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

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

2005-11-07

arxiv.org/abs/quant-ph/0511049v3

Opt. Express 13, 9660-9665 (2005)

Physics

Quantum Physics

8 pages, 3 figures, final version, tex file uploaded

Scientific paper

10.1364/OPEX.13.009660

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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