The DOI matches its Crossref record; 9 of the 9 references it cites were found in a registry or an index.
Implementing a strand of a scalable fault-tolerant quantum computing fabric
Open accessAbstract
With favourable error thresholds and requiring only nearest-neighbour interactions on a lattice, the surface code is an error-correcting code that has garnered considerable attention. At the heart of this code is the ability to perform a low-weight parity measurement of local code qubits. Here we demonstrate high-fidelity parity detection of two code qubits via measurement of a third syndrome qubit. With high-fidelity gates, we generate entanglement distributed across three superconducting qubits in a lattice where each code qubit is coupled to two bus resonators. Via high-fidelity measurement of the syndrome qubit, we deterministically entangle the code qubits in either an even or odd parity Bell state, conditioned on the syndrome qubit state. Finally, to fully characterize this parity readout, we develop a measurement tomography protocol. The lattice presented naturally extends to larger networks of qubits, outlining a path towards fault-tolerant quantum computing. Quantum error correction protocols aim at protecting quantum information from corruption due to decoherence and imperfect control. Using three superconducting transmon qubits, Chow et al. demonstrate necessary elements for the implementation of the surface error correction code on a two-dimensional lattice.
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Cites
Surface codes: Towards practical large-scale quantum computation
Fowler, A. G., Mariantoni, M., Martinis, J. M., & Cleland, A. N. (2012) · Physical Review A · doi:10.1103/physreva.86.032324 · Cited by 3,059
Superconducting quantum circuits at the surface code threshold for fault tolerance
Barends, R., Kelly, J., Megrant, A., Veitia, A., Sank, D., Jeffrey, E., White, T. C., Mutus, J., Fowler, A. G., Campbell, B., et al. (2014) · Nature · doi:10.1038/nature13171 · Cited by 1,733
Quantum computing with realistically noisy devices
Knill, E. (2005) · Nature · doi:10.1038/nature03350 · Cited by 1,184 · cited 4×
“The three transmon qubits (iA[1,3]) have transition frequencies {oi}/2p1⁄4 {5.”
BackgroundMethodInfluentialPreskill, J. (1998) · Proceedings of the Royal Society of London. Series A: Mathematical, Physical and Engineering Sciences · doi:10.1098/rspa.1998.0167 · Cited by 994
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., et al. (2013) · Physical Review Letters · doi:10.1103/physrevlett.111.080502 · Cited by 779
Fault-tolerant quantum computation with constant error
Aharonov, D., & Ben-Or, M. (1997) · Proceedings of the twenty-ninth annual ACM symposium on Theory of computing - STOC '97 · doi:10.1145/258533.258579 · Cited by 631
Quantum codes on a lattice with boundary
Bravyi, S. B., & Kitaev, A. Y. (1998) · arXiv · doi:10.48550/arxiv.quant-ph/9811052 · Cited by 394
Quantum non-demolition detection of single microwave photons in a circuit
Johnson, B. R., Reed, M. D., Houck, A. A., Schuster, D. I., Bishop, L. S., Ginossar, E., Gambetta, J. M., DiCarlo, L., Frunzio, L., Girvin, S. M., et al. (2010) · Nature Physics · doi:10.1038/nphys1710 · Cited by 309
Self-citationProtecting superconducting qubits from radiation
Córcoles, A. D., Chow, J. M., Gambetta, J. M., Rigetti, C., Rozen, J. R., Keefe, G. A., Beth Rothwell, M., Ketchen, M. B., & Steffen, M. (2011) · Applied Physics Letters · doi:10.1063/1.3658630 · Cited by 193
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Cited by
Hardware-efficient variational quantum eigensolver for small molecules and quantum magnets
Kandala, A., Mezzacapo, A., Temme, K., Takita, M., Brink, M., Chow, J. M., & Gambetta, J. M. (2017) · Nature · doi:10.1038/nature23879 · Cited by 2,982
Self-citationSuperconducting quantum circuits at the surface code threshold for fault tolerance
Barends, R., Kelly, J., Megrant, A., Veitia, A., Sank, D., Jeffrey, E., White, T. C., Mutus, J., Fowler, A. G., Campbell, B., et al. (2014) · Nature · doi:10.1038/nature13171 · Cited by 1,733
Superconducting Qubits: Current State of Play
Kjaergaard, M., Schwartz, M. E., Braumüller, J., Krantz, P., Wang, J. I.-J., Gustavsson, S., & Oliver, W. D. (2020) · Annual Review of Condensed Matter Physics · doi:10.1146/annurev-conmatphys-031119-050605 · Cited by 1,544
State preservation by repetitive error detection in a superconducting quantum circuit
Kelly, J., Barends, R., Fowler, A. G., Megrant, A., Jeffrey, E., White, T. C., Sank, D., Mutus, J. Y., Campbell, B., Chen, Y., et al. (2015) · Nature · doi:10.1038/nature14270 · Cited by 916
Córcoles, A. D., Magesan, E., Srinivasan, S. J., Cross, A. W., Steffen, M., Gambetta, J. M., & Chow, J. M. (2015) · Nature Communications · doi:10.1038/ncomms7979 · Cited by 490
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Metadata
- Authors
- Chow, J. M., Gambetta, J. M., Magesan, E., Abraham, D. W., Cross, A. W., Johnson, B. R., Masluk, N. A., Ryan, C. A., Smolin, J. A., Srinivasan, S. J., & Steffen, M.
- Venue
- Nature Communications
- Published
- 2014-06-24
- Volume
- 5
- Issue
- 1
- Pages
- 4015-4015
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W2057530043
- Cited by
- 281
- References
- 9
- FWCI
- 44.89
- Type
- journal article
- Language
- en
- Open access
- bronze
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