Effect of cavity dissipation on the emission spectrum of an atom interacting with a field in the dispersive approximation

doi:10.1088/1674-1056/19/1/014209

Abstract The emission spectrum of a two-level atom interacting dispersively with a single mode radiation field in the dissipative cavity is investigated. A general expression for the emission spectrum is derived. The numerical results for the initial field in coherent state are calculated. It is found that the spectrum structure is influenced significantly by the cavity damping constant $\kappa$, and the spectrum structure is dependent on the interaction time T when the cavity dissipation is present. Only one peak located at $\omega_a$ appears in the atomic spectra for larger T.

Keywords: emission spectrum cavity dissipation two-level atom

Received: 27 March 2009
Revised: 21 May 2009
Accepted manuscript online:

PACS:	32.80.-t	(Photoionization and excitation)
	32.50.+d	(Fluorescence, phosphorescence (including quenching))

Fund: Project supported by the National Natural Science Foundation of China (Grant No. 10574060).

Cite this article:

Wang Hai-Jun(王海军) and Gao Yun-Feng(高云峰) Effect of cavity dissipation on the emission spectrum of an atom interacting with a field in the dispersive approximation 2010 Chin. Phys. B 19 014209

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Effect of cavity dissipation on the emission spectrum of an atom interacting with a field in the dispersive approximation

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