Nature Communications (Mar 2021)
Removing leakage-induced correlated errors in superconducting quantum error correction
- M. McEwen,
- D. Kafri,
- Z. Chen,
- J. Atalaya,
- K. J. Satzinger,
- C. Quintana,
- P. V. Klimov,
- D. Sank,
- C. Gidney,
- A. G. Fowler,
- F. Arute,
- K. Arya,
- B. Buckley,
- B. Burkett,
- N. Bushnell,
- B. Chiaro,
- R. Collins,
- S. Demura,
- A. Dunsworth,
- C. Erickson,
- B. Foxen,
- M. Giustina,
- T. Huang,
- S. Hong,
- E. Jeffrey,
- S. Kim,
- K. Kechedzhi,
- F. Kostritsa,
- P. Laptev,
- A. Megrant,
- X. Mi,
- J. Mutus,
- O. Naaman,
- M. Neeley,
- C. Neill,
- M. Niu,
- A. Paler,
- N. Redd,
- P. Roushan,
- T. C. White,
- J. Yao,
- P. Yeh,
- A. Zalcman,
- Yu Chen,
- V. N. Smelyanskiy,
- John M. Martinis,
- H. Neven,
- J. Kelly,
- A. N. Korotkov,
- A. G. Petukhov,
- R. Barends
Affiliations
- M. McEwen
- Department of Physics, University of California
- D. Kafri
- Z. Chen
- J. Atalaya
- K. J. Satzinger
- C. Quintana
- P. V. Klimov
- D. Sank
- C. Gidney
- A. G. Fowler
- F. Arute
- K. Arya
- B. Buckley
- B. Burkett
- N. Bushnell
- B. Chiaro
- R. Collins
- S. Demura
- A. Dunsworth
- C. Erickson
- B. Foxen
- M. Giustina
- T. Huang
- S. Hong
- E. Jeffrey
- S. Kim
- K. Kechedzhi
- F. Kostritsa
- P. Laptev
- A. Megrant
- X. Mi
- J. Mutus
- O. Naaman
- M. Neeley
- C. Neill
- M. Niu
- A. Paler
- Johannes Kepler University
- N. Redd
- P. Roushan
- T. C. White
- J. Yao
- P. Yeh
- A. Zalcman
- Yu Chen
- V. N. Smelyanskiy
- John M. Martinis
- Department of Physics, University of California
- H. Neven
- J. Kelly
- A. N. Korotkov
- A. G. Petukhov
- R. Barends
- DOI
- https://doi.org/10.1038/s41467-021-21982-y
- Journal volume & issue
-
Vol. 12,
no. 1
pp. 1 – 7
Abstract
Correlated errors coming from leakage out of the computational subspace are an obstacle to fault-tolerant superconducting circuits. Here, the authors use a multi-level reset protocol to improve the performances of a bit-flip error correcting code by reducing the magnitude of correlations.
