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Items: 1 to 50 of 82

1.

Fluctuations of Energy-Relaxation Times in Superconducting Qubits.

Klimov PV, Kelly J, Chen Z, Neeley M, Megrant A, Burkett B, Barends R, Arya K, Chiaro B, Chen Y, Dunsworth A, Fowler A, Foxen B, Gidney C, Giustina M, Graff R, Huang T, Jeffrey E, Lucero E, Mutus JY, Naaman O, Neill C, Quintana C, Roushan P, Sank D, Vainsencher A, Wenner J, White TC, Boixo S, Babbush R, Smelyanskiy VN, Neven H, Martinis JM.

Phys Rev Lett. 2018 Aug 31;121(9):090502. doi: 10.1103/PhysRevLett.121.090502.

PMID:
30230854
2.

A blueprint for demonstrating quantum supremacy with superconducting qubits.

Neill C, Roushan P, Kechedzhi K, Boixo S, Isakov SV, Smelyanskiy V, Megrant A, Chiaro B, Dunsworth A, Arya K, Barends R, Burkett B, Chen Y, Chen Z, Fowler A, Foxen B, Giustina M, Graff R, Jeffrey E, Huang T, Kelly J, Klimov P, Lucero E, Mutus J, Neeley M, Quintana C, Sank D, Vainsencher A, Wenner J, White TC, Neven H, Martinis JM.

Science. 2018 Apr 13;360(6385):195-199. doi: 10.1126/science.aao4309.

PMID:
29650670
3.

Observation of Classical-Quantum Crossover of 1/f Flux Noise and Its Paramagnetic Temperature Dependence.

Quintana CM, Chen Y, Sank D, Petukhov AG, White TC, Kafri D, Chiaro B, Megrant A, Barends R, Campbell B, Chen Z, Dunsworth A, Fowler AG, Graff R, Jeffrey E, Kelly J, Lucero E, Mutus JY, Neeley M, Neill C, O'Malley PJ, Roushan P, Shabani A, Smelyanskiy VN, Vainsencher A, Wenner J, Neven H, Martinis JM.

Phys Rev Lett. 2017 Feb 3;118(5):057702. doi: 10.1103/PhysRevLett.118.057702. Epub 2017 Jan 31.

PMID:
28211704
4.

Measurement-Induced State Transitions in a Superconducting Qubit: Beyond the Rotating Wave Approximation.

Sank D, Chen Z, Khezri M, Kelly J, Barends R, Campbell B, Chen Y, Chiaro B, Dunsworth A, Fowler A, Jeffrey E, Lucero E, Megrant A, Mutus J, Neeley M, Neill C, O'Malley PJ, Quintana C, Roushan P, Vainsencher A, White T, Wenner J, Korotkov AN, Martinis JM.

Phys Rev Lett. 2016 Nov 4;117(19):190503. Epub 2016 Nov 4.

5.

Digitized adiabatic quantum computing with a superconducting circuit.

Barends R, Shabani A, Lamata L, Kelly J, Mezzacapo A, Las Heras U, Babbush R, Fowler AG, Campbell B, Chen Y, Chen Z, Chiaro B, Dunsworth A, Jeffrey E, Lucero E, Megrant A, Mutus JY, Neeley M, Neill C, O'Malley PJ, Quintana C, Roushan P, Sank D, Vainsencher A, Wenner J, White TC, Solano E, Neven H, Martinis JM.

Nature. 2016 Jun 9;534(7606):222-6. doi: 10.1038/nature17658.

PMID:
27279216
6.

Measuring and Suppressing Quantum State Leakage in a Superconducting Qubit.

Chen Z, Kelly J, Quintana C, Barends R, Campbell B, Chen Y, Chiaro B, Dunsworth A, Fowler AG, Lucero E, Jeffrey E, Megrant A, Mutus J, Neeley M, Neill C, O'Malley PJ, Roushan P, Sank D, Vainsencher A, Wenner J, White TC, Korotkov AN, Martinis JM.

Phys Rev Lett. 2016 Jan 15;116(2):020501. doi: 10.1103/PhysRevLett.116.020501. Epub 2016 Jan 13.

PMID:
26824531
7.

Quantum Delayed-Choice Experiment with a Beam Splitter in a Quantum Superposition.

Zheng SB, Zhong YP, Xu K, Wang QJ, Wang H, Shen LT, Yang CP, Martinis JM, Cleland AN, Han SY.

Phys Rev Lett. 2015 Dec 31;115(26):260403. doi: 10.1103/PhysRevLett.115.260403. Epub 2015 Dec 28.

PMID:
26764976
8.

Digital quantum simulation of fermionic models with a superconducting circuit.

Barends R, Lamata L, Kelly J, García-Álvarez L, Fowler AG, Megrant A, Jeffrey E, White TC, Sank D, Mutus JY, Campbell B, Chen Y, Chen Z, Chiaro B, Dunsworth A, Hoi IC, Neill C, O'Malley PJ, Quintana C, Roushan P, Vainsencher A, Wenner J, Solano E, Martinis JM.

Nat Commun. 2015 Jul 8;6:7654. doi: 10.1038/ncomms8654.

9.

State preservation by repetitive error detection in a superconducting quantum circuit.

Kelly J, Barends R, Fowler AG, Megrant A, Jeffrey E, White TC, Sank D, Mutus JY, Campbell B, Chen Y, Chen Z, Chiaro B, Dunsworth A, Hoi IC, Neill C, O'Malley PJ, Quintana C, Roushan P, Vainsencher A, Wenner J, Cleland AN, Martinis JM.

Nature. 2015 Mar 5;519(7541):66-9. doi: 10.1038/nature14270.

PMID:
25739628
10.

Qubit Architecture with High Coherence and Fast Tunable Coupling.

Chen Y, Neill C, Roushan P, Leung N, Fang M, Barends R, Kelly J, Campbell B, Chen Z, Chiaro B, Dunsworth A, Jeffrey E, Megrant A, Mutus JY, O'Malley PJ, Quintana CM, Sank D, Vainsencher A, Wenner J, White TC, Geller MR, Cleland AN, Martinis JM.

Phys Rev Lett. 2014 Nov 28;113(22):220502. Epub 2014 Nov 26.

PMID:
25494061
11.

Hidden two-qubit dynamics of a four-level Josephson circuit.

Svetitsky E, Suchowski H, Resh R, Shalibo Y, Martinis JM, Katz N.

Nat Commun. 2014 Nov 25;5:5617. doi: 10.1038/ncomms6617.

PMID:
25421003
12.

Observation of topological transitions in interacting quantum circuits.

Roushan P, Neill C, Chen Y, Kolodrubetz M, Quintana C, Leung N, Fang M, Barends R, Campbell B, Chen Z, Chiaro B, Dunsworth A, Jeffrey E, Kelly J, Megrant A, Mutus J, O'Malley PJ, Sank D, Vainsencher A, Wenner J, White T, Polkovnikov A, Cleland AN, Martinis JM.

Nature. 2014 Nov 13;515(7526):241-4. doi: 10.1038/nature13891.

PMID:
25391961
13.

Emulating weak localization using a solid-state quantum circuit.

Chen Y, Roushan P, Sank D, Neill C, Lucero E, Mariantoni M, Barends R, Chiaro B, Kelly J, Megrant A, Mutus JY, O'Malley PJ, Vainsencher A, Wenner J, White TC, Yin Y, Cleland AN, Martinis JM.

Nat Commun. 2014 Oct 14;5:5184. doi: 10.1038/ncomms6184.

PMID:
25312575
14.

Quantum computing. Defining and detecting quantum speedup.

Rønnow TF, Wang Z, Job J, Boixo S, Isakov SV, Wecker D, Martinis JM, Lidar DA, Troyer M.

Science. 2014 Jul 25;345(6195):420-4. doi: 10.1126/science.1252319. Epub 2014 Jun 19.

15.

Optimal quantum control using randomized benchmarking.

Kelly J, Barends R, Campbell B, Chen Y, Chen Z, Chiaro B, Dunsworth A, Fowler AG, Hoi IC, Jeffrey E, Megrant A, Mutus J, Neill C, O'Malley PJ, Quintana C, Roushan P, Sank D, Vainsencher A, Wenner J, White TC, Cleland AN, Martinis JM.

Phys Rev Lett. 2014 Jun 20;112(24):240504. Epub 2014 Jun 20.

PMID:
24996075
16.

Fast accurate state measurement with superconducting qubits.

Jeffrey E, Sank D, Mutus JY, White TC, Kelly J, Barends R, Chen Y, Chen Z, Chiaro B, Dunsworth A, Megrant A, O'Malley PJ, Neill C, Roushan P, Vainsencher A, Wenner J, Cleland AN, Martinis JM.

Phys Rev Lett. 2014 May 16;112(19):190504. Epub 2014 May 15.

PMID:
24877923
17.

Superconducting quantum circuits at the surface code threshold for fault tolerance.

Barends R, Kelly J, Megrant A, Veitia A, Sank D, Jeffrey E, White TC, Mutus J, Fowler AG, Campbell B, Chen Y, Chen Z, Chiaro B, Dunsworth A, Neill C, O'Malley P, Roushan P, Vainsencher A, Wenner J, Korotkov AN, Cleland AN, Martinis JM.

Nature. 2014 Apr 24;508(7497):500-3. doi: 10.1038/nature13171.

18.

Reducing the impact of intrinsic dissipation in a superconducting circuit by quantum error detection.

Zhong YP, Wang ZL, Martinis JM, Cleland AN, Korotkov AN, Wang H.

Nat Commun. 2014;5:3135. doi: 10.1038/ncomms4135.

PMID:
24457626
19.

Coherent Josephson qubit suitable for scalable quantum integrated circuits.

Barends R, Kelly J, Megrant A, Sank D, Jeffrey E, Chen Y, Yin Y, Chiaro B, Mutus J, Neill C, O'Malley P, Roushan P, Wenner J, White TC, Cleland AN, Martinis JM.

Phys Rev Lett. 2013 Aug 23;111(8):080502. Epub 2013 Aug 22.

PMID:
24010421
20.

DAC-board based X-band EPR spectrometer with arbitrary waveform control.

Kaufmann T, Keller TJ, Franck JM, Barnes RP, Glaser SJ, Martinis JM, Han S.

J Magn Reson. 2013 Oct;235:95-108. doi: 10.1016/j.jmr.2013.07.015. Epub 2013 Aug 15.

21.

Catch-disperse-release readout for superconducting qubits.

Sete EA, Galiautdinov A, Mlinar E, Martinis JM, Korotkov AN.

Phys Rev Lett. 2013 May 24;110(21):210501. Epub 2013 May 22.

PMID:
23745846
22.

Excitation of superconducting qubits from hot nonequilibrium quasiparticles.

Wenner J, Yin Y, Lucero E, Barends R, Chen Y, Chiaro B, Kelly J, Lenander M, Mariantoni M, Megrant A, Neill C, O'Malley PJ, Sank D, Vainsencher A, Wang H, White TC, Cleland AN, Martinis JM.

Phys Rev Lett. 2013 Apr 12;110(15):150502. Epub 2013 Apr 9.

PMID:
25167235
23.

Catch and release of microwave photon states.

Yin Y, Chen Y, Sank D, O'Malley PJ, White TC, Barends R, Kelly J, Lucero E, Mariantoni M, Megrant A, Neill C, Vainsencher A, Wenner J, Korotkov AN, Cleland AN, Martinis JM.

Phys Rev Lett. 2013 Mar 8;110(10):107001. Epub 2013 Mar 4.

PMID:
23521281
24.

Direct Wigner tomography of a superconducting anharmonic oscillator.

Shalibo Y, Resh R, Fogel O, Shwa D, Bialczak R, Martinis JM, Katz N.

Phys Rev Lett. 2013 Mar 8;110(10):100404. Epub 2013 Mar 5.

PMID:
23521235
25.

Flux noise probed with real time qubit tomography in a Josephson phase qubit.

Sank D, Barends R, Bialczak RC, Chen Y, Kelly J, Lenander M, Lucero E, Mariantoni M, Megrant A, Neeley M, O'Malley PJ, Vainsencher A, Wang H, Wenner J, White TC, Yamamoto T, Yin Y, Cleland AN, Martinis JM.

Phys Rev Lett. 2012 Aug 10;109(6):067001. Epub 2012 Aug 7.

PMID:
23006294
26.

Quantum and classical chirps in an anharmonic oscillator.

Shalibo Y, Rofe Y, Barth I, Friedland L, Bialczack R, Martinis JM, Katz N.

Phys Rev Lett. 2012 Jan 20;108(3):037701. Epub 2012 Jan 19.

PMID:
22400784
27.

Implementing the quantum von Neumann architecture with superconducting circuits.

Mariantoni M, Wang H, Yamamoto T, Neeley M, Bialczak RC, Chen Y, Lenander M, Lucero E, O'Connell AD, Sank D, Weides M, Wenner J, Yin Y, Zhao J, Korotkov AN, Cleland AN, Martinis JM.

Science. 2011 Oct 7;334(6052):61-5. doi: 10.1126/science.1208517. Epub 2011 Sep 1.

28.

Fast tunable coupler for superconducting qubits.

Bialczak RC, Ansmann M, Hofheinz M, Lenander M, Lucero E, Neeley M, O'Connell AD, Sank D, Wang H, Weides M, Wenner J, Yamamoto T, Cleland AN, Martinis JM.

Phys Rev Lett. 2011 Feb 11;106(6):060501. Epub 2011 Feb 9.

PMID:
21405448
29.

Deterministic entanglement of photons in two superconducting microwave resonators.

Wang H, Mariantoni M, Bialczak RC, Lenander M, Lucero E, Neeley M, O'Connell AD, Sank D, Weides M, Wenner J, Yamamoto T, Yin Y, Zhao J, Martinis JM, Cleland AN.

Phys Rev Lett. 2011 Feb 11;106(6):060401. Epub 2011 Feb 7.

PMID:
21405445
30.

Lifetime and coherence of two-level defects in a Josephson junction.

Shalibo Y, Rofe Y, Shwa D, Zeides F, Neeley M, Martinis JM, Katz N.

Phys Rev Lett. 2010 Oct 22;105(17):177001. Epub 2010 Oct 19.

PMID:
21231072
31.

Generation of three-qubit entangled states using superconducting phase qubits.

Neeley M, Bialczak RC, Lenander M, Lucero E, Mariantoni M, O'Connell AD, Sank D, Wang H, Weides M, Wenner J, Yin Y, Yamamoto T, Cleland AN, Martinis JM.

Nature. 2010 Sep 30;467(7315):570-3. doi: 10.1038/nature09418.

PMID:
20882012
32.

Decoherence dynamics of complex photon states in a superconducting circuit.

Wang H, Hofheinz M, Ansmann M, Bialczak RC, Lucero E, Neeley M, O'Connell AD, Sank D, Weides M, Wenner J, Cleland AN, Martinis JM.

Phys Rev Lett. 2009 Nov 13;103(20):200404. Epub 2009 Nov 13.

PMID:
20365967
33.

Quantum ground state and single-phonon control of a mechanical resonator.

O'Connell AD, Hofheinz M, Ansmann M, Bialczak RC, Lenander M, Lucero E, Neeley M, Sank D, Wang H, Weides M, Wenner J, Martinis JM, Cleland AN.

Nature. 2010 Apr 1;464(7289):697-703. doi: 10.1038/nature08967. Epub 2010 Mar 17.

PMID:
20237473
34.

Energy decay in superconducting Josephson-junction qubits from nonequilibrium quasiparticle excitations.

Martinis JM, Ansmann M, Aumentado J.

Phys Rev Lett. 2009 Aug 28;103(9):097002. Epub 2009 Aug 26.

PMID:
19792820
35.

Violation of Bell's inequality in Josephson phase qubits.

Ansmann M, Wang H, Bialczak RC, Hofheinz M, Lucero E, Neeley M, O'Connell AD, Sank D, Weides M, Wenner J, Cleland AN, Martinis JM.

Nature. 2009 Sep 24;461(7263):504-6. doi: 10.1038/nature08363.

PMID:
19779447
36.

Emulation of a quantum spin with a superconducting phase qudit.

Neeley M, Ansmann M, Bialczak RC, Hofheinz M, Lucero E, O'Connell AD, Sank D, Wang H, Wenner J, Cleland AN, Geller MR, Martinis JM.

Science. 2009 Aug 7;325(5941):722-5. doi: 10.1126/science.1173440.

37.

Synthesizing arbitrary quantum states in a superconducting resonator.

Hofheinz M, Wang H, Ansmann M, Bialczak RC, Lucero E, Neeley M, O'Connell AD, Sank D, Wenner J, Martinis JM, Cleland AN.

Nature. 2009 May 28;459(7246):546-9. doi: 10.1038/nature08005.

PMID:
19478780
38.

Measurement of the decay of Fock states in a superconducting quantum circuit.

Wang H, Hofheinz M, Ansmann M, Bialczak RC, Lucero E, Neeley M, O'Connell AD, Sank D, Wenner J, Cleland AN, Martinis JM.

Phys Rev Lett. 2008 Dec 12;101(24):240401. Epub 2008 Dec 8.

PMID:
19113602
39.

Reversal of the weak measurement of a quantum state in a superconducting phase qubit.

Katz N, Neeley M, Ansmann M, Bialczak RC, Hofheinz M, Lucero E, O'Connell A, Wang H, Cleland AN, Martinis JM, Korotkov AN.

Phys Rev Lett. 2008 Nov 14;101(20):200401. Epub 2008 Nov 10.

PMID:
19113317
40.

High-fidelity gates in a single josephson qubit.

Lucero E, Hofheinz M, Ansmann M, Bialczak RC, Katz N, Neeley M, O'Connell AD, Wang H, Cleland AN, Martinis JM.

Phys Rev Lett. 2008 Jun 20;100(24):247001. Epub 2008 Jun 16.

PMID:
18643615
41.

Magnetism in SQUIDs at millikelvin temperatures.

Sendelbach S, Hover D, Kittel A, Mück M, Martinis JM, McDermott R.

Phys Rev Lett. 2008 Jun 6;100(22):227006. Epub 2008 Jun 5.

PMID:
18643451
42.

Generation of Fock states in a superconducting quantum circuit.

Hofheinz M, Weig EM, Ansmann M, Bialczak RC, Lucero E, Neeley M, O'Connell AD, Wang H, Martinis JM, Cleland AN.

Nature. 2008 Jul 17;454(7202):310-4. doi: 10.1038/nature07136.

PMID:
18633412
43.

1/f Flux noise in Josephson phase qubits.

Bialczak RC, McDermott R, Ansmann M, Hofheinz M, Katz N, Lucero E, Neeley M, O'Connell AD, Wang H, Cleland AN, Martinis JM.

Phys Rev Lett. 2007 Nov 2;99(18):187006. Epub 2007 Nov 2.

PMID:
17995432
44.

Temperature dependence of coherent oscillations in Josephson phase qubits.

Lisenfeld J, Lukashenko A, Ansmann M, Martinis JM, Ustinov AV.

Phys Rev Lett. 2007 Oct 26;99(17):170504. Epub 2007 Oct 26.

PMID:
17995313
45.

State tomography of capacitively shunted phase qubits with high fidelity.

Steffen M, Ansmann M, McDermott R, Katz N, Bialczak RC, Lucero E, Neeley M, Weig EM, Cleland AN, Martinis JM.

Phys Rev Lett. 2006 Aug 4;97(5):050502. Epub 2006 Aug 2.

PMID:
17026085
46.

Measurement of the entanglement of two superconducting qubits via state tomography.

Steffen M, Ansmann M, Bialczak RC, Katz N, Lucero E, McDermott R, Neeley M, Weig EM, Cleland AN, Martinis JM.

Science. 2006 Sep 8;313(5792):1423-5.

47.

Coherent state evolution in a superconducting qubit from partial-collapse measurement.

Katz N, Ansmann M, Bialczak RC, Lucero E, McDermott R, Neeley M, Steffen M, Weig EM, Cleland AN, Martinis JM, Korotkov AN.

Science. 2006 Jun 9;312(5779):1498-500.

48.

Decoherence in Josephson qubits from dielectric loss.

Martinis JM, Cooper KB, McDermott R, Steffen M, Ansmann M, Osborn KD, Cicak K, Oh S, Pappas DP, Simmonds RW, Yu CC.

Phys Rev Lett. 2005 Nov 18;95(21):210503. Epub 2005 Nov 16.

PMID:
16384123
49.

Simultaneous state measurement of coupled Josephson phase qubits.

McDermott R, Simmonds RW, Steffen M, Cooper KB, Cicak K, Osborn KD, Oh S, Pappas DP, Martinis JM.

Science. 2005 Feb 25;307(5713):1299-302.

50.

Observation of quantum oscillations between a Josephson phase qubit and a microscopic resonator using fast readout.

Cooper KB, Steffen M, McDermott R, Simmonds RW, Oh S, Hite DA, Pappas DP, Martinis JM.

Phys Rev Lett. 2004 Oct 29;93(18):180401. Epub 2004 Oct 25.

PMID:
15525134

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