Spectra of a weakly driven two-level atom in an off-resonant squeezed vacuum

被引：0
|
作者：
S. S. Hassan
A. Joshi
M. F. M. Ali
机构：
[1] University of Bahrain,Department of Mathematics, College of Science
[2] University of Arkansas,Department of Physics
[3] Ain Shams University,Department of Mathematics, Faculty of Science
来源：
The European Physical Journal D - Atomic, Molecular, Optical and Plasma Physics | 2003年 / 26卷
关键词：
Steady State; Transition Frequency; Fluorescence Spectrum; Relative Phase; Group Velocity;
D O I：
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摘要：
We have derived analytical expressions for the absorption-dispersion spectra as well as the steady state fluorescence spectrum of a weakly excited single 2-level atom in a broadband squeezed vacuum. The atomic transition frequency and the central frequency of both the squeezed vacuum field and the driving field are assumed different. The absorption-dispersion and resonance fluorescence spectra are found to be very much dependent on the atomic as well as squeezed vacuum detuning and can lead to the situation of negative group velocities. Also, the resonance fluorescence spectrum is sensitive to the relative phase of squeezed vacuum and the driving field in the presence of finite detuning of the squeezed vacuum field.
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页码：301 / 306
页数：5
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