Coherent Control of Quantum Fluctuations Using Cavity Electromagnetically Induced Transparency

J. A. Souza, E. Figueroa, H. Chibani, C. J. Villas-Boas, and G. Rempe
Phys. Rev. Lett. 111, 113602 – Published 11 September 2013

Abstract

We study the all-optical control of the quantum fluctuations of a light beam via a combination of single-atom cavity quantum electrodynamics (CQED) and electromagnetically induced transparency (EIT). Specifically, the EIT control field is used to tune the CQED transition frequencies in and out of resonance with the probe light. In this way, photon blockade and antiblockade effects are employed to produce sub-Poissonian and super-Poissonian light fields, respectively. The achievable quantum control paves the way towards the realization of a prototype of a novel quantum transistor which amplifies or attenuates the relative intensity noise of a light beam. Its feasibility is demonstrated by calculations using realistic parameters from recent experiments.

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  • Received 15 May 2013

DOI:https://doi.org/10.1103/PhysRevLett.111.113602

© 2013 American Physical Society

Authors & Affiliations

J. A. Souza1,2,*, E. Figueroa2,†, H. Chibani2, C. J. Villas-Boas1, and G. Rempe2

  • 1Departamento de Física, Universidade Federal de São Carlos, P.O. Box 676, 13565-905, São Carlos, São Paulo, Brazil
  • 2Max-Planck-Institut für Quantenoptik, Hans-Kopfermann-Straße 1, D-85748 Garching, Germany

  • *jamesfisica@gmail.com
  • Present address: Department of Physics and Astronomy, Stony Brook University, Stony Brook, New York 11794-3800, USA.

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Vol. 111, Iss. 11 — 13 September 2013

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