Martinis Group

Collaborator Publications

Michael R. Geller (University of Georgia) Webpage
Alexander N. Korotkov (UC Riverside) Publications
Robert McDermott (University of Wisconsin, Madison) Webpage
Frank Wilhelm (Saarland University) Webpage
Clare C. Yu (UC Irvine) Publications
Enrique Solano (University of the Basque Country) Publications
Anatoli Polkovnikov (Boston University) Publications
Group publications without John Martinis

Papers

Years: 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011, 2010, 2009, 2008, 2007, 2006, 2005, 2004, 2003, 2002

2018

Fluctuations of Energy-Relaxation Times in Superconducting Qubits P. V. Klimov, J. Kelly, J. Chen, M. Neeley, A. Megrant, B. Burkett, R. Barends, K. Arya, B. Chiaro, Y. Chen, A. Dunsworth, A. Fowler, B. Foxen, C. Gidney, M. Giustina, R. Graff, T. Huang, E. Jeffrey, Erik Lucero, J. Mutus, O. Naaman, C. Neill, C. Quintana, P. Roushan, Daniel Sank, A. Vainsencher, J. Wenner, T. White, S. Boixo, R. Babbush, V. Smelyanskiy, H. Neven, John M. Martinis PRL 121, 090502 (2018).. PRL | PDF | arXiv:1803.03226 | Google AI Blog
Physical qubit calibration on a directed acyclic graph Julian Kelly, Peter O'Malley, Matthew Neeley, Hartmut Neven, John M. Martinis Submitted (2018). PDF | arXiv:1803.03226
A blueprint for demonstrating quantum supremacy with superconducting qubits C. Neill, P. Roushan, K. Kechedzhi, S. Boixo, S. V. Isakov, V. Smelyanskiy, R. Barends, B. Burkett, Y. Chen, Z. Chen, B. Chiaro, A. Dunsworth, A. Fowler, B. Foxen, R.Graff, E. Jeffrey, J. Kelly, E. Lucero, A. Megrant, J. Mutus, M. Neeley, C. Quintana, D. Sank, A. Vainsencher, J. Wenner, T. C. White, H. Neven, J. M. Martinis Science 360, Issue 6385, 195-199 (2018). | PDF | Science | arXiv:1709.06678 | MIT Technology Review | UCSB Current

2017

Low Loss Multi-Layer Wiring for Superconducting Microwave Devices A. Dunsworth, A. Megrant, R. Barends, Yu Chen, Zijun Chen, B. Chiaro, A. Fowler, B. Foxen, E. Jeffrey, J. Kelly, P. V. Klimov, E. Lucero, J.Y. Mutus, M. Neeley, C. Neill, C. Quintana, P. Roushan, D. Sank, A. Vainsencher, J. Wenner, T.C. White, H. Neven, John M. Martinis Submitted (2017). PDF | arXiv:1712.01671
Qubit compatible superconducting interconnects B. Foxen, J.Y. Mutus, E. Lucero, R. Graff, A. Megrant, Yu Chen, C. Quintana, B. Burkett, J. Kelly, E. Jeffrey, Yan Yang, Anthony Yu, K. Arya, R. Barends, Zijun Chen, B. Chiaro, A. Dunsworth, A. Fowler, C. Gidney, M. Giustina, T. Huang, P. Klimov, M. Neeley, C. Neill, P. Roushan, D. Sank, A. Vainsencher, J. Wenner, T.C. White, John M. Martinis Submitted (2017). QST | PDF | arXiv:1708.04270
Reverse isolation and backaction of the SLUG microwave amplifier T. Thorbeck, S. Zhu, E. Leonard Jr., R. Barends, J. Kelly, John M. Martinis, R. McDermott Submitted (2017). PDF | arXiv:1705.01687
Characterizing Quantum Supremacy in Near-Term Devices Sergio Boixo, Sergei V. Isakov, Vadim N. Smelyanskiy, Ryan Babbush, Nan Ding, Zhang Jiang, John M. Martinis, Hartmut Neven Submitted (2016). PDF | arXiv:1608.00263 | New Scientist
Scalable extraction of error models from the output of error detection circuits Austin G. Fowler, D. Sank, J. Kelly, R. Barends, John M. Martinis Submitted (2014). PDF | arXiv:1405.1454
Spectroscopic signatures of localization with interacting photons in superconducting qubits P. Roushan, C. Neill, J. Tangpanitanon, V. M. Bastidas, A. Megrant, R. Barends, Y. Chen, Z. Chen, B. Chiaro, A. Dunsworth, A. Fowler, B. Foxen, M. Giustina, E. Jeffrey, J. Kelly, E. Lucero, J. Mutus, M. Neeley, C. Quintana, D. Sank, A. Vainsencher, J. Wenner, T. White, H. Neven, D. G. Angelakis, J. Martinis Science 358, Issue 6367, 1175-1179 (2017). Science | PDF | arXiv:1790.07108 | UCSB Current | EurekAlert
Characterization and Reduction of Capacitive Loss Induced by Sub-Micron Josephson Junction Fabrication in Superconducting Qubits 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 APL 111, 022601 (2017). APL | PDF | arXiv:1706.00879
Tunable inductive coupling of superconducting qubits in the strongly nonlinear regime Dvir Kafri, Chris Quintana, Yu Chen, Alireza Shabani, John M. Martinis, Hartmut Neven PRA 95, 052333 (2017). PRA | PDF | arXiv:1606.08382
Commercialize quantum technologies in five years Masoud Mohseni, Peter Read, Hartmut Neven, Sergio Boixo, Vasil Denchev, Ryan Babbush, Austin Fowler, Vadim Smelyanskiy, John Martinis Nature 543, 171-174 (2017). Nature | PDF (Nature)
Chiral groundstate currents of interacting photons in a synthetic magnetic field 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 Nature Physics 13, 146-151 (2017). Nature Physics | PDF (Nature Physics) | PDF | arXiv:1606.00077 | Supplement: PDF (Nature Physics) | UCSB Press Release | Nature Physics News and Views
Observation of classical-quantum crossover of 1/f flux noise and its paramagnetic temperature dependence 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 PRL 118, 057702 (2017). PRL | PDF | arXiv:1608.08752 | Supplement: PDF

2016

Measurement-induced state transitions in a superconducting qubit: Beyond the rotating wave approximation 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 PRL 117, 190503 (2016). PRL | PDF | arXiv:1606.05721 | Supplement: PDF
Ergodic dynamics and thermalization in an isolated quantum system C. Neill, P. Roushan, M. Fang, Y. Chen, M. Kolodrubetz, Z. Chen, A. Megrant, R. Barends, B. Campbell, B. Chiaro, A. Dunsworth, E. Jeffrey, J. Kelly, J. Mutus, P. J. J. O'Malley, C. Quintana, D. Sank, A. Vainsencher, J. Wenner, T. C. White, A. Polkovnikov, J. M. Martinis Nature Physics 12, 1037-1041 (2016). Nature Physics | PDF (Nature Physics) | PDF | arXiv:1601.00600 | Supplement: PDF (Nature Physics) | UCSB Press Release
Scalable in-situ qubit calibration during repetitive error detection 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 PRA 94, 032321 (2016). PRA | PDF | arXiv:1603.03082
What is the Computational Value of Finite-Range Tunneling? Vasil S. Denchev, Sergio Boixo, Sergei V. Isakov, Nan Ding, Ryan Babbush, Vadim Smelyanskiy, John Martinis, Hartmut Neven PRX 6, 031015 (2016). PRX | PDF | arXiv:1512.02206
Scalable Quantum Simulation of Molecular Energies 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 PRX 6, 031007 (2016). PRX | PDF | arXiv:1512.06860 | Google Research Blog
Dielectric surface loss in superconducting resonators with flux-trapping holes B. Chiaro, A. Megrant, A. Dunsworth, Z. Chen, R. Barends, B. Campbell, Y. Chen, A. Fowler, I.C. Hoi, E. Jeffrey, J. Kelly, J. Mutus, C. Neill, P. J. J. O'Malley, C. Quintana, P. Roushan, D. Sank, A. Vainsencher, J. Wenner, T. C. White, and John M. Martinis SUST 29, 10 (2016). SUST | PDF | arXiv:1607.05841
Digitized adiabatic quantum computing with a superconducting circuit 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 Nature 534, 222-226 (2016). Nature | PDF (Nature) | PDF | arXiv:1511.03316 | Supplement: PDF (Nature) | Google Research Blog | Nature News | AIP Inside Science | IOP Physics World | University of Basque Country Press Release | PC World
Preserving entanglement during weak measurement demonstrated with a violation of the Bell–Leggett–Garg inequality T.C. White, J.Y. Mutus, J. Dressel, J. Kelly, R. Barends, E. Jeffrey, D. Sank, A. Megrant, B. Campbell, Yu Chen, Z. Chen, B. Chiaro, A. Dunsworth, I.-C. Hoi, C. Neill, P.J.J. O'Malley, P. Roushan, A. Vainsencher, J. Wenner, A. N. Korotkov, John M. Martinis npj Quantum Information 2, 15022 (2016). npj Quantum Information | PDF | arXiv:1504.02707 | Supplement: PDF
Demonstration of gate control of spin splitting in a high-mobility InAs/AlSb two-dimensional electron gas B. Shojaei, P. J. J. O'Malley, J. Shabani, P. Roushan, B. D. Schultz, R. M. Lutchyn, C. Nayak, J. M. Martinis, C. J. Palmstrøm PRB 93, 075302 (2016). PRB | PDF
Measuring and Suppressing Quantum State Leakage in a Superconducting Qubit Zijun Chen, Julian Kelly, Chris Quintana, R. Barends, B. Campbell, Yu Chen, B. Chiaro, A. Dunsworth, A. G. 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 PRL 116, 020501 (2016). PRL | PDF | arXiv:1509.05470 | Supplement: PDF

2015

Quantum Delayed-Choice Experiment with a Beam Splitter in a Quantum Superposition Shi-Biao Zheng, You-Peng Zhong, Kai Xu, Qi-Jue Wang, H. Wang, Li-Tuo Shen, Chui-Ping Yang, John M. Martinis, A. N. Cleland, Si-Yuan Han PRL 115, 240403 (2015). PRL | PDF | arXiv:1403.0203 | Supplement: PDF
Qubit metrology for building a fault-tolerant quantum computer John M. Martinis NPJ Quantum Information 1, 15005 (2015). NPJ Quantum Information | PDF | arXiv:1510.01406
Quantum theory of a bandpass Purcell filter for qubit readout Eyob A. Sete, John M. Martinis, Alexander N. Korotkov PRA 92, 012325 (2015). PRA | PDF | arXiv:1504.06030
Tunable coupler for superconducting Xmon qubits: Perturbative nonlinear model Michael R. Geller, Emmanuel Donate, Yu Chen, Michael T. Fang, Nelson Leung, Charles Neill, Pedram Roushan, John M. Martinis PRA 92, 012320 (2015). PRA | PDF | arXiv:1405.1915
Digital quantum simulation of fermionic models with a superconducting circuit 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 Nature Communications 6, 7654 (2015). Nature Communications | PDF | arXiv:1501.07703 | Supplement: PDF | Google Research Blog
Traveling wave parametric amplifier with Josephson junctions using minimal resonator phase matching 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 APL 106, 242601 (2015). APL | PDF | arXiv:1503.04364 | Supplement: PDF
Universal quantum simulation with prethreshold superconducting qubits: Single-excitation subspace method Michael R. Geller, John M. Martinis, Andrew T. Sornborger, Phillip C. Stancil, Emily J. Pritchett, Hao You, Andrei Galiautdinov PRA 91, 062309 (2015). PRA | PDF | arXiv:1505.04990
Qubit metrology of ultralow phase noise using randomized benchmarking 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 Phys. Rev. Applied 3, 044009 (2015). PRApplied | PDF | arXiv:1411.2613
State preservation by repetitive error detection in a superconducting quantum circuit 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 Nature 519, 66-69 (2015). Nature | PDF (Nature) | PDF | arXiv:1411.7403 | Supplement: PDF (Nature) | New York Times | Wired | IEEE Spectrum | Nanotechweb | Google Research Blog | UCSB Press Release

2014

UCSB final report for the CSQ program: Review of decoherence and materials physics for superconducting qubits John M. Martinis, A. Megrant Submitted (2014). PDF | arXiv:1410.5793
Calculation of Coupling Capacitance in Planar Electrodes John M. Martinis, Rami Barends, Alexander N. Korotkov Submitted (2014). PDF | arXiv:1410.3458
Qubit architecture with high coherence and fast tunable coupling Yu 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. Y. Mutus, P. J. J. O'Malley, C. M. Quintana, D. Sank, A. Vainsencher, J. Wenner, T. C. White, Michael R. Geller, A. N. Cleland, John M. Martinis PRL 113, 220502 (2014). PRL | PDF | arXiv:1402.7367 | Supplement: PDF
Hidden two-qubit dynamics of a four-level Josephson circuit Elisha Svetitsky, Haim Suchowski, Roy Resh, Yoni Shalibo, John M. Martinis, Nadav Katz Nature Communications 5, 5617 (2014). Nature Communications | PDF (Nat. Commun.) | Supplement: PDF (Nat. Commun.)
Observation of topological transitions in interacting quantum circuits P. Roushan, C. Neill, Yu Chen, M. Kolodrubetz, C. Quintana, N. Leung, M. Fang, R. Barends, B. Campbell, Z. Chen, B. Chiaro, A. Dunsworth, E. Jeffrey, J. Kelly, A. Megrant, J. Mutus, P. O'Malley, D. Sank, A. Vainsencher, J. Wenner, T. White, A. Polkovnikov, A. N. Cleland, J. M. Martinis Nature 515, 241-244 (2014). Nature | PDF (Nature) | PDF | arXiv:1407.1585 | Supplement: PDF | PDF (Nature) | Nature News and Views | UCSB Press Release | NSF Science 360
Emulating weak localization using a solid-state quantum circuits 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 Nature Communications 5, 5184 (2014). Nature Communications | PDF (Nat. Commun.) | PDF | arXiv:1403.6808 | Supplement: PDF | PDF (Nat. Commun.)
Compressed sensing quantum process tomography for superconducting quantum gates Andrey V. Rodionov, Andrzej Veitia, R. Barends, J. Kelly, Daniel Sank, J. Wenner, John M. Martinis, Robert L. Kosut, Alexander N. Korotkov PRB 90, 144504 (2014). PRB | PDF | arXiv:1407.0761
Rolling quantum dice with a superconducting qubit 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 PRA 90, 030303(R) (2014). PRA | PDF | arXiv:1406.3364 | Supplement: PDF
Characterization and reduction of microfabrication-induced decoherence in superconducting quantum circuits C. M. Quintana, A. Megrant, Z. Chen, A. Dunsworth, B. Chiaro, R. Barends, B. Campbell, Yu Chen, I.-C. Hoi, E. Jeffrey, J. Kelly, J. Y. Mutus, P. J. J. O'Malley, C. Neill, P. Roushan, D. Sank, A. Vainsencher, J. Wenner, T. C. White, A. N. Cleland, John M. Martinis APL 105, 062601 (2014). APL | PDF | arXiv:1407.4769 | Supplement: PDF
Fast adiabatic qubit gates using only σ_z control John M. Martinis and Michael R. Geller PRA 90, 022307 (2014). PRA | PDF | arXiv:1402.5467
Defining and detecting quantum speedup Troels F. Rønnow, Zhihui Wang, Joshua Job, Sergio Boixo, Sergei V. Isakov, David Wecker, John M. Martinis, Daniel A. Lidar, Matthias Troyer Science 334, 420 (2014). Science | PDF (Science) | PDF | arXiv:1401.2910 | Supplement: (Science) | Science In Depth | NBC News | CNET | Scientific American | Wired | Washington Post | Christian Science Monitor
Strong environmental coupling in a Josephson parametric amplifier J.Y. Mutus, T.C. White, R. Barends, 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, K.M. Sundqvist, A.N. Cleland, John M. Martinis APL 104, 263513 (2014). APL | PDF | arXiv:1401.3799 | Supplement: PDF | IOP Nanotechweb
Optimal quantum control using randomized benchmarking J. Kelly, R. Barends, B. Campbell, Y. Chen, Z. Chen, B. Chiaro, A. Dunsworth, A. G. Fowler, I. Hoi, E. Jeffrey, A. Megrant, J. Mutus, C. Neill, P.J.J. O'Malley, C. Quintana, P. Roushan, D. Sank, A. Vainsencher, J. Wenner, T. C. White, A. N. Cleland, John M. Martinis PRL 112, 240504 (2014). PRL | PDF | arXiv:1403.0035 | Supplement: PDF
Quantum Logic Gates in Superconducting Qubits John M. Martinis Quantum Machines - Measurement and Control of Engineered Quantum Systems (Lecture Notes of the Les Houches Summer School) 96, Chapter 4, pp.257-264 (2014). Book Website | PDF
Catching Time-Reversed Microwave Coherent State Photons with 99.4% Absorption Efficiency J. Wenner, Yi Yin, Yu Chen, R. Barends, B. Chiaro, E. Jeffrey, J. Kelly, A. Megrant, J. Y. Mutus, C. Neill, P. J. J. O'Malley, P. Roushan, D. Sank, A. Vainsencher, T. C. White, Alexander N. Korotkov, A. N. Cleland, John M. Martinis PRL 112, 210501 (2014). PRL | PDF | arXiv:1311.1180 | Supplement: PDF
Fast accurate state measurement with superconducting qubits Evan Jeffrey, Daniel Sank, J.Y. Mutus, T.C. 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.N. Cleland, John M. Martinis PRL 112, 190504 (2014). PRL | PDF | arXiv:1401.0257 | Supplement: PDF
Superconducting quantum circuits at the surface code threshold for fault tolerance R. Barends, J. Kelly, A. Megrant, A. Veitia, D. Sank, E. Jeffrey, T. C. White, J. Mutus, A. G. Fowler, B. Campbell, Y. Chen, Z. Chen, B. Chiaro, A. Dunsworth, C. Neill, P. O'Malley, P. Roushan, A. Vainsencher, J. Wenner, A. N. Korotkov, A. N. Cleland, John M. Martinis Nature 508, 500-503 (2014). Nature | PDF (Nature) | PDF | arXiv:1402.4848 | Supplement: Nature | Christian Science Monitor | IEEE Spectrum | Cond. Mat. Journal Club, PDF | International Business Times | EE Journal | Science News | Photonics Spectra | Techfragments | UCSB Press Release
High Fidelity Qubit Readout with the Superconducting Low-Inductance Undulatory Galvanometer Microwave Amplifier D. Hover, S. Zhu, T. Thorbeck, G.J. Ribeill, D. Sank, J. Kelly, R. Barends, John M. Martinis, R. McDermott APL 104, 152601 (2014). APL | PDF | arXiv:1312.7579
Quantifying the effects of local many-qubit errors and non-local two-qubit errors on topological codes Austin G. Fowler and John M. Martinis PRA 89, 032316 (2014). PRA | PDF | arXiv:1401.2466
Evidence for quantum annealing with more than one hundred qubits Sergio Boixo, Troels F. Rønnow, Sergei V. Isakov, Zhihui Wang, David Wecker, Daniel A. Lidar, John M. Martinis, Matthias Troyer Nature Physics 10, 218-224 (2014). Nature Physics | PDF (Nature Physics) | PDF | arXiv:1304.4595 | Supplement: PDF (Nature Physics) | Nature News and Views
Fabrication and Characterization of Aluminum Airbridges for Superconducting Microwave Circuits Zijun Chen, A. Megrant, J. Kelly, R. Barends, J. Bochmann, Yu Chen, B. Chiaro, A. Dunsworth, E. Jeffrey, J.Y. Mutus, P.J.J. O'Malley, C. Neill, P. Roushan, D. Sank, A. Vainsencher, J. Wenner, T.C. White, A.N. Cleland, John M. Martinis APL 104, 052602 (2014). APL | PDF | arXiv:1310.2325 | Supplement: PDF
Reducing the impact of intrinsic dissipation in a superconducting circuit by quantum error detection Y. P. Zhong, Z. L. Wang, J. M. Martinis, A. N. Cleland, A. N. Korotkov, H. Wang Nature Communications 5, 3135 (2014). Nature Communications | PDF (Nat. Commun.) | PDF | arXiv:1309.0198 | Supplement: PDF (Nat. Commun.)
Room temperature deposition of sputtered TiN films for superconducting coplanar waveguide resonators S. Ohya, B. Chiaro, A. Megrant, C. Neill, R. Barends, Y. Chen, J. Kelly, D. Low, J. Mutus, P. J. J. O'Malley, P. Roushan, D. Sank, A. Vainsencher, J. Wenner, T. C. White, Y. Yin, B. D. Schultz, C. J. Palmstrøm, B. A. Mazin, A. N. Cleland, John M. Martinis SUST 27, 015009 (2014). SUST | PDF | arXiv:1306.2966

2013

Understanding the effects of leakage in superconducting quantum-error-detection circuits Joydip Ghosh, Austin G. Fowler, John M. Martinis, Michael R. Geller PRA 88, 062329 (2013). PRA | PDF | arXiv:1306.0925
Design and characterization of a lumped element single-ended superconducting microwave parametric amplifier with on-chip flux bias line J.Y. Mutus, T.C. White, E. Jeffrey, D. Sank, R. Barends, J. Bochmann, Yu Chen, Z. Chen, B. Chiaro, A. Dunsworth, J. Kelly, A. Megrant, C. Neill, P.J.J. O'Malley, P. Roushan, A. Vainsencher, J. Wenner, I. Siddiqi, R. Vijay, A.N. Cleland, John M. Martinis APL 103, 122602 (2013). APL | PDF | arXiv:1308.1376
DAC-board based X-band EPR Spectrometer with Arbitrary Waveform Control Thomas Kaufmann, Timothy J. Keller, John M. Franck, Ryan P. Barnes, Steffen J. Glaser, John M. Martinis, Songi Han Journal of Magnetic Resonance 235, 95-108 (2013). JMR | PDF
Coherent Josephson qubit suitable for scalable quantum integrated circuits 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 PRL 111, 080502 (2013). PRL | PDF | arXiv:1304.2322 | Supplement: PDF
Fluctuations from edge defects in superconducting resonators C. Neill, A. Megrant, R. Barends, Yu Chen, B. Chiaro, J. Kelly, J. Y. Mutus, P. J. J. O'Malley, D. Sank, J. Wenner, T. C. White, Yi Yin, A. N. Cleland, John M. Martinis APL 103, 072601 (2013). APL | PDF | arXiv:1306.3718
Catch-disperse-release readout for superconducting qubits Eyob A. Sete, Andrei Galiautdinov, Eric Mlinar, John M. Martinis, Alexander N. Korotkov PRL 110, 210501 (2013). PRL | PDF | arXiv:1302.7020
Quantum state characterization of a fast tunable superconducting resonator Z. L. Wang, Y. P. Zhong, L. J. He, H. Wang, John M. Martinis, A. N. Cleland, Q. W. Xie APL 102, 163503 (2013). APL | PDF
Excitation of superconducting qubits from hot nonequilibrium quasiparticles J. Wenner, Yi Yin, Erik Lucero, R. Barends, Yu Chen, B. Chiaro, J. Kelly, M. Lenander, Matteo Mariantoni, A. Megrant, C. Neill, P. J. J. O'Malley, D. Sank, A. Vainsencher, H. Wang, T. C. White, A. N. Cleland, John M. Martinis PRL 110, 150502 (2013). PRL | PDF | arXiv:1209.1674 | Supplement: PDF
Direct Wigner tomography of a superconducting anharmonic oscillator Yoni Shalibo, Roy Resh, Ofer Fogel, David Shwa, Radoslaw Bialczak, John M. Martinis, Nadav Katz PRL 110, 100404 (2013). PRL | PDF | arXiv:1208.2441 | Supplement: PDF
Catch and release of microwave photon states Yi Yin, Yu Chen, Daniel Sank, P. J. J. O'Malley, T. C. White, R. Barends, J. Kelly, Erik Lucero, Matteo Mariantoni, A. Megrant, C. Neill, A. Vainsencher, J. Wenner, Alexander N. Korotkov, A. N. Cleland, John M. Martinis PRL 110, 107001 (2013). PRL | PDF | arXiv:1208.2950 | Supplement: PDF | Physics: Viewpoint
High-fidelity controlled-σ^Z gate for resonator-based superconducting quantum computers Joydip Ghosh, Andrei Galiautdinov, Zhongyuan Zhou, Alexander N. Korotkov, John M. Martinis, Michael R. Geller PRA 87, 022309 (2013). PRA | PDF | arXiv:1301.1719

2012

Multiplexed dispersive readout of superconducting phase qubits Yu Chen, D. Sank, P. O'Malley, T. White, R. Barends, B. Chiaro, J. Kelly, E. Lucero, M. Mariantoni, A. Megrant, C. Neill, A. Vainsencher, J. Wenner, Y. Yin, A. N. Cleland, John M. Martinis APL 101, 182601 (2012). APL | PDF | arXiv:1209.1781
Surface codes: Towards practical large-scale quantum computation Austin G. Fowler, Matteo Mariantoni, John M. Martinis, Andrew N. Cleland PRA 86, 032324 (2012). PRA | PDF | arXiv:1208.0928
Computing prime factors with a Josephson phase qubit quantum processor Erik 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, John M. Martinis Nature Physics 8, 719-723 (2012). Nature Physics | PDF (Nature Physics) | PDF | arXiv:1202.5707
Flux noise probed with real time qubit tomography in a Josephson phase qubit Daniel Sank, R. Barends, Radoslaw C. Bialczak, Yu Chen, J. Kelly, M. Lenander, E. Lucero, Matteo Mariantoni, A. Megrant, M. Neeley, P.J.J. O'Malley, A. Vainsencher, H. Wang, J. Wenner, T.C. White, T. Yamamoto, Yi Yin, A.N. Cleland, John M. Martinis PRL 109, 067001 (2012). PRL | PDF | arXiv:1111.2890 | Supplement: PDF
Resonator-zero-qubit architecture for superconducting qubits Andrei Galiautdinov, Alexander N. Korotkov, John M. Martinis PRA 85, 042321 (2012). PRA | PDF | arXiv:1105.3997
Planar Superconducting Resonators with Internal Quality Factors above One Million A. Megrant, C. Neill, R. Barends, B. Chiaro, Yu Chen, L. Feigl, J. Kelly, Erik Lucero, Matteo Mariantoni, P. J. J. O'Malley, D. Sank, A. Vainsencher, J. Wenner, T. C. White, Y. Yin, J. Zhao, C. J. Palmstrøm, John M. Martinis, A. N. Cleland APL 100, 113510 (2012). APL | PDF | arXiv:1201.3384
Dynamic quantum Kerr effect in circuit quantum electrodynamics Yi Yin, H. Wang, M. Mariantoni, Radoslaw C. Bialczak, R. Barends, Y. Chen, M. Lenander, Erik Lucero, M. Neeley, A. D. O'Connell, D. Sank, M. Weides, J. Wenner, T. Yamamoto, J. Zhao, A. N. Cleland, John M. Martinis PRA 85, 023826 (2012). PRA | PDF | arXiv:1112.2458
Quantum and Classical Chirps in an Anharmonic Oscillator Yoni Shalibo, Ya'ara Rofe, Ido Barth, Lazar Friedland, Radoslaw Bialczack, John M. Martinis, Nadav Katz PRL 108, 037701 (2012). PRL | PDF | arXiv:1107.5526

2011

Precision Metrology at the University of Western Australia Michael E. Tobar, Eugene N. Ivanov, Daniel L. Creedon, Jean-Michel le Floch, Karim Benmessai, Yaohui Fan, Warrick Farr, Yarema Reshitnyk, Timothy L. Duty, John M. Martinis Proceedings of the Asia-Pacific Microwave Conference 2011, 586-589 (2011). IEEE
Implementing the Quantum von Neumann Architecture with Superconducting Circuits Matteo Mariantoni, H. Wang, T. Yamamoto, M. Neeley, Radoslaw C. Bialczak, Y. Chen, M. Lenander, Erik Lucero, A. D. O�Connell, D. Sank, M. Weides, J. Wenner, Y. Yin, J. Zhao, A. N. Korotkov, A. N. Cleland, John M. Martinis Science 334, 61 (2011). Science | PDF (Science) | PDF | arXiv:1109.3743 | Supplement: Science | IEEE Spectrum | Science Perspective | Forbes | Science Japan | Physics World | Physics World Top 10 Breakthrough
Surface loss simulations of superconducting coplanar waveguide resonators J. Wenner, R. Barends, R. C. Bialczak, Yu Chen, J. Kelly, Erik Lucero, Matteo Mariantoni, A. Megrant, P. J. J. O'Malley, D. Sank, A. Vainsencher, H. Wang, T. C. White, Y. Yin, J. Zhao, A. N. Cleland, John M. Martinis APL 99, 113513 (2011). APL | PDF | arXiv:1107.4698 | Supplement: PDF
Minimizing quasiparticle generation from stray infrared light in superconducting quantum circuits R. Barends, J. Wenner, M. Lenander, Y. Chen, R. C. Bialczak, J. Kelly, E. Lucero, P. O'Malley, M. Mariantoni, D. Sank, H. Wang, T. C. White, Y. Yin, J. Zhao, A. N. Cleland, John M. Martinis, J. J. A. Baselmans APL 99, 113507 (2011). APL | PDF | arXiv:1105.4642
Measurement of energy decay in superconducting qubits from nonequilibrium quasiparticles M. Lenander, H. Wang, Radoslaw C. Bialczak, Erik Lucero, Matteo Mariantoni, M. Neeley, A. D. O'Connell, D. Sank, M. Weides, J. Wenner, T. Yamamoto, Y. Yin, J. Zhao, A. N. Cleland, John M. Martinis PRB 84, 024501 (2011). PRB | PDF | arXiv:1101.0862 | Erratum: PDF
High Q-factor sapphire whispering gallery mode microwave resonator at single photon energies and millikelvin temperatures Daniel L. Creedon, Yarema Reshitnyk, Warrick Farr, John M. Martinis, Timothy L. Duty, Michael E. Tobar APL 98, 222903 (2011). APL | PDF | arXiv:1103.6094
Wirebond crosstalk and cavity modes in large chip mounts for superconducting qubits J. Wenner, M. Neeley, Radoslaw C. Bialczak, M. Lenander, Erik Lucero, A. D. O'Connell, D. Sank, H. Wang, M. Weides, A. N. Cleland, John M Martinis Superconductor Science and Technology 24, 065001 (2011). SUST | PDF | arXiv:1011.4982
Photon shell game in three-resonator circuit quantum electrodynamics Matteo Mariantoni, H. Wang, Radoslaw C. Bialczak, M. Lenander, Erik Lucero, M. Neeley, A. D. O'Connell, D. Sank, M. Weides, J. Wenner, T. Yamamoto, Y. Yin, J. Zhao, John M. Martinis, A. N. Cleland Nature Physics 7, 287-293 (2011). Nature Physics | PDF (Nature Physics) | PDF | arXiv:1011.3080 | Supplement: Nature Physics
Phase qubits fabricated with trilayer junctions M. Weides, R. C. Bialczak, M. Lenander, E. Lucero, Matteo Mariantoni, M. Neeley, A. D. O'Connell, D. Sank, H. Wang, J. Wenner, T. Yamamoto, Y. Yin, A. N. Cleland, J. Martinis Superconductor Science and Technology 24, 055005 (2011). SUST | PDF | arXiv:1101.0232
Fast tunable coupler for superconducting qubits R. C. Bialczak, M. Ansmann, M. Hofheinz, M. Lenander, E. Lucero, M. Neeley, A. D. O'Connell, D. Sank, H. Wang, M. Weides, J. Wenner, T. Yamamoto, A. N. Cleland, J. M. Martinis PRL 106, 060501 (2011). PRL | PDF | arXiv:1007.2219 | Supplement: PDF
Deterministic entanglement of photons in two superconducting microwave resonators H. Wang, Matteo Mariantoni, Radoslaw C. Bialczak, M. Lenander, Erik Lucero, M. Neeley, A. O'Connell, D. Sank, M. Weides, J. Wenner, T. Yamamoto, Y. Yin, J. Zhao, John M. Martinis, A. N. Cleland PRL 106, 060401 (2011). PRL | PDF | arXiv:1011.2862 | Supplement: PDF | Physics: Viewpoint

2010

Quantum process tomography of two-qubit controlled-Z and controlled-NOT gates using superconducting phase qubits T. Yamamoto, M. Neeley, E. Lucero, R. C. Bialczak, J. Kelly, M. Lenander, Matteo Mariantoni, A. D. O'Connell, D. Sank, H. Wang, M. Weides, J. Wenner, Y. Yin, A. N. Cleland, John M. Martinis PRB 82, 184515 (2010). PRB | PDF | arXiv:1006.5084
Reduced phase error through optimized control of a superconducting qubit Erik Lucero, Julian Kelly, Radoslaw C. Bialczak, Mike Lenander, Matteo Mariantoni, Matthew Neeley, A. D. O'Connell, Daniel Sank, H. Wang, Martin Weides, James Wenner, Tsuyoshi Yamamoto, A. N. Cleland, John M. Martinis PRA 82, 042339 (2010). PRA | PDF | arXiv:1007.1690
Lifetime and Coherence of Two-Level Defects in a Josephson Junction Yoni Shalibo, Ya'ara Rofe, David Shwa, Felix Zeides, Matthew Neeley, John M. Martinis, Nadav Katz PRL 105, 177001 (2010). PRL | PDF | arXiv:1007.2577 | Supplement: PDF
Analysis of a tunable coupler for superconducting phase qubits Ricardo A. Pinto, Alexander N. Korotkov, Michael R. Geller, Vitaly S. Shumeiko, John M. Martinis PRB 82, 104522 (2010). PRB | PDF | arXiv:1006.3351
Generation of Three-Qubit Entangled States using Superconducting Phase Qubits Matthew Neeley, Radoslaw C. Bialczak, M. Lenander, E. Lucero, Matteo Mariantoni, A. D. O'Connell, D. Sank, H. Wang, M. Weides, J. Wenner, Y. Yin, T. Yamamoto, A. N. Cleland, John M. Martinis Nature 467, 570-573 (2010). Nature | PDF (Nature) | PDF | arXiv:1004.4246 | Supplement: Nature | Physics World | Nature News in Focus
Quantum Process Tomography of a Universal Entangling Gate Implemented with Josephson Phase Qubits R. C. Bialczak, M. Ansmann, M. Hofheinz, E. Lucero, M. Neeley, A. D. O'Connell, D. Sank, H. Wang, J. Wenner, M. Steffen, A. N. Cleland, J. M. Martinis Nature Physics 6, 409-413 (2010). Nature Physics | PDF (Nature Physics) | PDF | arXiv:0910.1118 | Supplement: Nature Physics
Quantum ground state and single-phonon control of a mechanical resonator A. D. O'Connell, M. Hofheinz, M. Ansmann, Radoslaw C. Bialczak, M. Lenander, Erik Lucero, M. Neeley, D. Sank, H. Wang, M. Weides, J. Wenner, John M. Martinis, A. N. Cleland Nature 464, 697-703 (2010). Nature | PDF (Nature) | PDF | Supplement: Nature | PDF | Nature writeup | NPR | BBC | Cond. Mat. Journal Club, PDF | Physics World | Physics World Top 10 Breakthrough | Science Breakthrough of the Year
Quantum logic with weakly coupled qubits Michael R. Geller, Emily J. Pritchett, Andrei Galiautdinov, and John M. Martinis PRA 81, 012320 (2010). PRA | PDF | arXiv:0906.5209

2009

Decoherence Dynamics of Complex Photon States in a Superconducting Circuit H. Wang, M. Hofheinz, M. Ansmann, R. C. Bialczak, Erik Lucero, M. Neeley, A. D. O'Connell, D. Sank, M. Weides, J. Wenner, A. N. Cleland, John M. Martinis PRL 103, 200404 (2009). PRL | PDF | arXiv:0909.4585
Improving the Coherence Time of Superconducting Coplanar Resonators H. Wang, M. Hofheinz, J. Wenner, M. Ansmann, R. C. Bialczak, M. Lenander, E. Lucero, M. Neeley, A. D. O'Connell, D. Sank, M. Weides, A. N. Cleland, John M. Martinis APL 95, 233508 (2009). APL | PDF | arXiv:0909.0547 | Supplement: PDF
Violation of Bell's inequality in Josephson phase qubits Markus Ansmann, H. Wang, Radoslaw C. Bialczak, Max Hofheinz, Erik Lucero, M. Neeley, A. D. O'Connell, D. Sank, M. Weides, J. Wenner, A. N. Cleland, John M. Martinis Nature 461, 504-506 (2009). Nature | PDF (Nature) | PDF | Supplement: Nature | PDF | ScienceNews
Energy Decay in Josephson Qubits from Non-equilibrium Quasiparticles John M. Martinis, M. Ansmann, J. Aumentado PRL 103, 097002 (2009). PRL | PDF | arXiv:0904.2171 | Supplement: arXiv:0904.2035 | PDF
Emulation of a Quantum Spin with a Superconducting Phase Qudit Matthew Neeley, Markus Ansmann, Radoslaw C. Bialczak, Max Hofheinz, Erik Lucero, Aaron D. O'Connell, Daniel Sank, Haohua Wang, James Wenner, Andrew N. Cleland, Michael R. Geller, John M. Martinis Science 325, 722 (2009). Science | PDF (Science) | PDF | Supplement: Science (PDF) | PDF | Science Perspective
Synthesizing arbitrary quantum states in a superconducting resonator Max Hofheinz, H. Wang, M. Ansmann, Radoslaw C. Bialczak, Erik Lucero, M. Neeley, A. D. O'Connell, D. Sank, J. Wenner, John M. Martinis, A. N. Cleland Nature 459, 546-549 (2009). Nature | PDF (Nature) | PDF | Supplement: PDF (Nature) | Nature News and Views
Quantum gate design: A perspective Michael R. Geller, Emily J. Pritchett, Andrei Galiaudinov, John M. Martinis Phys. Status Solidi B 246, 972-974 (2009). Phys. Status Solidi B
Saturation of two-level systems and charge noise in Josephson junction qubits Magdalena Constantin, Clare C. Yu, John M. Martinis PRB 79, 094520 (2009). PRB | PDF | arXiv:0810.1334
Microwave response of vortices in superconducting thin films of Re and Al C. Song, T. W. Heitmann, M. P. DeFeo, K. Yu, R. McDermott, M. Neeley, John M. Martinis, B. L. T. Plourde PRB 79, 174512 (2009). PRB | PDF | arXiv:0812.3645
Superconducting Phase Qubits John M. Martinis Quantum Information Processing 8, 81 (2009). QIP | PDF
Josephson phase qubit circuit for the evaluation of advanced tunnel barrier materials Jeffrey S. Kline, Haohua Wang, Seongshik Oh, John M. Martinis, David P. Pappas Superconductor Science and Technology 22, 015004 (2009). SST | PDF

2008

Measurement of the decay of Fock states in a superconducting quantum circuit H. Wang, M. Hofheinz, M. Ansmann, R. C. Bialczak, E. Lucero, M. Neeley, A. D. O'Connell, D. Sank, J. Wenner, A. N. Cleland, John M. Martinis PRL 101, 240401 (2008). PRL | PDF | arXiv:0808.3279 | Physics Viewpoint
Generation of Fock states in a superconducting quantum circuit Max Hofheinz, E. M. Weig, M. Ansmann, Radoslaw C. Bialczak, Erik Lucero, M. Neeley, A. D. O'Connell, H. Wang, John M. Martinis, A. N. Cleland Nature 454, 310-314 (2008). Nature | PDF (Nature) | PDF | Cond. Mat. Journal Club, PDF
Reversal of the Weak Measurement of a Quantum State in a Superconducting Phase Qubit Nadav Katz, Matthew Neeley, M. Ansmann, Radoslaw C. Bialczak, M. Hofheinz, Erik Lucero, A. O'Connell, H. Wang, A. N. Cleland, John M. Martinis, Alexander N. Korotkov PRL 101, 200401 (2008). | PRL | PDF | arxiv:0806.3547 | Physics Viewpoint | Nature News
Maximally entangling tripartite protocols for Josephson phase qubits Andrei Galiautdinov and J. M. Martinis PRA 78, 010305(R) (2008). PRA | PDF | arXiv:0804.3159
Process tomography of quantum memory in a Josephson-phase qubit coupled to a two-level state Matthew Neeley, M. Ansmann, Radoslaw C. Bialczak, M. Hofheinz, N. Katz, Erik Lucero, A. O'Connell, H. Wang, A. N. Cleland, John M. Martinis Nature Physics 4, 523-526 (2008). Nature Physics | PDF (Nature) | PDF
A semi-empirical model for two-level system noise in superconducting microresonators Jiansong Gao, Miguel Daal, John M. Martinis, Benjamin A. Mazin, Peter K. Day, Henry G. Leduc, Anastasios Vayonakis, Bernard Sadoulet, Jonas Zmuidzinas APL 92, 212504 (2008). APL | PDF | arXiv:0804.0467
Microwave Dielectric Loss at Single Photon Energies and milliKelvin Temperatures Aaron D. O'Connell, M. Ansmann, R. C. Bialczak, M. Hofheinz, N. Katz, Erik Lucero, C. McKenney, M. Neeley, H. Wang, E. M. Weig, A. N. Cleland, J. M. Martinis APL 92, 112903 (2008). APL | PDF | arXiv:0802.2404
Magnetism in SQUIDs at Millikelvin Temperatures S. Sendelbach, D. Hover, A. Kittel, M. Mück, John M. Martinis, R. McDermott Phys. Rev. Lett. 100, 227006 (2008). PRL | PDF | arXiv:0802.1518 | calculations: PDF | arXiv:0802.1511
High-fidelity gates in a Josephson qubit Erik Lucero, M. Hofheinz, M. Ansmann, Radoslaw C. Bialczak, N. Katz, Matthew Neeley, A.D. O'Connell, H. Wang, A. N. Cleland, John M. Martinis Phys. Rev. Lett. 100, 247001 (2008). PRL | PDF | arXiv:0802.0903
Transformed Dissipation in Superconducting Quantum Circuits Matthew Neeley, M. Ansmann, Radoslaw C. Bialczak, M. Hofheinz, N. Katz, Erik Lucero, A. O'Connell, H. Wang, A. N. Cleland, John M. Martinis Phys. Rev. B 77, 180508(R) (2008). PRB | PDF | arXiv:0801.2994

2007

1/f Flux Noise in Josephson Phase Qubits Radoslaw C. Bialczak, R. McDermott, M. Ansmann, M. Hofheinz, N. Katz, Erik Lucero, Matthew Neeley, A.D. O'Connell, H. Wang, A. N. Cleland, John M. Martinis Phys. Rev. Lett. 99, 187006 (2007). PRL | PDF | arXiv:0708.2125
Temperature dependence of coherent oscillations in Josephson phase qubits J. Lisenfeld, A. Lukashenko, M. Ansmann, J.M. Martinis, A.V. Ustinov Phys. Rev. Lett. 99, 170504 (2007). PRL | PDF
Theoretical analysis of measurement crosstalk for coupled Josephson phase qubits Abraham G. Kofman, Qin Zhang, John M. Martinis, Alexander N. Korotkov Phys. Rev. B 75, 014524 (2007). PRB | PDF

2006

Measurement of the Entanglement of Two Superconducting Qubits via State Tomography Matthias Steffen, M. Ansmann, Radoslaw C. Bialczak, N. Katz, Erik Lucero, R. McDermott, Matthew Neeley, E. M. Weig, A. N. Cleland, John M. Martinis Science 313, Issue 5792, 1423-1425 (2006). Science | PDF (Science) | PDF | Supplemental Material | Physics World | Science Perspective
Coherent state evolution in a superconducting qubit from partial-collapse measurement N. Katz, M. Ansmann, Radoslaw C. Bialczak, Erik Lucero, R. McDermott, Matthew Neeley, Matthias Steffen, E. M. Weig, A. N. Cleland, John M. Martinis, A. N. Korotkov Science 312, Issue 5779, 1498-1500 (2006). Science | PDF (Science) | PDF | Supplemental Material
State tomography of capacitively shunted phase qubits with high fidelity Matthias Steffen, M. Ansmann, R. McDermott, N. Katz, Radoslaw C. Bialczak, Erik Lucero, Matthew Neeley, E.M. Weig, A.N. Cleland, John M. Martinis Phys. Rev. Lett. 97, 050502 (2006). PRL | PDF | arxiv:cond-mat/0602432
Analysis of measurement errors for a superconducting phase qubit Qin Zhang, Abraham G. Kofman, John M. Martinis, Alexander N. Korotkov Phys. Rev. B 74, 214518 (2006). PRB | PDF | arxiv:cond-mat/0607385

2005

Low-Leakage Superconducting Tunnel Junctions with a Single-Crystal Al₂O₃ Barrier S. Oh, K. Cicak, R. McDermott, K.B. Cooper, K.D. Osborn, R.W. Simmonds, M. Steffen, J.M. Martinis, D.P. Pappas Superconductor Science and Technology, Vol 18, 1396 (2005). SST | PDF
Decoherence in Josephson Qubits from Dielectric Loss John M. Martinis, K.B. Cooper, R. McDermott, Matthias Steffen, Markus Ansmann, K. Osborn, K. Cicak, S. Oh, D.P. Pappas. R.W. Simmonds, Clare C. Yu Phys. Rev. Lett. 95, 210503 (2005). PRL | PDF | arxiv:cond-mat/0507622
Simultaneous state measurement of coupled Josephson phase qubits R. McDermott, R.W. Simmonds, M. Steffen, K.B. Cooper, K. Cicak, K. Osborn, S. Oh, D.P. Pappas, J.M. Martinis Science 307, Issue 5713, 1299-1302 (2005). Science | PDF (Science) | Full Text | PDF
Epitaxial growth of rhenium with sputtering Seongshik Oh, Dustin A. Hite, K. Cicak, Kevin D. Osborn, Raymond W. Simmonds, Robert McDermott, Ken B. Cooper, Matthias Steffen, John M. Martinis, David P. Pappas Thin Solid Films, Vol 496, Issue 2, 389-394 (2005). Thin Solid Films | PDF

2004

Junction Materials Research using Phase Qubits R.W. Simmonds, D.A. Hite, R. McDermott, M. Steffen, K.B. Cooper, K.M. Lang, J.M. Martinis, D.P. Pappas In "Quantum Computing in Solid State Systems" by P. Delsing, C. Granata, Y. Pashkin, B. Ruggiero and P. Silvestrini. New York: Springer (2004). Abstract | PDF
Observation of Quantum Oscillations Between a Josephson Phase Qubit and a Microscopic Resonator Using Fast Readout K. B. Cooper, M. Steffen, R. McDermott, R.W. Simmonds, Seongshik Oh, D.A. Hite, D.P. Pappas, J.M. Martinis Phys. Rev. Lett. 93, 180401 (2004). PRL | PDF | arxiv:cond-mat/0405710
Decoherence in Josephson Phase Qubits from Junction Resonators R.W. Simmonds, K.M. Lang, D.A. Hite, D.P. Pappas, J.M. Martinis Phys. Rev. Lett. 93, 077003 (2004). PRL | PDF | arxiv:cond-mat/0402470
Conducting atomic force microscopy for nanoscale tunnel barrier characterizaton K. M. Lang, D. A. Hite, R. W. Simmonds, R. McDermott, D. P. Pappas, J. M. Martinis Reviews of Scientific Instruments 75, 2726 (2004). RSI | PDF
Critical Field for Complete Vortex Expulsion from Narrow Superconducting Strips G. Stan, S.B. Field, J.M. Martinis Phys. Rev. Lett 92, 097003 (2004). PRL | PDF
Implementing Qubits with Superconducting Integrated Circuits Michel H. Devoret and John M. Martinis Quantum Information Processing vol. 3. (2004). Abstract | PDF
Superconducting Qubits and the Physics of Josephson Junctions John M. Martinis Les Houches Session LXXIX (2003): Quantum Entanglement and Information Processing, 487-520 (2004). Online | PDF | arxiv:cond-mat/0402415

2003

Accurate control of Josephson phase qubits M. Steffen, J.M. Martinis, I.L. Chuang Phys. Rev. B 68, 224518 (2003). PRB | PDF
Banishing Quasiparticles from Josephson-Junction Qubits: Why and How to do it K.M. Lang, S. Nam, J. Aumentado, C. Urbina, John M. Martinis IEEE Transactions on Applied Superconductivity 13, 989 (2003). IEEE | PDF
Decoherence of a Superconducting Qubit from Bias Noise John M. Martinis, S. Nam, J. Aumentado, K.M. Lang, C. Urbina Phys. Rev. B 67, 094510 (2003). PRB | PDF

2002

Rabi Oscillations in a Large Josephson-Junction Qubit John M. Martinis, S. Nam, J. Aumentado, C. Urbina Phys. Rev. Lett. 89, 117901 (2002). PRL | PDF

Copyrights

For articles published in Nature Communications, the online published version on nature.com is the definitive version of record.
Articles published in Physical Review Letters (PRL), Physical Review Applied (PRApplied), Physical Review A (PRA), and Physical Review B (PRB) are copyright by the American Physical Society.
Articles published in Applied Physics Letters (APL) and Reviews of Scientific Instuments are copyright American Institute of Physics. These articles may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in the journal indicated above and may be found at the link indicated by APL or RSI above.
For articles published in Superconductor Science and Technology, this is an author-created, un-copyedited version of an article accepted for publication in Superconductor Science and Technology. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The definitive publisher authenticated version is available online at the link indicated.
For articles published in Quantum Information Processing, the final publication is available at www.springerlink.com.
For articles published in Science, this is the author's version of the work. It is posted here by permission of the AAAS for personal use, not for redistribution. The definitive version was published in Science in the volume indicated above.
For articles published in Thin Solid Films or Journal of Magnetic Resonance (JMR), this is the author's version of a work accepted for publication by Elsevier. Changes resulting from the publishing process, including peer review, editing, corrections, structural formatting and other quality control mechanisms, may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in the journal indicated with citation as indicated above.
Articles published in IEEE Transactions on Applied Superconductivity are copyright IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

Josephson Junction Quantum Computing at UCSB

Collaborator Publications

Papers

2018

2017

2016

2015

2014

2013

2012

2011

2010

2009

2008

2007

2006

2005

2004

2003

2002

Copyrights