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Tracking photon jumps with repeated quantum non-demolition parity measurements

Author

Listed:
  • L. Sun

    (Yale University
    Present addresses: Center for Quantum Information, Institute for Interdisciplinary Information Sciences, Tsinghua University, Beijing 100084, China (L.S.); Institut für Experimentalphysik, Universität Innsbruck, Technikerstraße 25, A-6020 Innsbruck, Austria and Institut für Quantenoptik und Quanteninformation, Österreichische Akademie der Wissenschaften, Otto-Hittmair-Platz 1, A-6020 Innsbruck, Austria (G.K.).)

  • A. Petrenko

    (Yale University)

  • Z. Leghtas

    (Yale University)

  • B. Vlastakis

    (Yale University)

  • G. Kirchmair

    (Yale University
    Present addresses: Center for Quantum Information, Institute for Interdisciplinary Information Sciences, Tsinghua University, Beijing 100084, China (L.S.); Institut für Experimentalphysik, Universität Innsbruck, Technikerstraße 25, A-6020 Innsbruck, Austria and Institut für Quantenoptik und Quanteninformation, Österreichische Akademie der Wissenschaften, Otto-Hittmair-Platz 1, A-6020 Innsbruck, Austria (G.K.).)

  • K. M. Sliwa

    (Yale University)

  • A. Narla

    (Yale University)

  • M. Hatridge

    (Yale University)

  • S. Shankar

    (Yale University)

  • J. Blumoff

    (Yale University)

  • L. Frunzio

    (Yale University)

  • M. Mirrahimi

    (Yale University
    INRIA Paris-Rocquencourt, Domaine de Voluceau, BP 105, 78153 Le Chesnay Cedex, France)

  • M. H. Devoret

    (Yale University)

  • R. J. Schoelkopf

    (Yale University)

Abstract

The quantized changes in the photon number parity of a microwave cavity can be tracked on a short enough timescale, and with sufficiently little interference with the quantum state, for this parity observable to be used to monitor the occurrence of error in a recently proposed protected quantum memory.

Suggested Citation

  • L. Sun & A. Petrenko & Z. Leghtas & B. Vlastakis & G. Kirchmair & K. M. Sliwa & A. Narla & M. Hatridge & S. Shankar & J. Blumoff & L. Frunzio & M. Mirrahimi & M. H. Devoret & R. J. Schoelkopf, 2014. "Tracking photon jumps with repeated quantum non-demolition parity measurements," Nature, Nature, vol. 511(7510), pages 444-448, July.
    • Handle: RePEc:nat:nature:v:511:y:2014:i:7510:d:10.1038_nature13436
    DOI: 10.1038/nature13436
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    Cited by:

    1. Agnetta Y. Cleland & E. Alex Wollack & Amir H. Safavi-Naeini, 2024. "Studying phonon coherence with a quantum sensor," Nature Communications, Nature, vol. 15(1), pages 1-7, December.

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