Superconducting quantum circuits at the surface code threshold for fault tolerance

Nature

Volumn 508, Issue 7497, 2014, Pages 500-503

  Barends, R ^a   Kelly, J ^a   Megrant, A ^a   Veitia, A ^b   Sank, D ^a   Jeffrey, E ^a   White, T C ^a   Mutus, J ^a   Fowler, A G ^a,c   Campbell, B ^a   Chen, Y ^a   Chen, Z ^a   Chiaro, B ^a   Dunsworth, A ^a   Neill, C ^a   O'Malley, P ^a   Roushan, P ^a   Vainsencher, A ^a   Wenner, J ^a   Korotkov, A N ^b   Cleland, A N ^a   Martinis, John M ^a   more..

^a UNIVERSITY OF CALIFORNIA   (United States)

^b University of California Riverside   (United States)

^c UNIVERSITY OF MELBOURNE   (Australia)

Author keywords

[No Author keywords available]

Indexed keywords

QUANTUM DOT;

ARRAY; COMPUTER SIMULATION; DATABASE; ERROR ANALYSIS; LINEARITY; QUANTUM MECHANICS; THRESHOLD; TOLERANCE;

ARTICLE; MICROPROCESSOR; MICROTECHNOLOGY; PRIORITY JOURNAL; QUANTUM MECHANICS; QUANTUM THEORY; SCALE UP; SUPERCONDUCTOR; SURFACE PROPERTY;

EID: 84899484044     PISSN: 00280836     EISSN: 14764687     Source Type: Journal    
DOI: 10.1038/nature13171     Document Type: Article

References (30)

1. Vandersypen, L. M. K. et al. Experimental realization of Shor's quantum factoring algorithm using nuclear magnetic resonance. Nature 414, 883-887 (2001).
2. Lucero, E. et al. Computing prime factors with a Josephson phase qubit quantum processor. Nature Phys. 8, 719-723 (2012).
3. Jones, J., Mosca, M. & Hansen, R. Implementation of a quantum search algorithm on a quantum computer. Nature 393, 334-346 (1998).
4. Chuang, I. L., Gershenfeld, N. & Kubinec, M. Experimental implementation of fast quantum searching. Phys. Rev. Lett. 80, 3408 (1998).
5. Feynman, R. P. Simulatingphysics with computers. Int. J. Theor. Phys.21, 467-488 (1982).
6. Nielsen, M. A. & Chuang, I. L. Quantum Computation and Quantum Information Ch. 10 (Cambridge Univ. Press, 2010).
7. Fowler, A. G., Mariantoni, M., Martinis, J. M. & Cleland, A. N. Surface codes: towards practical large-scale quantum computation. Phys. Rev. A 86, 032324 (2012).
8. DiCarlo, L. et al. Preparation and measurement of three-qubit entanglement in a superconducting circuit. Nature 467, 574-578 (2010).
9. Neeley, M. et al. Generation of three-qubit entangled states using superconducting phase qubits. Nature 467, 570-573 (2010).
10. Martinis, J.&Geller, M. R. Fast adiabatic control of qubits using optimal windowing theory. Preprint at http://arxiv.org/abs/1402.5467.
11. Ryan, C. A., Laforest, M. & Laflamme, R. Randomized benchmarking of single-and multi-qubit control in liquid-state NMR quantum information processing. New J. Phys. 11, 013034 (2009).
12. Benhelm, J., Kirchmair, G., Roos, C. F. & Blatt, R. Towards fault-tolerant quantum computing with trapped ions. Nature Phys. 4, 463-466 (2008).
13. Choi, T. et al. Optimal quantum control of multi-mode couplings between trapped ion qubits for scalable entanglement. Preprint at http://arxiv.org/abs/ 1401.1575 (2014).
14. Chow, J. M. et al. Implementing a strand of a scalable fault-tolerant quantum computing fabric. Preprint at http://arxiv.org/abs/1311.6330 (2013).
15. Barends, R. et al. Coherent Josephson qubit suitable for scalable quantum integrated circuits. Phys. Rev. Lett. 111, 080502 (2013).
16. Wallraff, A. et al. Strong coupling of a single photon to a superconducting qubit using circuit quantum electrodynamics. Nature 431, 162-167 (2004).
17. Jeffrey, E. et al. Fast scalable state measurement with superconducting qubits. Preprint at http://arxiv.org/abs/1401.0257 (2014).
18. Brown, K. R. et al. Single-qubit-gate error below 1024 in a trapped ion. Phys. Rev. A 84, 030303 (2011).
19. Córcoles, A. D. et al. Process verification of two-qubit quantum gates by randomized benchmarking. Phys. Rev. A 87, 030301 (2013).
20. Magesan, E., Gambetta, J. M. & Emerson, J. Scalable and robust randomized benchmarking of quantum processes. Phys. Rev. Lett. 106, 180504 (2011).
21. Lucero, E. et al. Reduced phase error through optimized control of a superconducting qubit. Phys. Rev. A 82, 042339 (2010).
22. Gambetta, J. M. et al. Characterization of addressability by simultaneous randomized benchmarking. Phys. Rev. Lett. 109, 240504 (2012).
23. DiCarlo, L, et al. Demonstration of two-qubit algorithms with a superconducting quantum processor. Nature 460, 240-244 (2009).
24. Mariantoni, M. et al. Implementing the quantum von Neumann architecture with superconducting circuits. Science 334, 61-65 (2011).
25. Strauch, F. W. et al. Quantum logic gates for coupled superconducting phase qubits. Phys. Rev. Lett. 91, 167005 (2003).
26. Megrant, A. et al. Planar superconducting resonators with internal quality factors above one million. Appl. Phys. Lett. 100, 113510 (2012).
27. Sendelbach, S., Hover, D., Mück, M. & McDermott, R. Complex inductance, excess noise, and surface magnetism in dc SQUIDs. Phys. Rev. Lett. 103, 117001 (2009).
28. Gühne, O. & Seevinck, M. Separability criteria for genuine multiparticle entanglement. New J. Phys. 12, 053002 (2010).
29. Monz, T. et al.14-qubit entanglement: creationand coherence.Phys. Rev. Lett.106, 130506 (2011).
30. Koch, J. et al. Charge-insensitive qubit design derived from the Cooper pair box. Phys. Rev. A 76, 042319 (2007).