Quantum efficiency of single-photon sources in the cavity-QED strong-coupling regime | Zendy

Guoqiang Cui | Zendy; Michael G. Raymer | Zendy

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Quantum efficiency of single-photon sources in the cavity-QED strong-coupling regime

Author(s) -

Guoqiang Cui,

Michael G. Raymer

Publication year - 2005

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/opex.13.009660

Subject(s) - physics , cavity quantum electrodynamics , photon , quantum , coupling (piping) , quantum electrodynamics , quantum mechanics , quantum optics , optics , quantum efficiency , open quantum system , mechanical engineering , engineering

We calculate the integrated-pulse quantum efficiency of single-photon sources in the cavity quantum electrodynamics (QED) strong-coupling regime. An analytical expression for the quantum efficiency is obtained in the Weisskopf-Wigner approximation. Optimal conditions for a high quantum efficiency and a temporally localized photon emission rate are examined. We show the condition under which the earlier result of Law and Kimble [J. Mod. Opt. 44, 2067 (1997)] can be used as the first approximation to our result.

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