Two-level atom in a squeezed vacuum with the two photon process via ac-Stark effect

T.M. El-Shahat, A.A. Eied and A.-S.F. Obada

Chaos, Solitons & Fractals, 2005, vol. 26, issue 2, 467-479

Abstract: In this article we introduce analytical formulas for the probe absorption spectrum and the second correlation function for a two-level atom driven by the non-degenerate two-photon and damped by a broadband multi-mode squeezed vacuum. We find that in two-photon process the squeezed vacuum has a driving effect on the atom which can lead to an ac Stark effect for a critical value of the average photon number, We see that the value of bandwidth squeezed vacuum play some role in absorption, amplification and electromagnetic transparence of probe field.

Date: 2005
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:26:y:2005:i:2:p:467-479

DOI: 10.1016/j.chaos.2004.12.044

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