D. J. van Woerkom, D. Bouman, P. Krogstrup, J. Nygard, A. Geresdi, and M. H. Devoret
Direct microwave measurement of Andreev-bound-state dynamics in a proximitized semiconducting nanowire
arXiv:1711.01645
Discussion leader: Florian Luthi

Wednesday, January 10th 2018
Fei Yan et al.
Distinguishing coherent and thermal photon noise in a circuit QED system,
arXiv:1801.00467
Discussion leader: Niels Bultink

Wednesday, January 17th 2018
Y. Masuyama, K. Funo, Y. Murashita, A. Noguchi, S. Kono, Y. Tabuchi, R. Yamazaki, M. Ueda, Y. Nakamura
Information-to-work conversion by Maxwell’s demon in a superconducting circuit-QED system,
arXiv:1709.00548
Discussion leader: Rene Vollmer

Wednesday, December 13th 2017
Shusen Liu, Xin Wang, Li Zhou, Ji Guan, Yinan Li, Yang He, Runyao Duan, and Mingsheng Ying
Q∣SI⟩: A Quantum Programming Environment,
arXiv:1710.09500
Discussion leader: Xiang

Wednesday, December 6th 2017
Casparis et al.
Superconducting Gatemon Qubit based on a Proximitized Two-Dimensional Electron Gas,
arXiv:1711.07665
Discussion leader: Leo

Wednesday, November 22nd 2017
S. Kono , K. Koshino , Y. Tabuchi , A. Noguchi , and Y. Nakamura
Quantum non-demolition detection of an itinerant microwave photon,
arXiv:1711.05479
Discussion leader: Christian

Wednesday, November 15th 2017
Moll et al.
Quantum optimization using variational algorithms on near-term quantum devices
arXiv:1710.01022
Discussion leader: Adriaan

Wednesday, November 1st 2017
Anton Potočnik et al.
Studying Light-Harvesting Models with Superconducting Circuits,
arXiv:1710.07466
Wednesday, October 25th 2017
Nathan Earnest, Srivatsan Chakram, Yao Lu, Nicholas Irons, Ravi K. Naik, Nelson Leung, Jay Lawrence, Jens Koch, David I. Schuster
Realization of a Λ system with metastable states of a capacitively-shunted fluxonium,
arXiv:1707.00656
Discussion leader: Thijs

Wednesday, October 18th 2017
P. Roushan et al.
Spectral signatures of many-body localization with interacting photons
arXiv:1709.07108
Discussion leader: Nandini

Wednesday, October 11th 2017
G. Calusine, A. Melville, W. Woods, R. Das, C. Stull, V. Bolkhovsky, D. Braje, D. Hover, D.K. Kim, X. Miloshi, D. Rosenberg, A. Sevi, J.L. Yoder, E.A. Dauler, W.D. Oliver
Analysis and mitigation of interface losses in trenched superconducting coplanar waveguide resonators,
arXiv:1709.10015
Discussion leader: Dave

Wednesday, October 4th 2017
Neill et al.
A blueprint for demonstrating quantum supremacy with superconducting qubits,
arXiv:1709.06678
Discussion leader: Brian

Wednesday, September 27th 2017
Nicholas T. Bronn, Vivekananda P. Adiga, Salvatore B. Olivadese, Xian Wu, Jerry M. Chow, David P. Pappas
High Coherence Plane Breaking Packaging for Superconducting Qubits,
arXiv:1709.02402
Discussion leader: Florian

Wednesday, September 20th 2017
Thorbeck, T., Zhu, S., Leonard Jr, E., Barends, R., Kelly, J., Martinis, J. M., & McDermott, R.
Reverse isolation and backaction of the SLUG microwave amplifier,
arXiv:1705.01687
Discussion leader: Niels

Wednesday, September 13th 2017
Colless J.I., et al.
Robust determination of molecular spectra on a quantum processor,
arXiv:1707.06408
Discussion leader: Malay

Wednesday, September 6th 2017
T Häner, DS Steiger, M Smelyanskiy, M Troyer
High performance emulation of quantum circuits,
arXiv:1604.06460
Discussion leader: Xiang

Wednesday, August 23rd 2017
Foxen B., et al.
Qubit compatible superconducting interconnects,
arXiv:1708.04270
Discussion leader: Alessandro

Wednesday, August 16th 2017
Andrew Eddins, Sydney Schreppler, David M. Toyli, Leigh S. Martin, Shay Hacohen-Gourgy, Luke C. G. Govia, Hugo Ribeiro, Aashish A. Clerk, Irfan Siddiqi.
Stroboscopic qubit measurement with squeezed illumination,
arXiv:1708.01674
Discussion leader: Jaap

Wednesday, August 9th 2017
Samuel Boutin, David M. Toyli, Aditya V. Venkatramani, Andrew W. Eddins, Irfan Siddiqi and Alexandre Blais.
Effect of higher-order nonlinearities on amplification and squeezing in Josephson parametric amplifiers,
arXiv:1708.00020
Discussion leader: Leo D.C.

Wednesday, July 26th 2017
Hacohen-Gourgy, Shay, Luis Pedro García-Pintos, Leigh S. Martin, Justin Dressel, & Irfan Siddiqi.
Incoherent qubit control using the quantum Zeno effect,
arXiv:1706.08577
Discussion leader: Livio.

Wednesday, July 19th 2017
Reagor, M., et al.
Demonstration of Universal Parametric Entangling Gates on a Multi-Qubit Lattice,
arXiv:1706.06570.
.. and..
Caldwell, S., et al.
Parametrically-Activated Entangling Gates Using Transmon Qubits,
arXiv:1706.06562.
Discussion leader: Ramiro.

Wednesday, July 12th 2017
Jerger, Markus, Zénon Vasseli, and Arkady Fedorov
In situ characterization of qubit control lines: A qubit as a vector network analyzer,
arXiv:1706.05829.
Discussion leader: Adriaan.

Wednesday, July 5th 2017
D. Rosenberg, D. Kim, R. Das, D. Yost, S. Gustavsson, D. Hover, P. Krantz, A. Melville, L. Racz, G. O. Samach, S. J. Weber, F. Yan, J. Yoder, A. J. Kerman, W. D. Oliver
3D integrated superconducting qubits,
arXiv:1706.04116.
Discussion leader: Stefano.

Wednesday, June 28th 2017
Yen-Hsiang Lin, Long B. Nguyen, Nicholas Grabon, Jonathan San Miguel, Natalya Pankratova, Vladimir E. Manucharyan
Protecting a superconducting qubit from energy decay by selection rule engineering,
arXiv:1705.07873.
Discussion leader: Oscar.

Wednesday, June 21st 2017
X. Wu, J. L. Long, H. S. Ku, R. E. Lake, M. Bal, D. P. Pappas
Overlap junctions for high coherence superconducting qubits ,
arXiv:1705.08993.
… and …
A. Dunsworth, A. Megrant, C. Quintana, Zijun Chen, R. Barends, B. Burkett, B. Foxen, Yu Chen, B. Chiaro, A. Fowler, R. Graff, E. Jeffrey, J. Kelly, E. Lucero, J.Y. Mutus, M. Neeley, C. Neill, P. Roushan, D. Sank, A. Vainsencher, J. Wenner, T.C. White, John M. Martinis
Characterization and Reduction of Capacitive Loss Induced by Sub-Micron Josephson Junction Fabrication in Superconducting Qubits ,
arXiv:1706.00879.
Discussion leader: Dave.

Wednesday, June 14th 2017
David J. van Woerkom, Alex Proutski, Bernard van Heck, Daniël Bouman, Jukka I. Väyrynen, Leonid I. Glazman, Peter Krogstrup, Jesper Nygård, Leo P. Kouwenhoven & Attila Geresdi
Microwave spectroscopy of spinful Andreev bound states in ballistic semiconductor Josephson junctions,
Nature Physics, 2017.
Discussion leader: Florian.

Wednesday, June 7th 2017
Emmanuel Flurin, Vinay V. Ramasesh, Shay Hacohen-Gourgy, Leigh S. Martin, Norman Y. Yao, Irfan Siddiqi
Observing Topological Invariants Using Quantum Walk in Superconducting Circuits,
arXiv:1610.03069.
Discussion leader: Brian.

Wednesday, May 31st 2017
Maika Takita, Andrew W. Cross, A. D. Córcoles, Jerry M. Chow, Jay M. Gambetta
Experimental demonstration of fault-tolerant state preparation with superconducting qubits,
arXiv:1705.09259.
Discussion leader: Niels.

Wednesday, May 24th 2017
Abhinav Kandala, Antonio Mezzacapo, Kristan Temme, Maika Takita, Jerry M. Chow, Jay M. Gambetta
Hardware-efficient Quantum Optimizer for Small Molecules and Quantum Magnets,
arXiv:1704.05018.
Discussion leader: Malay.

Wednesday, May 17th 2017
Chao Song, Kai Xu, Wuxin Liu, Chuiping Yang, Shi-Biao Zheng, Hui Deng, Qiwei Xie, Keqiang Huang, Qiujiang Guo, Libo Zhang, Pengfei Zhang, Da Xu, Dongning Zheng, Xiaobo Zhu, H. Wang, Y.-A. Chen, C.-Y. Lu, Siyuan Han, J.-W. Pan
10-qubit entanglement and parallel logic operations with a superconducting circuit,
arXiv:1703.10302.
Discussion leader: Nathan.

Wednesday, May 10th 2017
Colm A. Ryan, Blake R. Johnson, Diego Ristè, Brian Donovan, Thomas A. Ohki
Hardware for Dynamic Quantum Computing,
arXiv:1704.08314.
Discussion leader: Xiang.

Wednesday, May 3rd 2017
M. D. Hutchings, Jared B. Hertzberg, Yebin Liu, Nicholas T. Bronn, George A. Keefe, Jerry M. Chow, B. L. T. Plourde
Tunable Superconducting Qubits with Flux-Independent Coherence,
arXiv:1702.02253.
Discussion leader: Ale.

Wednesday, April 19th 2017
Young-Wan Kim, Kang-Ho Lee, Kicheon Kang
Vacuum-fluctuation-induced Dephasing of a Qubit in Circuit Quantum Electrodynamics,
arXiv:1401.2729.
Discussion leader: Jaap.

Wednesday, April 12th 2017
Matthew T. Bell, Joshua Paramanandam, Lev B. Ioffe, and Michael E. Gershenson
Protected Josephson Rhombus Chains,
Phys. Rev. Lett. 112, 167001 (2014).
Discussion leader: Leo.

Thursday, April 6th 2017
J. Zhang, P. W. Hess, A. Kyprianidis, P. Becker, A. Lee, J. Smith, G. Pagano, I.-D. Potirniche, A. C. Potter, A. Vishwanath, N. Y. Yao, C. Monroe
Observation of a Discrete Time Crystal,
arXiv:1609.08684.
Discussion leader: Chris.

Wednesday, March 29th 2017
N. Cottet, S. Jezouin, L. Bretheau, P. Campagne-Ibarcq, Q. Ficheux, J. Anders, A. Auffèves, R. Azouit, P. Rouchon, and B. Huard
Observing a quantum Maxwell demon at work,
arXiv:1702.05161.
Discussion leader: Ramiro.

Wednesday, February 15th 2017
Steven J. Weber, Gabriel O. Samach, David Hover, Simon Gustavsson, David K. Kim, Danna Rosenberg, Adam P. Sears, Fei Yan, Jonilyn L. Yoder, William D. Oliver, Andrew J. Kerman
Coherent coupled qubits for quantum annealing,
arXiv:1701.06544.
Discussion leader: Marios.

Wednesday, February 8th 2017
Jochen Braumüller, Michael Marthaler, Andre Schneider, Alexander Stehli, Hannes Rotzinger, Martin Weides, Alexey V. Ustinov
Analog quantum simulation of the Rabi model in the ultra-strong coupling regime,
arXiv:1611.08404.
Discussion leader: Nathan.

Wednesday, February 1st 2017
T. Walter, P. Kurpiers, S. Gasparinetti, P. Magnard, A. Potocnik, Y. Salathe, M. Pechal, M. Mondal, M. Oppliger, C. Eichler, A. Wallraff
Realizing Rapid, High-Fidelity, Single-Shot Dispersive Readout of Superconducting Qubits,
arXiv:1701.06933.
Discussion leader: Stefano.

Wednesday, January 25th 2017
U. Patel, Ivan V. Pechenezhskiy, B. L. T. Plourde, M. G. Vavilov, R. McDermott
Phonon-Mediated Quasiparticle Poisoning of Superconducting Microwave Resonators,
arXiv:1610.09351.
Discussion leader: Dave.

Wednesday, January 11th 2017
Simon Gustavsson, Fei Yan, Gianluigi Catelani, Jonas Bylander, Archana Kamal, Jeffrey Birenbaum, David Hover, Danna Rosenberg, Gabriel Samach, Adam P. Sears, Steven J. Weber, Jonilyn L. Yoder, John Clarke, Andrew J. Kerman, Fumiki Yoshihara, Yasunobu Nakamura, Terry P. Orlando, William D. Oliver
Suppressing relaxation in superconducting qubits by quasiparticle pumping,
arXiv:1612.08462.
Discussion leader: Florian.

Wednesday, December 21st 2016
Samuel Boutin, Christian Kraglund Andersen, Jayameenakshi Venkatraman, Andrew J. Ferris, Alexandre Blais
Resonator reset in circuit QED by optimal control for large open quantum systems,
arXiv:1609.03170.
Discussion leader: Niels.

Wednesday, December 14th 2016
David C. McKay, Christopher J. Wood, Sarah Sheldon, Jerry M. Chow, Jay M. Gambetta
Efficient Z-Gates for Quantum Computing,
arXiv:1612.00858.
Discussion leader: Adriaan.

Wednesday, December 7th 2016
Discussion on OpenCL:
John E. Stone, David Gohara, and Guochun Shi
OpenCL: A Parallel Programming Standard for Heterogeneous Computing Systems,
Comput Sci Eng. 12(3), 66–72 (2010).
&
Aaftab Munshi
The OpenCL specification,
IEEE Hot Chips 21 Symposium (2009).
Discussion leader: Xiang.

Wednesday, December 1st 2016
Robert S. Smith, Michael J. Curtis, William J. Zeng
A Practical Quantum Instruction Set Architecture,
arXiv:1608.03355.
Discussion leader: Wouter.

Wednesday, November 23rd 2016
John M. Martinis, S. Nam, J. Aumentado, K. M. Lang, and C. Urbina
Decoherence of a superconducting qubit due to bias noise,
Phys. Rev. B 67, 094510 (2003).
Discussion leader: Leo.

Wednesday, November 16th 2016
Johan C.J.G. Withagen, A.J. Annema, B. Nauta, F.E. van Vliet
An 8-10 GHz Upconversion Mixer, with a Low-Frequency Calibration Loop resulting in better than -73dBc In-Band Spurs,
IEEE Radio Frequency Integrated Circuits Symposium (2016).
Discussion leader: Duije.

Wednesday, November 9th 2016
Tanay Roy, Suman Kundu, Madhavi Chand, Sumeru Hazra, N. Nehra, R. Cosmic, A. Ranadive, Meghan P. Patankar, Kedar Damle, R. Vijay
Implementation of pairwise longitudinal coupling in a three-qubit superconducting circuit,
arXiv:1610.07915.
Discussion leader: Ramiro.

Wednesday, November 2nd 2016
F. Chiodi, J.-E. Duvauchelle, C. Marcenat, D. Débarre, F. Lefloch
All silicon Josephson junctions,
arXiv:1610.08453.
Discussion leader: Ale.

Wednesday, October 19th 2016
David C. McKay, Stefan Filipp, Antonio Mezzacapo, Easwar Magesan, Jerry M. Chow, Jay M. Gambetta
A universal gate for fixed-frequency qubits via a tunable bus,
arXiv:1604.03076.
Discussion leader: Marios.

Wednesday, October 12 2016
B Chiaro, A Megrant, A Dunsworth, Z Chen, R Barends, B Campbell, Y Chen, A Fowler, I C Hoi, E Jeffrey
Dielectric surface loss in superconducting resonators with flux-trapping holes,
Sci. Technol. 29, 104006 (2016).
&
J Burnett, L Faoro and T Lindström
Analysis of high quality superconducting resonators: consequences for TLS properties in amorphous oxides,
Sci. Technol. 29, 044008 (2016).
Discussion leader: Dave.

Wednesday, October 5 2016
Benjamin J. Chapman, Bradley A. Moores, Eric I. Rosenthal, Joseph Kerckhoff, K. W. Lehnert
General purpose multiplexing device for cryogenic microwave systems,
Appl. Phys. Lett. 108, 222602 (2016).
Discussion leader: Stefano.

Wednesday, September 28 2016
Shay Hacohen-Gourgy, Leigh S. Martin, Emmanuel Flurin, Vinay V. Ramasesh, K. Birgitta Whaley, Irfan Siddiqi
Dynamics of simultaneously measured non-commuting observables,
arXiv:1608.06652
Discussion leader: Chris.

Wednesday, September 21 2016
C. M. Quintana, Yu Chen, D. Sank, A. G. Petukhov, T. C. White, Dvir Kafri, B. Chiaro, A. Megrant, R. Barends, B. Campbell, Z. Chen, A. Dunsworth, A. G. Fowler, R. Graff, E. Jeffrey, J. Kelly, E. Lucero, J. Y. Mutus, M. Neeley, C. Neill, P. J. J. O’Malley, P. Roushan, A. Shabani, V. N. Smelyanskiy, A. Vainsencher, J. Wenner, H. Neven, John M. Martinis
Observation of classical-quantum crossover of 1/f flux noise and its paramagnetic temperature dependence,
arXiv:1608.08752
Discussion leader: Florian.

Wednesday, September 14 2016
A. A. Adamyan, S. E. de Graaf, S. E. Kubatkin and A. V. Danilov
Superconducting microwave parametric amplifier based on a quasi-fractal slow propagation line,
J. Appl. Phys. 119, 083901 (2016).
Discussion leader: Tom.

Wednesday, September 7 2016
Daniel Sank, Zijun Chen, Mostafa Khezri, J. Kelly, R. Barends, Y. Chen, A. Fowler, E. Jeffrey, E. Lucero, A. Megrant, J. Mutus, M. Neeley, P. Roushan, A. Vainsencher, T. White, B. Campbell, B. Chiaro, A. Dunsworth, C. Neill, P. J. J. O’Malley, C. Quintana, J. Wenner, Alexander N. Korotkov, John M. Martinis
Measurement-induced state transitions in a superconducting qubit: Beyond the rotating wave approximation,
arXiv:1606.05721.
Discussion leader: Niels.

Wednesday, August 31 2016
James R. Wootton, Janos R. Winkler, Daniel Loss
Noise thresholds for minimal surface code experiments,
arXiv:1608.05053.
Discussion leader: Adriaan.

Wednesday, August 24 2016
S. Debnath, N. M. Linke, C. Figgatt, K. A. Landsman, K. Wright & C. Monroe
Demonstration of a small programmable quantum computer with atomic qubits,
Nature 536, 63 (2016).
Discussion leader: Xiang.

Wednesday, August 10 2016
Kristinn Juliusson, Simon Bernon, Xin Zhou, Vivien Schmitt, Hélène le Sueur, Patrice Bertet, Denis Vion, Mazyar Mirahimi, Pierre Rouchon, Daniel Esteve
Manipulating Fock states of a harmonic oscillator while preserving its linearity,
arXiv:1607.05204
Discussion leader: Nathan.

Wednesday, August 3 2016
J.H. Béjanin, T.G. McConkey, J.R. Rinehart, C.T. Earnest, C.R.H. McRae, D. Shiri, J.D. Bateman, Y. Rohanizadegan, B. Penava, P. Breul, S. Royak, M. Zapatka, A.G. Fowler, M. Mariantoni
The Quantum Socket: Three-Dimensional Wiring for Extensible Quantum Computing,
arXiv:1606.00063
Discussion leader: Wouter.

Wednesday, July 27 2016
J. Z. Blumoff, K. Chou, C. Shen, M. Reagor, C. Axline, R.T. Brierley, M. P. Silveri, C. Wang, B. Vlastakis, S. E. Nigg, L. Frunzio, M. H. Devoret, L. Jiang, S. M. Girvin, R. J. Schoelkopf
Implementing and characterizing precise multi-qubit measurements,
arXiv:1606.00817
Discussion leader: Chris.

Wednesday, July 20 2016
P. Kumar, S. Sendelbach, M. A. Beck, J. W. Freeland, Zhe Wang, Hui Wang, C. C. Yu, R. Q. Wu, D. P. Pappas, R. McDermott
Origin and Suppression of 1/f Magnetic Flux Noise,
arXiv:1604.00877
Discussion leader: Ale.

Wednesday, July 13 2016
R.-P. Riwar, A. Hosseinkhani, L. D. Burkhart, Y. Y. Gao, R. J. Schoelkopf, L. I. Glazman, G. Catelani
Normal-metal quasiparticle traps for superconducting qubits,
arXiv:1606.04591
Discussion leader: Thijs.

Wednesday, July 06 2016
M. Pechal, J.-C. Besse, M. Mondal, M. Oppliger, S. Gasparinetti, A. Wallraff
Superconducting switch for fast on-chip routing of quantum microwave fields,
arXiv:1606.01031
Discussion leader: Ramiro.

Wednesday, June 29 2016
P. Roushan, C. Neill, A. Megrant, Y. Chen, R. Babbush, R. Barends, B. Campbell, Z. Chen, B. Chiaro, A. Dunsworth, A. Fowler, E. Jeffrey, J. Kelly, E. Lucero, J. Mutus, P. J.J. O’Malley, M. Neeley, C. Quintana, D. Sank, A. Vainsencher, J. Wenner, T. White, E. Kapit, H. Neven, J. Martinis
Chiral groundstate currents of interacting photons in a synthetic magnetic field,
arXiv:1606.00077v2
Discussion leader: Marios.

Wednesday, June 22 2016
Y. Chu, C. Axline, C. Wang, T. Brecht, Y. Y. Gao, L. Frunzio, R.J. Schoelkopf
Suspending superconducting qubits by silicon micromachining,
arXiv:1606.02822
Discussion leader: Dave.

Wednesday, June 15 2016
Maika Takita, A. D. Córcoles, Easwar Magesan, Baleegh Abdo, Markus Brink, Andrew Cross, Jerry M. Chow, Jay M. Gambetta
Demonstration of weight-four parity measurements in the surface code architecture,
arXiv:1605.01351
Discussion leader: Stefano.

Wednesday, June 8 2016
Special topic journal club: “Calibration of Vector Network Analyzers”.
Discussion leader: Duije.

Wednesday, June 1 2016
C. Janvier, L. Tosi, L. Bretheau, Ç. Ö. Girit, M. Stern, P. Bertet, P. Joyez, D. Vion, D. Esteve, M. F. Goffman, H. Pothier, C. Urbina
Coherent manipulation of Andreev states in superconducting atomic contacts,
Science 349, 1199 (2015).
Discussion leader: Florian.

Wednesday, May 25 2016
Vittorio Peano, Martin Houde, Florian Marquardt, Aashish A. Clerk
Topological quantum fluctuations and travelling wave amplifiers,
arXiv:1604.04179
Discussion leader: Tom.

Wednesday, May 18 2016
H. Ball, W. D. Oliver, M. J. Biercuk
Upper-bounds on qubit coherence set by master clock instabilities,
arXiv:1602.04551
Discussion leader: Niels.

Wednesday, May 11 2016
Thomas Häner, Damian S. Steiger, Krysta Svore, Matthias Troyer
A Software Methodology for Compiling Quantum Programs,
arXiv:1604.01401v1
Discussion leader: Xiang.

Wednesday, May 4 2016
Robin Blume-Kohout, John King Gamble, Erik Nielsen, Jonathan Mizrahi, Jonathan D. Sterk, Peter Maunz
Robust, self-consistent, closed-form tomography of quantum logic gates on a trapped ion qubit,
arXiv:1310.4492
Discussion leader: Adriaan.

Wednesday, Apr 13 2016
A. Narla, S. Shankar, M. Hatridge, Z. Leghtas, K. M. Sliwa, E. Zalys-Geller, S. O. Mundhada, W. Pfaff, L. Frunzio, R. J. Schoelkopf, M. H. Devoret
Robust concurrent remote entanglement between two superconducting qubits,
arXiv:1603.03742
Discussion leader: Leo.

Wednesday, Mar 30 2016
P. J. J. O’Malley, R. Babbush, I. D. Kivlichan, J. Romero, J. R. McClean, R. Barends, J. Kelly, P. Roushan, A. Tranter, N. Ding, B. Campbell, Y. Chen, Z. Chen, B. Chiaro, A. Dunsworth, A. G. Fowler, E. Jeffrey, A. Megrant, J. Y. Mutus, C. Neill, C. Quintana, D. Sank, A. Vainsencher, J. Wenner, T. C. White, P. V. Coveney, P. J. Love, H. Neven, A. Aspuru-Guzik, J. M. Martinis
Scalable Quantum Simulation of Molecular Energies,
arXiv:1512.06860
Discussion leader: Nathan.

Wednesday, Mar 23 2016
J. Kelly, R. Barends, A. G. Fowler, A. Megrant, E. Jeffrey, T. C. White, D. Sank, J. Y. Mutus, B. Campbell, Yu Chen, Z. Chen, B. Chiaro, A. Dunsworth, E. Lucero, M. Neeley, C. Neill, P. J. J. O’Malley, C. Quintana, P. Roushan, A. Vainsencher, J. Wenner, John M. Martinis
Scalable in-situ qubit calibration during repetitive error detection,
arXiv:1603.03082
Discussion leader: Wouter.

Wednesday, Mar 9 2016
Kunihiro Inomata, Zhirong Lin, Kazuki Koshino, William D. Oliver, Jaw-Shen Tsai, Tsuyoshi Yamamoto, Yasunobu Nakamura
Single microwave-photon detector using an artificial Λ-type three-level system,
arXiv:1601.05513
Discussion leader: Chris.

Wednesday, Feb 24 2016
M. E. Schwartz, L. Martin, E. Flurin, C. Aron, M. Kulkarni, H. E. Tureci, I. Siddiqi
Stabilizing entanglement via symmetry-selective bath engineering in superconducting qubits,
arXiv:1511.00702v1
Discussion leader: Sarwan.

Wednesday, Feb 17 2016
L. Casparis, T. W. Larsen, M. S. Olsen, F. Kuemmeth, P. Krogstrup, J. Nygård, K. D. Petersson, C. M. Marcus
Gatemon Benchmarking and Two-Qubit Operation,
arXiv:1512.09195
Discussion leader: Thijs.

Wednesday, Feb 10 2016
P. Forn-Díaz, J. J. García-Ripoll, B. Peropadre, M. A. Yurtalan, J.-L. Orgiazzi, R. Belyansky, C. M. Wilson, A. Lupascu
Ultrastrong coupling of a single artificial atom to an electromagnetic continuum,
arXiv:1602.00416
&
Fumiki Yoshihara, Tomoko Fuse, Sahel Ashhab, Kosuke Kakuyanagi, Shiro Saito, Kouichi Semba
Superconducting qubit-oscillator circuit beyond the ultrastrong-coupling regime,
arXiv:1602.00415.
Discussion leader: Marios.

Wednesday, Feb 3 2016
John M. Martinis, Michael R. Geller
Fast adiabatic qubit gates using only σz control,
Phys. Rev. A 90, 022307 (2014).
Discussion leader: Ramiro.

Wednesday, Jan 13 2016
C. Wang, C. Axline, Y. Y. Gao, T. Brecht, Y. Chu, L. Frunzio, M. H. Devoret, and R. J. Schoelkopf
Surface participation and dielectric loss in superconducting qubits,
Appl. Phys. Lett. 107, 162601 (2015).
Discussion leader: Stefano.

Wednesday, Jan 6 2016
Special topic journal club on PCB design and fabrication.
Discussion leader: Duije.

Wednesday, Dec 16 2015
Lara Faoro and Lev B. Ioffe
Microscopic Origin of Low-Frequency Flux Noise in Josephson Circuits,
Phys. Rev. Lett. 100, 227005 (2008).
Discussion leader: Florian.

Wednesday, Dec 09 2015
J. J. Viennot, M. C. Dartiailh, A. Cottet, T. Kontos
Coherent coupling of a single spin to microwave cavity photons,
Science 349, 408 (2015).
Discussion leader: Nodar.

Wednesday, Dec 02 2015
Michael R. Vissers, Robert P. Erickson, Hsiang-Sheng Ku, Leila Vale, Xian Wu, Gene Hilton, David P. Pappas
Low-noise kinetic inductance traveling-wave amplifier using three-wave mixing,
arXiv:1509.09280.
Discussion leader: Tom.

Wednesday, November 25 2015
Charles D. Hill, Eldad Peretz, Samuel J. Hile, Matthew G. House, Martin Fuechsle, Sven Rogge, Michelle Y. Simmons, Lloyd C. L. Hollenberg
A surface code quantum computer in silicon,
Science Advances 1, 9 (2014): e1500707.
Discussion leader: Xiang.

Wednesday, November 18 2015
R. Barends, A. Shabani, L. Lamata, J. Kelly, A. Mezzacapo, U. Las Heras, R. Babbush, A. G. Fowler, B. Campbell, Yu Chen, Z. Chen, B. Chiaro, A. Dunsworth, E. Jeffrey, E. Lucero, A. Megrant, J. Y. Mutus, M. Neeley, C. Neill, P. J. J. O’Malley, C. Quintana, P. Roushan, D. Sank, A. Vainsencher, J. Wenner, T. C. White, E. Solano, H. Neven, John M. Martinis
Digitized adiabatic quantum computing with a superconducting circuit,
arXiv: 1511.03316 .
Discussion leader: Niels.

Wednesday, October 28 2015
Zijun Chen, Julian Kelly, Chris Quintana, R. Barends, B. Campbell, Yu Chen, B. Chiaro, A. Dunsworth, A. Fowler, E. Lucero, E. Jeffrey, A. Megrant, J. Mutus, M. Neeley, C. Neill, P. J. J. O’Malley, P. Roushan, D. Sank, A. Vainsencher, J. Wenner, T. C. White, A. N. Korotkov, John M. Martinis
Measuring and Suppressing Quantum State Leakage in a Superconducting Qubit,
arXiv:1509.05470.
Discussion leader: Adriaan.

Wednesday, October 21 2015
C. Macklin, K. O’Brien, D. Hover, M. E. Schwartz, V. Bolkhovsky, X. Zhang, W. D. Oliver, I. Siddiqi
A near–quantum-limited Josephson traveling-wave parametric amplifier,
Science Express 350, 307 (2015).
Discussion leader: Leo.

Wednesday, October 14 2015
David J. Clarke, Jay D. Sau, Sankar Das Sarma
Bell violations in Majorana wires,
http://arxiv.org/abs/1510.00007.
Discussion leader: Attila.

Wednesday, October 7 2015
Yehan Liu, Shyam Shankar, Nissim Ofek, Michael Hatridge, Anirudh Narla, Katrina Sliwa, Luigi Frunzio, Robert J. Schoelkopf, Michel H. Devoret
Comparing and combining measurement-based and driven-dissipative entanglement stabilization,
arXiv:1509.00860.
Discussion leader: Chris.

Wednesday, September 30 2015
KM Svore, AV Aho, AW Cross, I Chuang, IL Markov
A Layered Software Architecture for Quantum Computing Design Tools,
Computer, (1), 74-83.
Discussion leader: Wouter.

Wednesday, September 23 2015
D. Wecker, M. B. Hastings, M. Troyer
Towards Practical Quantum Variational Algorithms,
http://arxiv.org/abs/1507.08969.
Discussion leader: Nathan.

Wednesday, September 16 2015
T. Brecht, W. Pfaff, C. Wang, Y. Chu, L. Frunzio, M. H. Devoret, R. J. Schoelkopf
Multilayer microwave integrated quantum circuits for scalable quantum computing,
arXiv:1509.01127.
Discussion leader: Ale.

Wednesday, September 9 2015
Matthew Reagor, Wolfgang Pfaff, Christopher Axline, Reinier W. Heeres, Nissim Ofek, Katrina Sliwa, Eric Holland, Chen Wang, Jacob Blumoff, Kevin Chou, Michael J. Hatridge, Luigi Frunzio, Michel H. Devoret, Liang Jiang, Robert J. Schoelkopf
A quantum memory with near-millisecond coherence in circuit QED,
arXiv:1508.05882.
Discussion leader: Stefano.

Wednesday, September 2 2015
Michael Jon Bailey
Intermodulation Distortion in Pseudomorphic HEMT’s and an Extension of the Classical Theory,
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, VOL. 48, NO. 1, JANUARY 2000
Discussion leader: Duije.

Wednesday, August 26 2015
Yun-Pil Shim, Charles Tahan
Semiconductor-inspired superconducting quantum computing,
arXiv:1507.07923
Discussion leader: Florian.

Wednesday, August 19 2015
Special topic journal club
Discussion leader: Leo.

Wednesday, August 12 2015
Martin V. Gustafsson, Thomas Aref, Anton Frisk Kockum, Maria K. Ekström, Göran Johansson, Per Delsing
Propagating phonons coupled to an artificial atom,
Science 346, 207 (2015).
Discussion leader: Nodar.

Wednesday, August 5 2015,
Special topic: Two-qubit gates
Discussion leader: Adriaan.

Wednesday, July 29 2015
Ali Asadian, Mehdi Abdi
Heralded entangled coherent states between spatially separated massive resonators,
arXiv:1507.02540.
Discussion leader: Niels.

Wednesday, July 22 2015
Kevin O’Brien, Chris Macklin, Irfan Siddiqi, and Xiang Zhang
Resonant Phase Matching of Josephson Junction Traveling Wave Parametric Amplifiers,
Physical Review Letters 113, 157001 (2014).
Discussion leader: Tom.

Wednesday, July 15 2015
L. Bretheau, Ç. Ö. Girit, C. Urbina, D. Esteve, and H. Pothier
Supercurrent Spectroscopy of Andreev States,
Physical Review X 3, 041034 (2013).
Discussion leader: Attila.

Wednesday, July 1 2015
Nicolas Didier, Jérôme Bourassa, Alexandre Blais
Fast quantum non-demolition readout from longitudinal qubit-oscillator interaction,
arXiv:1504.04002.
Discussion leader: Chris.

Wednesday, June 24 2015
Special topic journal club.
Discussion leader: Wouter.

Wednesday, June 17 2015
R. W. Andrews, A. P. Reed, K. Cicak, J. D. Teufel, K. W. Lehnert
Quantum-enabled temporal and spectral mode conversion of microwave signals,
arXiv:1506.02296.
Discussion leader: Ale.

Wednesday, June 10 2015
Special topic journal club.
Discussion leader: Duije.

Wednesday, June 3 2015
Blake R. Johnson, Marcus P. da Silva, Colm A. Ryan, Shelby Kimmel, Jerry M. Chow, Thomas A. Ohki
Demonstration of Robust Quantum Gate Tomography via Randomized Benchmarking,
arXiv:1505.06686.
Discussion leader: Nathan.

Wednesday, May 20 2015
Jaseung Ku, Zack Yoscovits, Alex Levchenko, James Eckstein, Alexey Bezryadin
Meissner transmon qubit – architecture and characterization,
arXiv:1504.03360.
Discussion leader: Yaroslav.

Wednesday, May 13 2015
Eyob A. Sete, John M. Martinis, Alexander N. Korotkov
Quantum theory of a bandpass Purcell filter for qubit readout,
arXiv:1504.06030.
Discussion leader: Stefano.

Wednesday, May 6 2015
Ming Hua, Ming-Jie Tao & Fu-Guo Deng
Fast universal quantum gates on microwave photons with all-resonance operations in circuit QED,
Scientific Reports 5, 9274 (2015).
Discussion leader: Serwan.

Wednesday, April 29 2015
T. W. Larsen, K. D. Petersson, F. Kuemmeth, T. S. Jespersen, P. Krogstrup, J. Nygard, C. M. Marcus
A Semiconductor Nanowire-Based Superconducting Qubit,
arXiv:1503.08339.
Discussion leader: Florian.

Wednesday, April 22 2015
Brian Vlastakis, Andrei Petrenko, Nissim Ofek, Luayn Sun, Zaki Leghtas, Katrina Sliwa, Yehan Liu, Michael Hatridge, Jacob Blumoff, Luigi Frunzio, Mazyar Mirrahimi, Liang Jiang, M. H. Devoret, R. J. Schoelkopf
Violating Bell’s inequality with an artificial atom and a cat state in a cavity,
arXiv:1504.02512.
Discussion leader: Ramiro.

Wednesday, April 15 2015
Alberto Peruzzo, Jarrod McClean, Peter Shadbolt, Man-Hong Yung, Xiao-Qi Zhou, Peter J. Love, Alán Aspuru-Guzik, Jeremy L. O’Brien
A variational eigenvalue solver on a quantum processor,
Nature Communications 5, 4213 (2014).
Discussion leader: Adriaan.

Wednesday, April 8 2015
T.C. White, J.Y. Mutus, I.-C. Hoi, R. Barends, B. Campbell, Yu Chen, Z. Chen, B. Chiaro, A. Dunsworth, E. Jeffrey, J. Kelly, A. Megrant, C. Neill, P.J.J. O’Malley, P. Roushan, D. Sank,A. Vainsencher, J. Wenner, S. Chaudhuri, J. Gao, John M. Martinis
Traveling wave parametric amplifier with Josephson junctions using minimal resonator phase matching,
arXiv:1503.04364.
Discussion leader: Leo.

Wednesday, April 1 2015
P. J. J. O’Malley, J. Kelly, R. Barends, B. Campbell, Y. Chen, Z. Chen, B. Chiaro, A. Dunsworth, A. G. Fowler, I.-C. Hoi, E. Jeffrey, A. Megrant, J. Mutus, C. Neill, C. Quintana, P. Roushan, D. Sank, A. Vainsencher, J. Wenner, T. C. White, A. N. Korotkov, A. N. Cleland, John M. Martinis
Qubit metrology of ultralow phase noise using randomized benchmarking,
arXiv:1411.2613.
Discussion leader: Serwan.

Wednesday, March 25 2015
H. S. Ku, W. F. Kindel, F. Mallet, S. Glancy, K. D. Irwin, G. C. Hilton, L. R. Vale, K. W. Lehnert
Generating and verifying entangled itinerant microwave fields with efficient and independent measurements,
arXiv:1502.03884.
Discussion leader: Christian.

Wednesday, March 18 2015
Y.-Y. Liu, J. Stehlik, C. Eichler, M. J. Gullans, J. M. Taylor, J. R. Petta
Semiconductor double quantum dot micromaser,
Science 347, 285 (2015).
Discussion leader: Attila.

Wednesday, March 11 2015
Brian Vlastakis, Gerhard Kirchmair, Zaki Leghtas, Simon E. Nigg, Luigi Frunzio, S. M. Girvin, Mazyar Mirrahimi, M. H. Devoret, R. J. Schoelkopf
Deterministically Encoding Quantum Information Using 100-Photon Schrödinger Cat States,
Science 342, 607 (2013).
Discussion leader: Marios.

Wednesday, February 25 2015
Special journal club.
Discussion leader: Wouter.

Wednesday, February 18 2015
Neereja M. Sundaresan, Yanbing Liu, Darius Sadri, Laszlo J. Szocs, Devin L. Underwood, Moein Malekakhlagh, Hakan E. Tureci, Andrew A. Houck
Beyond Strong Coupling in a Massively Multimode Cavity,
arXiv:1502.02660.
Discussion leader: Ale.

Wednesday, February 11 2015
R. Barends, L. Lamata, J. Kelly, L. García-Álvarez, A. G. Fowler, A. Megrant, E. Jeffrey, T. C. White, D. Sank, J. Y. Mutus, B. Campbell, Yu Chen, Z. Chen, B. Chiaro, A. Dunsworth, I.-C. Hoi, C. Neill, P. J. J. O’Malley, C. Quintana, P. Roushan, A. Vainsencher, J. Wenner, E. Solano, John M. Martinis
Digital quantum simulation of fermionic models with a superconducting circuit,
arXiv:1501.07703.
Discussion leader: Nathan.

Wednesday, February 4 2014
Nicholas A. Estep, Dimitrios L. Sounas, Jason Soric & Andrea Alù
Magnetic-free non-reciprocity and isolation based on parametrically modulated coupled-resonator loops,
Nat. Phys. 10, 923–927 (2014).
Discussion leader: Duije.

Wednesday, January 28 2015
J. Kelly, R. Barends, A. G. Fowler, A. Megrant, E. Jeffrey, T. C. White, D. Sank, J. Y. Mutus, B. Campbell, Yu Chen, Z. Chen, B. Chiaro, A. Dunsworth, I.-C. Hoi, C. Neill, P. J. J. O’Malley, C. Quintana, P. Roushan, A. Vainsencher, J. Wenner, A. N. Cleland, John M. Martinis
State preservation by repetitive error detection in a superconducting quantum circuit,
arXiv:1411.7403.
Discussion leader: Stefano.

Wednesday, January 14 2015
Special journal club on Andreev Bound States
Discussion leader: Florian.

Wednesday, January 7 2015
X. Y. Jin, A. Kamal, A. P. Sears, T. Gudmundsen, D. Hover, J. Miloxi, R. Slattery, F. Yan, J. Yoder, T. P. Orlando, S. Gustavsson, W. D. Oliver
Thermal and Residual Excited-State Population in a 3D Transmon Qubit,
arXiv:1412.2772.
Discussion leader: Yaroslav.

Wednesday, December 17 2014
J. A. Mlynek, A. A. Abdumalikov Jr, C. Eichler, A. Wallraff
Observation of Dicke Superradiance for Two Artificial Atoms in a Cavity with High Decay Rate,
arXiv:1412.2392.
Discussion leader: Marios.

Wednesday, December 10 2014
M. Veldhorst, C.H. Yang, J.C.C. Hwang, W. Huang, J.P. Dehollain, J.T. Muhonen, S. Simmons, A. Laucht, F.E. Hudson, K.M. Itoh, A. Morello, A.S. Dzurak
A Two Qubit Logic Gate in Silicon,
arXiv:1411.5760.
Discussion leader: Serwan.

Wednesday, December 3 2014
Ananda Roy, Zaki Leghtas, A. Douglas Stone, Michel Devoret, Mazyar Mirrahimi
Continuous Generation and Stabilization of Mesoscopic Field Superposition States in a Quantum Circuit,
arXiv:1411.0979.
Discussion leader: Myles.

Wednesday, November 26 2014
C. Janvier, L. Tosi, Ç. Ö. Girit, M. F. Goffman, H. Pothier, C. Urbina
Superconducting atomic contacts inductively coupled to a microwave resonator,
arXiv:1409.8065.
Discussion leader: Attila.

Wednesday, November 19 2014
Arjan F. van Loo, Arkady Fedorov, Kevin Lalumière, Barry C. Sanders, Alexandre Blais, Andreas Wallraff
Photon-Mediated Interactions Between Distant Artificial Atoms,
Science 342, 1494 (2013).
Discussion leader: Christian.

Wednesday, November 12 2014
I.-C. Hoi, A. F. Kockum, L. Tornberg, A. Pourkabirian, G. Johansson, P. Delsing, C. M. Wilson
Probing the quantum vacuum with an artificial atom in front of a mirror,
arXiv:1410.8840.
Discussion leader: Gijs.

Wednesday, November 5 2014
J. M. Hornibrook, J. I. Colless, I. D. Conway Lamb, S. J. Pauka, H. Lu, A. C. Gossard, J. D. Watson, G. C. Gardner, S. Fallahi, M. J. Manfra, D. J. Reilly
Cryogenic Control Architecture for Large-Scale Quantum Computing,
arXiv:1409.2202.
Discussion leader: Ale.

Wednesday, October 29 2014
A. D. Córcoles, Easwar Magesan, Srikanth J. Srinivasan, Andrew W. Cross, M. Steffen, Jay M. Gambetta, Jerry M. Chow
Detecting arbitrary quantum errors via stabilizer measurements on a sublattice of the surface code,
arXiv:1410.6419.
Discussion leader: Leo.

Wednesday, October 22 2014
John M. Martinis, Rami Barends & Alexander N. Korotkov
Calculation of Coupling Capacitance in Planar Electrodes,
arXiv:1410.3458.
Discussion leader: Nathan.

Wednesday, October 8 2014

Christian Kraglund Andersen & Klaus Mølmer
Circuit QED flip-flop memory with all-microwave switching,
arXiv:1405.3046
Discussion leader: Yaroslav.

Wednesday, October 1 2014
S. Putz, D. O. Krimer, R. Amsüss, A. Valookaran, T. Nöbauer, J. Schmiedmayer, S. Rotter & J. Majer
Protecting a spin ensemble against decoherence in the strong-coupling regime of cavity QED,
Nat. Phys. 10, 720 (2014).
Discussion leader: Stefano.

Wednesday, September 24 2014
V. Schmitt, X. Zhou, K. Juliusson, A. Blais, P. Bertet, D. Vion, D. Esteve
Multiplexed Readout of Transmon Qubits with Josephson Bifurcation Amplifiers,
arXiv:1409.5647.
Discussion leader: Myles.

Wednesday, September 17 2014
T Rybarczyk, S Gerlich, B Peaudecerf, M Penasa, B Julsgaard, K Moelmer, S Gleyzes, M Brune, J-M Raimond, S Haroche, I Dotsenko
Past quantum state analysis of the photon number evolution in a cavity,
arXiv:1409.0958.
Discussion leader: Diego.

Wednesday, September 10 2014
D. Tan, S. Weber, I. Siddiqi, K. Mølmer, K. W. Murch
Prediction and retrodiction for a continuously monitored superconducting qubit,
arXiv:1409.0510.
Discussion leader: Leo.

Wednesday, September 3 2014
Saeed Khan, R. Vijay, I. Siddiqi, Aashish A. Clerk
Large gain quantum-limited qubit measurement using a two-mode nonlinear cavity,
arXiv:1408.0226.
Discussion leader: Christian.

Wednesday, August 27 2014
K. Inomata, K. Koshino, Z. R. Lin, W. D. Oliver, J. S. Tsai, Y. Nakamura, T. Yamamoto
Microwave Down-Conversion with an Impedance-Matched Λ System in Driven Circuit QED,
Phys. Rev. Lett. 113, 063604 (2014).
Discussion leader: Stefano.

Wednesday, August 13 2014
R. P. Erickson, M. R. Vissers, M. Sandberg, S. R. Jefferts, D. P. Pappas
Ultra-Broadband Microwave Frequency-Comb Generation in Superconducting Resonators,
arXiv:1405.7117.
Discussion leader: Ale.

Wednesday, August 6 2014
Keyu Xia, Michael R. Vanner and Jason Twamley
An opto-magneto-mechanical quantum interface between distant superconducting qubits,
Phys. Rev. X 4, 021019 (2014).
Discussion leader: Yaroslav.

Wednesday, July 30 2014
Giovanni Viola and David P. DiVincenzo
Hall Effect Gyrators and Circulators,
Phys. Rev. X 4, 021019 (2014).
Discussion leader: Attila.

Wednesday, July 23 2014
Andrey V. Rodionov, Andrzej Veitia, R. Barends, J. Kelly, Daniel Sank, J. Wenner, John M. Martinis, Robert L. Kosut, Alexander N. Korotkov
Compressed sensing quantum process tomography for superconducting quantum gates,
arXiv:1407.0761.
Discussion leader: Nathan.

Wednesday, July 16 2014
Chen Wang, Yvonne Y. Gao, Ioan M. Pop, Uri Vool, Chris Axline, Teresa Brecht, Reinier W. Heeres, Luigi Frunzio, Michel H. Devoret, Gianluigi Catelani, Leonid I. Glazman, Robert J. Schoelkopf
Measurement and Control of Quasiparticle Dynamics in a Superconducting Qubit,
arXiv:1406.7300.
Discussion leader: Diego.

Wednesday, July 9 2014
I. Nsanzineza, B.L.T. Plourde
Trapping a single vortex and reducing quasiparticles in a superconducting resonator,
arXiv:1405.0256.
Discussion leader: Leo.

Wednesday, July 2 2014
R. Barends, J. Kelly, A. Veitia, A. Megrant, A. G. Fowler, B. Campbell, Y. Chen, Z. Chen, B. Chiaro, A. Dunsworth, I.-C. Hoi, E. Jeffrey, C. Neill, P. J. J. O’Malley, J. Mutus, C. Quintana, P. Roushan, D. Sank, J. Wenner, T. C. White, A. N. Korotkov, A. N. Cleland, John M. Martinis
Rolling quantum dice with a superconducting qubit,
arXiv:1406.3364.
Discussion leader: Christian.

Wednesday, June 25 2014
Uri Vool, Ioan M. Pop, Katrina Sliwa, Baleegh Abdo, Chen Wang, Teresa Brecht, Yvonne Y. Gao, Shyam Shankar, Michael Hatridge, Gianluigi Catelani, Mazyar Mirrahimi, Luigi Frunzio, Robert J. Schoelkopf, Leonid I. Glazman, Michel H. Devoret
Non-Poissonian Quantum Jumps of a Fluxonium Qubit due to Quasiparticle Excitations,
arXiv:1406.1769.
Discussion leader: Gijs.

Wednesday, June 18 2014
A. Narla, K.M. Sliwa, M. Hatridge, S. Shankar, L. Frunzio, R. J. Schoelkopf, M.H. Devoret
Wireless Josephson Amplifier,
arXiv:1404.4979.
Discussion leader: Alessandro.

Wednesday, June 11 2014
Jani Tuorila, Matti Silveri, Mika Sillanpää, Erkki Thuneberg, Yuriy Makhlin, Pertti Hakonen
Charge qubit driven via the Josephson nonlinearity,
arXiv:1307.6032.
Discussion leader: Yaroslav.

Wednesday, June 4 2014
T. Lanting, A. J. Przybysz, A. Yu. Smirnov, F. M. Spedalieri, M. H. Amin, A. J. Berkley, R. Harris, F. Altomare, S. Boixo, P. Bunyk, N. Dickson, C. Enderud, J. P. Hilton, E. Hoskinson, M. W. Johnson, E. Ladizinsky, N. Ladizinsky, R. Neufeld, T. Oh, I. Perminov, C. Rich, M. C. Thom, E. Tolkacheva, S. Uchaikin, A. B. Wilson, and G. Rose
Entanglement in a Quantum Annealing Processor,
PRX 4, 021041 (2014).
Discussion leader: Stefano.

Wednesday, May 28 2014
C. Eichler, Y. Salathe, J. Mlynek, S. Schmidt, A. Wallraff
Quantum limited amplification and entanglement in coupled nonlinear resonators,
arXiv:1404.4643.
Discussion leader: Nathan.

Wednesday, May 7 2014 and Wednesday, May 14 2014
Ioan M. Pop, Kurtis Geerlings, Gianluigi Catelani, Robert J. Schoelkopf, Leonid I. Glazman & Michel H. Devoret
Coherent suppression of electromagnetic dissipation due to superconducting quasiparticles,
Nature 508, 369 (2014).
Discussion leader: Diego.

Wednesday, Apr. 30 2014
Yu Chen, P. Roushan, D. Sank, C. Neill, Erik Lucero, Matteo Mariantoni, R. Barends, B. Chiaro, J. Kelly, A. Megrant, J. Y. Mutus, P. J. J. O’Malley, A. Vainsencher, J. Wenner, T. C. White, Yi Yin, A. N. Cleland, John M. Martinis
Simulating weak localization using superconducting quantum circuits,
arXiv:1403.6808.
Discussion leader: Leo.

Wednesday, Apr. 23 2014
L. Bretheau, Ç. Girit, H. Pothier, D. Esteve, C. Urbina
Exciting Andreev pairs in a superconducting atomic contact ,
Nature 499, 312 (2013).
Discussion leader: Attila.

Wednesday, Apr. 16 2014
D. McKay, R. Naik, P. Reinhold, L. Bishop, D. Schuster
A Multi-Resonator Network for Superconducting Circuits ,
arXiv:1402.7036.
Discussion leader: Gijs.

Wednesday, Apr. 9 2014
D. Nigg, M. Mueller, E. Martinez, P. Schindler, M. Hennrich, T. Monz, M. Martin-Delgado, R. Blatt
Experimental Quantum Computations on a Topologically Encoded Qubit,
arXiv:1403.5426.
Discussion leader: Christian.

Wednesday, Apr. 2 2014
X. Cai, J. Wang, M. Strain, B. Johnson-Morris, J. Zhu, M. Sorel, J. O’Brien, M. Thompson, S. Yu
Integrated Compact Optical Vortex Beam Emitters,
Science 338, 363 (2012).
Discussion leader: Alessandro.

Wednesday, Mar. 19 2014
Y. Chen, C. Neill, P. Roushan, N. Leung, M. Fang, R. Barends, J. Kelly, B. Campbell, Z. Chen, B. Chiaro, A. Dunsworth, E. Jeffrey, A. Megrant, J. Mutus, P. O’Malley, C. Quintana, D. Sank, A. Vainsencher, J. Wenner, T. White, M. Geller, A. Cleland, J. Martinis
Qubit architecture with high coherence and fast tunable coupling,
arXiv:1402.7367.
Discussion leader: Stefano.

Tuesday, Feb. 19 2014
D. Wecker, B. Bauer, B. Clark, M. Hastings, M. Troyer
Can quantum chemistry be performed on a small quantum computer?,
arXiv:1312.1695.
Discussion leader: Leo.

Tuesday, Feb. 9 2014
A. Signoles, A. Facon, D. Grosso, I. Dotsenko, S. Haroche, J.l Raimond, M. Brune, S. Gleyzes
Confined quantum Zeno dynamics of a watched atomic arrow,
arXiv:1402.0111.
Discussion leader: Diego.

Tuesday, Feb. 4 2014
C. Grezes, B. Julsgaard, Y. Kubo, M. Stern, T. Umeda, J. Isoya, H. Sumiya, H. Abe, S. Onoda, T. Ohshima, V. Jacques, J. Esteve, D. Vion, D. Esteve, K. Mølmer, P. Bertet
Multi-mode storage and retrieval of microwave fields in a spin ensemble,
arXiv:1401.7939.
Discussion leader: Gijs.

Tuesday, Jan. 29 2014
D.Sank, E. Jeffrey, J. Mutus, T. White, J. Kelly, R. Barends, Y. Chen, Z. Chen, B. Chiaro, A. Dunsworth, A. Megrant, P.J.J. O’Malley, C. Neill, P. Roushan, A. Vainsencher, J. Wenner, A. Cleland, J. Martinis
Fast Scalable State Measurement with Superconducting Qubits,
arXiv:1401.0257.
Discussion leader: Christian.

Tuesday, Jan. 15 2014
M. Mirrahimi, Z. Leghtas, V. Albert, S. Touzard, R. Schoelkopf, L. Jiang, M. Devoret
Dynamically protected cat-qubits: a new paradigm for universal quantum computation,
arXiv:1312.2017.
Discussion leader: Sal.

Tuesday, Jan. 8 2014
M. Bell, J. Paramanandam, L. Ioffe, M. Gershenson
Protected Josephson Rhombi Chains,
arXiv:1311.6521.
Discussion leader: Sal.

Tuesday, Dec. 11 2013
B. Abdo, K. Sliwa, S. Shankar, M. Hatridge, L. Frunzio, R. Schoelkopf, M. Devoret
Josephson directional amplifier for quantum measurement of superconducting circuits,
arXiv:1311.5345.
Discussion leader: Visa.

Tuesday, Dec. 4 2013
P. Campagne-Ibarcq, L. Bretheau, E. Flurin, A. Auffèves, F. Mallet, B. Huard
Observing interferences between past and future quantum states in resonance fluorescence ,
arXiv:/1311.5605.
Discussion leader: Gijs.

Tuesday, Nov. 27 2013
L. Sun, A. Petrenko, Z. Leghtas, B. Vlastakis, G. Kirchmair, K. M. Sliwa, A. Narla, M. Hatridge, S. Shankar, J. Blumoff, L. Frunzio, M. Mirrahimi, M. Devoret, R. Schoelkopf
Tracking Photon Jumps with Repeated Quantum Non-Demolition Parity Measurements ,
arXiv:1311.2534.
Discussion leader: Olli.

Tuesday, Oct. 29 2013
B. Vlastakis, G. Kirchmair, Z. Leghtas, S. Nigg, L. Frunzio, S. Girvin, M. Mirrahimi, M. Devoret, R. Schoelkopf
Deterministically Encoding Quantum Information Using 100-Photon Schrödinger Cat States ,
www.sciencemag.org/content/342/6158/607.
Discussion leader: Diego.

Tuesday, Oct. 29 2013
A. Fragner, M. Göppl, J. Fink, M. Baur, R. Bianchetti, P. Leek, A. Blais, A. Wallraff
Resolving Vacuum Fluctuations in an Electrical Circuit by Measuring the Lamb Shift ,
http://www.sciencemag.org/content/322/5906/1357.
Discussion leader: Alessandro.

Tuesday, Oct. 22 2013
P. Krantz, Y. Reshitnyk, W. Wustmann, J. Bylander, S. Gustavsson, W. Oliver, T. Duty, V. Shumeiko, P. Delsing
Investigation of nonlinear effects in Josephson parametric oscillators used in circuit QED,
arXiv:1310.3966.
Discussion leader: Frans.

Tuesday, Oct. 15 2013
S. Schmidt, J. Koch
Circuit QED lattices: towards quantum simulation with superconducting circuits,
arXiv:1212.2070v1.
Discussion leader: Sal.

Tuesday, Oct. 8 2013
T. Palomaki, J. Teufel, R. Simmonds, K. Lehnert
Entangling Mechanical Motion with Microwave Fields,
DOI: 10.1126/science.1244563 (2013).
Discussion leader: Visa.

Tuesday, Oct. 1 2013
J. Choi, G. Lee, S. Park, D. Jeong, J. Lee, H. Sim, Y. Doh, H. Lee
Complete gate control of supercurrent in graphene p–n junctions ,
ArXiv:1308.4094 (2013).
Discussion leader: Alessandro.

Tuesday, Sept. 17 2013
M. Pechal, C. Eichler, S. Zeytinoglu, S. Berger, A. Wallraff, S. Filipp
Microwave-controlled generation of shaped single photons in circuit quantum electrodynamics ,
ArXiv:1308.4094 (2013).
Discussion leader: Gijs.

Tuesday, Sept. 10 2013
Y. Zhong, Z. Wang, J. Martinis, A. Cleland, A. Korotkov, H. Wang
Reducing intrinsic decoherence in a superconducting circuit by quantum error detection,
ArXiv:1309.0198 (2013).
Discussion leader: Olli.

Tuesday, Sept. 3 2013
S. Srinivasan, N. Sundaresan, D. Sadri, Y. Liu, J. Gambetta, T. Yu, S. Girvin, A. Houck
Time-Reversal Symmetrization of Spontaneous Emission for High Fidelity Quantum State Transfern,
ArXiv:1308.3471 (2013).
Discussion leader: Diego.

Tuesday, July 2 2013
S. E. de Graaf, J. Leppäkangas, A. Adamyan, A. V. Danilov, T. Lindström, M. Fogelström, T. Bauch, G. Johansson, S. E. Kubatkin
Dynamic parity recovery in a strongly driven Cooper-pair box,
ArXiv:1306.4465 (2013).
Discussion leader: Diego.

Tuesday, June 25 in F028
Kevin Lalumière, Barry C. Sanders, Arjan F. van Loo, Arkady Fedorov, Andreas Wallraff, Alexandre Blais
Input-output theory for waveguide QED with an ensemble of inhomogeneous atoms,
ArXiv:1305.7135 (2013).
Discussion leader: Marcin.

Tuesday, June 18 in F028
X.-D. Cai, C. Weedbrook, Z.-E. Su, M.-C. Chen, Mile Gu, M.-J. Zhu1, Li Li1, Nai-Le Liu1, Chao-Yang Lu1, and Jian-Wei Pan
Experimental quantum computing to solve systems of linear equations,
Phys. Rev. Lett 110, 230501 (2013).
Discussion leader: Olli.

Wednesday, June 12 in F028
K. W. Murch, S. J. Weber, C. Macklin, I. Siddiqi
Observing single quantum trajectories of a superconducting qubit,
ArXiv:1305.7270 (2013).
Discussion leader: No leader. Joint with Diamond.

Tuesday, June 4 in F028
S. Boixo, T. Rønnow, S. Isakov, Z. Wang, D. Wecker, D. Lidar, J. Martinis, M. Troyer
Quantum annealing with more than one hundred qubits,
ArXiv:1304.4595 (2013).
Discussion leader: Christopher.

May 28, 2013
J. Chang, M. Vissers, A. Corcoles, M. Sandberg, J. Gao, David W. Abraham, J. Chow, J. Gambetta, M. Rothwell, G. Keefe, M. Steffen, D. Pappas
Improved superconducting qubit coherence using titanium nitride,
ArXiv:103.4071 (2013).
Discussion leader: Alessandro.

May 21,2013
T. Palomaki, J. Harlow, J. Teufel, R. Simmonds, K. Lehnert
Coherent state transfer between itinerant microwave fields and a mechanical oscillator,
ArXiv:1304.6221 (2013).
Discussion leader: Gijs.

May 14,2013
M. Ansari
Nonequilibrium quasiparticle relaxation in superconducting qubits,
ArXiv:1304.6221 (2013).
Discussion leader: Frans.

May 7, 2013
R. Barends, J. Kelly, A. Megrant, D. Sank, E. Jeffrey, Y. Chen, Y. Yin, B. Chiaro, J. Mutus, C. Neill, P. O’Malley, P. Roushan, J. Wenner, T. C. White, A. N. Cleland, John M. Martinis
Coherent Josephson qubit suitable for scalable quantum integrated circuits,
ArXiv:1304.2322 (2013).
Discussion leader: Ad.

April 16, 2013
F. Reiter, L. Tornberg, G. Johansson, A. Sorensen,
Steady state entanglement of two superconducting qubits engineered by dissipation,
ArXiv:1304.0746 (2013).
Discussion leader: Christopher.

April 9,2013
Z. Leghtas, U. Vool, S. Shankar, M. Hatridge, S.M. Girvin, M.H. Devoret, & M. Mirrahimi,
Stabilizing a Bell state of two superconducting qubits by dissipation engineering,
ArXiv:1303.3819 (2013).
Discussion leader: Leo.

March 12,2013
P. Campagne-Ibarcq, E. Flurin, N. Roch, D. Darson, P. Morfin, M. Mirrahimi, M. Devoret, F. Mallet, B. Huard
Stabilizing the trajectory of a superconducting qubit by projective measurement feedback,
Arxiv:1301.6095 (2013).
Discussion leader: Marcin.

March 5, 2013
L. Steffen, A. Fedorov, M. Oppliger, Y. Salathe, P. Kurpiers, M. Baur, G. Puebla-Hellmann, C. Eichler, A. Wallraff
Realization of Deterministic Quantum Teleportation with Solid State Qubits,
Arxiv:1302.5621 (2013).
Discussion leader: Olli.

Feb. 26, 2013
L. Slodička, G. Hétet, N. Röck, P. Schindler, M. Hennrich, and R. Blatt
Atom-Atom Entanglement by Single-Photon Detection,
PRL 110, 083603 (2013).
Discussion leader: Diego.

Feb. 12, 2013
K. Murch, S. Weber, K. Beck, E. Ginossar, I. Siddiqi
Suppression of the radiative decay of atomic coherence in squeezed vacuum,
arXiv:1301.6276 (2013).
Discussion leader: Gijs.

Feb. 5, 2013
K. Fedorov, A. Shcherbakova, R. Schäfer, A. Ustinov
Josephson vortex coupled to a flux qubit,
arXiv:1301.5164 (2013).
Discussion leader: Yaroslav.

Jan. 15, 2013
A. Meier, B. Eastin, E. Knill
Magic-state distillation with the four-qubit code,
arXiv:1204.4221 (2012).
Discussion leader: Chris.

Jan. 15, 2013
V. Maisi, S. Lotkhov, A. Kemppinen, A. Heimes, J. Muhonen, J. Pekola
Single quasiparticle excitation dynamics on a superconducting island,
arXiv:1212.2755 (2012).
Discussion leader: Pieter.

Jan. 8, 2013
A. Fowler, M. Mariantoni, J. Martinis, A. Cleland
Surface codes: Towards practical large-scale quantum computation (pages 1-10),
arXiv:1208.0928 (2012).
Discussion leader: Sal.

Dec. 18, 2012
C. Quintana, K. Petersson, L. McFaul, S. Srinivasan, A. Houck, J. Petta
Cavity-Mediated Entanglement Generation Via Landau-Zener Interferometry,
arXiv:1207.0726 (2012).
Discussion leader: Leo.

Dec. 4, 2012.
Z. Leghtas, G. Kirchmair, B. Vlastakis, R. Schoelkopf, M. Devoret, M. Mirrahimi
Hardware-efficient autonomous quantum error correction,
arXiv:1207.0679 (2012).
Discussion leader: Marcin.

Nov. 27, 2012.
M. Sandberg, M. Vissers, T. Ohki, J. Gao, J. Aumentado, M. Weides, D. Pappas,
Long-lived, radiation-suppressed superconducting quantum bit in a planar geometry,
arXiv:1211.2017 (2012).
Discussion leader: Maryna.

Nov. 20, 2012.
Gerhard Kirchmair, Brian Vlastakis, Zaki Leghtas, Simon E. Nigg, Hanhee Paik, Eran Ginossar, Mazyar Mirrahimi, Luigi Frunzio, S. M. Girvin, R. J. Schoelkopf,
Observation of quantum state collapse and revival due to the single-photon Kerr effect,
arXiv:1211.2228 (2012).
Discussion leader: Diego.

Nov. 13, 2012.
K. Geerlings, Z. Leghtas, I. M. Pop, S. Shankar, L. Frunzio, R. J. Schoelkopf, M. Mirrahimi & M. H. Devoret,
Demonstrating a Driven Reset Protocol of a Superconducting Qubit,
arXiv:1211.0491 (2012)
Discussion leader: Ad.

Oct. 30, 2012.
Discussion on dilution fridges, reading material: Pobell ch 7.

Oct. 23, 2012.
Y. Yin, Y. Chen, D. Sank, P.J.J. O’Malley, T.C. White, R. Barends, J. Kelly, E. Lucero, M. Mariantoni, A. Megrant, C. Neill, A. Vainsencher, J. Wenner, A.N. Korotkov, A.N. Cleland & J.M. Martinis,
Controlled catch and release of microwave photon states,
arXiv:1208.2950.
Discussion leader: Gijs.

Sep. 25, 2012.
S. Ritter, C. Nolleke, C. Hahn, A. Reiserer, A. Neuzner, M. Uphoff, M. Mucke,
E. Figueroa, J. Bochmann & G. Rempe,
An elementary quantum network of single atoms in optical cavities,
Nature 484, 195 (2012).
Discussion leader: Leo.

Sep. 11, 2012.
C. Eichler, C. Lang, J.M. Fink, J. Govenius, S. Filipp, and A. Wallraff,
Observation of Entanglement Between Itinerant Microwave Photons and a Superconducting Qubit,
arXiv:1209.0441.
Discussion leader: Vishal.

Sept. 4, 2012
K.J. Stone, K.G. Megerian, P.K. Day, P.M. Echternach, J. Bueno, and N. Llombart,
Real time quasiparticle tunneling measurements on an illuminated quantum capacitance detector ,
Applied Physics Letters 100, 263509 (2012).
Discussion leader: Pieter.

Aug. 8, 2012
D.H. Slichter, R. Vijay, S.J. Weber, S. Boutin, M. Boissonneault, J.M. Gambetta, A. Blais, and I. Siddiqi,
Measurement-induced qubit state mixing in circuit QED from upconverted dephasing noise ,
arXiv:1206.6946.
Discussion leader: Diego.

Jul. 24, 2012
Tuesday, Jul. 24, at 10 am in F028.
K.W. Murch, U. Vool, D. Zhou, S.J. Weber, S.M. Girvin, and I. Siddiqi,
Cavity-assisted quantum bath engineering ,
arXiv:1207.0053.
Discussion leader: Niels.

Jul. 17, 2012
J.M. Pirkkalainen, S.U. Cho, J. Li, G.S. Paraoanu, P.J. Hakonen, and M.A. Sillanpää,
Hybrid circuit cavity quantum electrodynamics with a micromechanical resonator ,
arXiv:1207.1637.
Discussion leader: Julia.

Jul. 10, 2012
A.P. Sears, A. Petrenko, G. Catelani, L. Sun, H. Paik, G. Kirchmair, L. Frunzio, L.I. Glazman, S.M. Girvin, and R.J. Schoelkopf,
Photon Shot Noise Dephasing in the Strong-Dispersive Limit of Circuit QED ,
arXiv:1206.1265.
Discussion leader: Leo.

Jul. 3, 2012
G. Oelsner, P. Macha, O.V. Astafiev, E. Il’ichev, M. Grajcar, U. Hübner, B.I. Ivanov, P. Neilinger, and H.-G. Meyer,
Dressed-state amplification by a superconducting qubit ,
arXiv:1205.3017.
Discussion leader: Ad.

Jun. 12, 2012
O. Zilberberg, A. Romito, D.J. Starling, G.A. Howland, J.C. Howell, and Y. Gefen,
Null weak values and quantum state discrimination ,
arXiv:1205.3877.
Discussion leader: Marcin.

Jun. 5, 2012
S. Gustavsson, F. Yan, J. Bylander, F. Yoshihara, Y. Nakamura, T.P. Orlando, and W.D. Oliver,
Dynamical decoupling and dephasing in interacting two-level systems ,
arXiv:1204.6377v1.
Discussion leader: Vishal.

May 22, 2012
S. Gustavsson, J. Bylander, F. Yan, P. Forn-Díaz, V. Bolkhovsky, D. Braje, G. Fitch, K. Harrabi, D. Lennon, J. Miloshi, P. Murphy, R. Slattery, S. Spector, B. Turek, T. Weir, P.B. Welander, F. Yoshihara, D.G. Cory, Y. Nakamura, T.P. Orlando, and W.D. Oliver,
Driven dynamics and rotary echo of a qubit tunably coupled to a harmonic oscillator ,
Phys Rev. Lett. 108, 170503 (2012).
Discussion leader: Joost.

May 15, 2012
J.Li, M.P. Silveri, K.S. Kumar, J.-M. Pirkkalainen, A. Vepsäläinen, W.C. Chien, J. Tuorila, M.A. Sillanpää, P.J. Hakonen, E.V. Thuneberg, and G.S. Paraoanu,
Motional averaging in a superconducting qubit ,
arXiv:1205.0675.
Discussion leader: Diego.

May 8, 2012
K. Geerlings, S. Shankar, E. Edwards, L. Frunzio, R.J. Schoelkopf, and M.H. Devoret,
Improving the quality factor of microwave compact resonators by optimizing their geometrical parameters ,
arXiv:1204.0742v2.
Discussion leader: Thibault.

May 1, 2012
J.E. Johnson, C. Macklin, D.H. Slichter, R. Vijay, E.B. Weingarten, J. Clarke, and I. Siddiqi,
Heralded state preparation in a superconducting qubit ,
arXiv:1202.5541v1.
Discussion leader: Niels.

Apr. 24, 2012
L. Steffen, M.P. da Silva, A. Fedorov, M. Baur, and A. Wallraff,
Experimental Monte Carlo quantum process certification ,
arXiv:1202.5196.
Discussion leader: Julia.

Apr. 17, 2012
M.R. Vissers, M.P. Weides, J.S. Kline, M.O. Sandberg, and D.P. Pappas,
Identifying capacitive and inductive loss in lumped element superconducting hybrid titanium nitride/aluminum resonators ,
arXiv:1203.5112.
Discussion leader: Pieter.

Apr. 10, 2012
H. Malissa, D.I. Schuster, A.M. Tyryshkin, A.A. Houck, and S.A. Lyon,
Superconducting coplanar waveguide resonators for low temperature
pulsed electron spin resonance spectroscopy,
arXiv:1202.6305.
Discussion leader: Vishal.

Apr. 3, 2012
N.S. Williams, and A.N. Jordan,
Weak values and the Leggett-Garg inequality in solid-state qubits,
Phys. Rev. Lett. 100, 026804 (2008).
Discussion leader: Leo.

Mar. 27, 2012
K.W. Murch, S.J. Weber, E.M. Levenson-Falk, R.Vijay, and I. Siddiqi,
1/f noise of Josephson-junction-embedded microwave resonators at
single photon energies and millikelvin temperatures ,
arXiv:1112.3584.
Discussion leader: Ad.

Mar. 20, 2012
J.M. Chow, J.M. Gambetta, A.D. C’orcoles, S.T. Merkel, J.A. Smolin, C. Rigetti, S. Poletto, G.A. Keefe, M.B. Rothwell, J.R. Rozen, M.B. Ketchen, and M. Steffen,
Complete universal quantum gate set approaching fault-tolerant thresholds with superconducting qubits ,
arXiv:1202.5344.
Discussion leader: Joost.

Mar. 13, 2012
E. Lucero, R. Barends, Y. Chen, J. Kelly, M. Mariantoni, A. Megrant, P. O’Malley, D. Sank, A. Vainsencher, J. Wenner, T. White, Y. Yin, A.N. Cleland, and J.M. Martinis,
Computing prime factors with a Josephson phase qubit quantum processor ,
arXiv:1202.5707.
Discussion leader: Diego.

Mar. 6, 2012
N. Didier, Ya. M. Blanter, and F.W.J. Hekking,
Quantum dynamics of a driven three-level Josephson-atom maser ,
Phys Rev. B 82, 214507 (2010).
Discussion leader: Yaroslav.

Feb. 21, 2012
A. Frisk Kockum, L. Tornberg, and G. Johansson,
Undoing measurement-induced dephasing in circuit QED ,
arXiv:1202.2386v1.
Discussion leader: Marcin.

Feb. 14, 2012
B.H. Eom, P.K. Day, H.G. Leduc, and J. Zmuidzinas,
A Wideband, low-noise superconducting amplifier with high dynamic range ,
arXiv:1201.2392v1.
Discussion leader: Francois.

Jan. 31, 2012
A. Megrant, C. Neill, R. Barends, B. Chiaro, Y. Chen, L. Feigl, J. Kelly, E. Lucero, M. Mariantoni, P.J.J. O’Malley, D. Sank, A. Vainsencher, J. Wenner, T. C. White, Y. Yin, J. Zhao, C.J. Palmstrøm, J.M. Martinis, and A.N. Cleland,
Planar superconducting resonators with internal quality factors above one million ,
arXiv:1201.3384v1.
Discussion leader: Pieter.

Jan. 10, 2012
F. Nguyen, E. Zakka-Bajjani, R. Simmonds, and J. Aumentado,
Quantum interference between two single photons of different microwave frequencies ,
arXiv:1112.1943v1.
Discussion leader: Eva.

Jan. 10, 2012
Y.V. Fominov, M.Houzet, and L.I. Glazman,
Surface impedance of superconductors with weak magnetic impurities,
Phys. Rev. B 84,224517 (2011).
Discussion leader: Vishal.

Dec. 20, 2011
L. Sun, L. DiCarlo, M.D. Reed, G. Catelani, L.S. Bishop, D.I. Schuster, B.R. Johnson, G.A. Yang, L. Frunzio, L.I. Glazman, M.H. Devoret, and R.J. Schoelkopf,
Measurements of quasiparticle tunneling dynamics in a bandgap-engineered transmon qubit,
ArXiv:1112.2621
Discussion leader: Leo.

Nov. 22, 2011
Y. Kubo, C. Grezes, A. Dewes, T. Umeda, J. Isoya, H. Sumiya, N. Morishita, H. Abe, S. Onoda, T. Ohshima, V. Jacques, A. Dréau, J.-F. Roch, I. Diniz, A. Auffeves, D. Vion, D. Esteve, and P. Bertet,
Hybrid quantum circuit with a superconducting qubit coupled to a spin ensemble,
ArXiv:1110.2978 (Submitted).
Discusssion leader: Vishal.

Nov. 15, 2011
J.E. Johnson, E.M. Hoskinson, C. Macklin, D.H. Slichter, I. Siddiqi, and J. Clarke,
Dispersive readout of a flux qubit at the single photon level,
ArXiv:1109.2858.
Discussion leader: Diego.

Nov. 8, 2011
G.D. Fuchs, G.Burkard, P.V. Klimov, and D.D. Awschalom,
A quantum memory intrinsic to single nitrogen–vacancy centres in diamond,
Nature Physics 7,789–793 (2011).
Discussion leader: Joost.

Oct. 25, 2011
T.T. Hongisto, and A.B. Zorin,
Quantum phase slip interference device based on superconducting nanowire,
ArXiv:1109.3634.
Discussion leader: Ad.

Oct. 18, 2011
O.-P. Saira, A.Kemppinen, V.F. Maisi, and J.P. Pekola,
Is aluminum a perfect superconductor?,
ArXiv:1106.1326.
Discussion leader: Pieter.

Oct. 4, 2011
Y. Kubo, I. Diniz, A. Dewes, V. Jacques, A. Dreau, J.-F. Roch, A. Auffeves, D. Vion, D. Esteve, and P. Bertet,
Storage and retrieval of a microwave field in a spin ensemble,
ArXiv:1109.3960v1.
Discussion leader: Vishal.

Sep. 27, 2011
M.D. Reed, L. DiCarlo, S.E. Nigg, L. Sun, L. Frunzio, S.M. Girvin, and R.J. Schoelkopf,
Realization of three-qubit quantum error correction with superconducting circuits,
ArXiv:1109.4948.
Discussion leader: Leo.

Sep. 13, 2011
M. Mariantoni, H. Wang, T. Yamamoto, M. Neeley, R.C. Bialczak, Y. Chen, M. Lenander, E. Lucero, A.D. O’Connell, D. Sank, M. Weides, J. Wenner, Y. Yin, J. Zhao, A.N. Korotkov, A.N. Cleland, and J.M. Martinis,
Implementing the quantum von Neumann architecture with superconducting circuits,
Science, 334 (6052), 61-65 (2011).
Discussion leader: Josephine.

Sep. 7, 2011
A. Fedorov, L. Steffen, M. Baur, and A. Wallraff,
Implementation of a Toffoli gate with superconducting circuits,
arXiv:1108.3966v1.
Discussion leader: Diego.

Aug. 30, 2011
S. Filipp, A.F. van Loo, M. Baur, L. Steffen, and A. Wallraff,
Preparation of subradiant states using local qubit control in circuit QED,
arXiv:1107.2078v1.
Discussion leader: Joost.