Physics – Quantum Physics
Scientific paper
2006-01-17
Phys. Rev. A 73, 053807 (2006) and Phys. Rev. A 78, 049904(E) (2008)
Physics
Quantum Physics
Minor corrections on Eqs. (A6), (12), and (14)
Scientific paper
10.1103/PhysRevA.73.053807
We derive analytical formulas for the forward emission and side emission spectra of cavity-modified single-photon sources, as well as the corresponding normal-mode oscillations in the cavity quantum electrodynamics (QED) strong-coupling regime. We investigate the effects of pure dephasing, treated in the phase-diffusion model based on a Wiener-Levy process, on the emission spectra and normal-mode oscillations. We also extend our previous calculation of quantum efficiency to include the pure dephasing process. All results are obtained in the Weisskopf-Wigner approximation for an impulse-excited emitter. We find that the spectra are broadened, the depths of the normal-mode oscillations are reduced and the quantum efficiency is decreased in the presence of pure dephasing.
Cui Guoqiang
Raymer Michael G.
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