Journal Club Archive 2015

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.