Calibrated Decoders for Experimental Quantum Error Correction.

Autor: Chen EH; IBM Quantum, Almaden Research Center, San Jose, California 95120, USA., Yoder TJ; IBM Quantum, T.J. Watson Research Center, Yorktown Heights, New York 10598, USA., Kim Y; IBM Quantum, T.J. Watson Research Center, Yorktown Heights, New York 10598, USA., Sundaresan N; IBM Quantum, T.J. Watson Research Center, Yorktown Heights, New York 10598, USA., Srinivasan S; IBM Quantum, T.J. Watson Research Center, Yorktown Heights, New York 10598, USA., Li M; IBM Quantum, T.J. Watson Research Center, Yorktown Heights, New York 10598, USA., Córcoles AD; IBM Quantum, T.J. Watson Research Center, Yorktown Heights, New York 10598, USA., Cross AW; IBM Quantum, T.J. Watson Research Center, Yorktown Heights, New York 10598, USA., Takita M; IBM Quantum, T.J. Watson Research Center, Yorktown Heights, New York 10598, USA.

Publikováno v: Physical review letters [Phys Rev Lett] 2022 Mar 18; Vol. 128 (11), pp. 110504.

Active protection of a superconducting qubit with an interferometric Josephson isolator.

Autor: Abdo B; IBM T. J. Watson Research Center, Yorktown Heights, New York, NY, 10598, USA. babdo@us.ibm.com., Bronn NT; IBM T. J. Watson Research Center, Yorktown Heights, New York, NY, 10598, USA., Jinka O; IBM T. J. Watson Research Center, Yorktown Heights, New York, NY, 10598, USA., Olivadese S; IBM T. J. Watson Research Center, Yorktown Heights, New York, NY, 10598, USA., Córcoles AD; IBM T. J. Watson Research Center, Yorktown Heights, New York, NY, 10598, USA., Adiga VP; IBM T. J. Watson Research Center, Yorktown Heights, New York, NY, 10598, USA., Brink M; IBM T. J. Watson Research Center, Yorktown Heights, New York, NY, 10598, USA., Lake RE; National Institute of Standards and Technology, Boulder, CO, 80305, USA.; Bluefors Oy, Arinatie 10, 00370, Helsinki, Finland., Wu X; National Institute of Standards and Technology, Boulder, CO, 80305, USA., Pappas DP; National Institute of Standards and Technology, Boulder, CO, 80305, USA., Chow JM; IBM T. J. Watson Research Center, Yorktown Heights, New York, NY, 10598, USA.

Publikováno v: Nature communications [Nat Commun] 2019 Jul 17; Vol. 10 (1), pp. 3154. Date of Electronic Publication: 2019 Jul 17.

Supervised learning with quantum-enhanced feature spaces.

Autor: Havlíček V; IBM T. J. Watson Research Center, Yorktown Heights, NY, USA.; Department of Computer Science, University of Oxford, Wolfson Building, Parks Road, Oxford, UK., Córcoles AD; IBM T. J. Watson Research Center, Yorktown Heights, NY, USA. adcorcol@us.ibm.com., Temme K; IBM T. J. Watson Research Center, Yorktown Heights, NY, USA. kptemme@ibm.com., Harrow AW; Center for Theoretical Physics, Massachusetts Institute of Technology, Cambridge, MA, USA., Kandala A; IBM T. J. Watson Research Center, Yorktown Heights, NY, USA., Chow JM; IBM T. J. Watson Research Center, Yorktown Heights, NY, USA., Gambetta JM; IBM T. J. Watson Research Center, Yorktown Heights, NY, USA.

Publikováno v: Nature [Nature] 2019 Mar; Vol. 567 (7747), pp. 209-212. Date of Electronic Publication: 2019 Mar 13.

Experimental Demonstration of a Resonator-Induced Phase Gate in a Multiqubit Circuit-QED System.

Autor: Paik H; IBM T. J. Watson Research Center, Yorktown Heights, New York 10598-0218, USA., Mezzacapo A; IBM T. J. Watson Research Center, Yorktown Heights, New York 10598-0218, USA., Sandberg M; IBM T. J. Watson Research Center, Yorktown Heights, New York 10598-0218, USA., McClure DT; IBM T. J. Watson Research Center, Yorktown Heights, New York 10598-0218, USA., Abdo B; IBM T. J. Watson Research Center, Yorktown Heights, New York 10598-0218, USA., Córcoles AD; IBM T. J. Watson Research Center, Yorktown Heights, New York 10598-0218, USA., Dial O; IBM T. J. Watson Research Center, Yorktown Heights, New York 10598-0218, USA., Bogorin DF; Department of Physics, Syracuse University, Syracuse, New York 13244-1130, USA., Plourde BL; Department of Physics, Syracuse University, Syracuse, New York 13244-1130, USA., Steffen M; IBM T. J. Watson Research Center, Yorktown Heights, New York 10598-0218, USA., Cross AW; IBM T. J. Watson Research Center, Yorktown Heights, New York 10598-0218, USA., Gambetta JM; IBM T. J. Watson Research Center, Yorktown Heights, New York 10598-0218, USA., Chow JM; IBM T. J. Watson Research Center, Yorktown Heights, New York 10598-0218, USA.

Publikováno v: Physical review letters [Phys Rev Lett] 2016 Dec 16; Vol. 117 (25), pp. 250502. Date of Electronic Publication: 2016 Dec 13.

Machine Learning for Discriminating Quantum Measurement Trajectories and Improving Readout.

Autor: Magesan E; IBM T.J. Watson Research Center, Yorktown Heights, New York 10598, USA., Gambetta JM; IBM T.J. Watson Research Center, Yorktown Heights, New York 10598, USA., Córcoles AD; IBM T.J. Watson Research Center, Yorktown Heights, New York 10598, USA., Chow JM; IBM T.J. Watson Research Center, Yorktown Heights, New York 10598, USA.

Publikováno v: Physical review letters [Phys Rev Lett] 2015 May 22; Vol. 114 (20), pp. 200501. Date of Electronic Publication: 2015 May 18.