Field Locked to a Fock State by Quantum Feedback with Single Photon Corrections

X. Zhou, I. Dotsenko, B. Peaudecerf, T. Rybarczyk, C. Sayrin, S. Gleyzes, J. M. Raimond, M. Brune, and S. Haroche
Phys. Rev. Lett. 108, 243602 – Published 15 June 2012

Abstract

Fock states with photon numbers n up to 7 are prepared on demand in a microwave superconducting cavity by a quantum feedback procedure that reverses decoherence-induced quantum jumps. Circular Rydberg atoms are used as quantum nondemolition sensors or as single-photon emitter or absorber actuators. The quantum nature of these actuators matches the correction of single-photon quantum jumps due to relaxation. The flexibility of this method is suited to the generation of arbitrary sequences of Fock states.

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  • Received 19 February 2012

DOI:https://doi.org/10.1103/PhysRevLett.108.243602

© 2012 American Physical Society

Authors & Affiliations

X. Zhou1, I. Dotsenko1,*, B. Peaudecerf1, T. Rybarczyk1, C. Sayrin1, S. Gleyzes1, J. M. Raimond1, M. Brune1, and S. Haroche1,2

  • 1Laboratoire Kastler-Brossel, ENS, UPMC-Paris 6, CNRS, 24 rue Lhomond, 75005 Paris, France
  • 2Collège de France, 11 place Marcelin Berthelot, 75005 Paris, France

  • *igor.dotsenko@lkb.ens.fr

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Vol. 108, Iss. 24 — 15 June 2012

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