Abstract
In this paper, we investigate the dynamics of fluorescent light emitted by a two-level atom interacts with squeezed vacuum reservoir is studied wisely using two-time correlation function and the master equation fundamentals approaches. We use the pertinent master equation to calculate the time-evolution of cavity filed operators as well as two-time correlation function. The mathematical analysis shows the fluorescent spectrum of light emitted by the atom is turned out to be a single peak at a Lorentz's frequency for both squeezed vacuum reservoir and thermal reservoir. On the other hand, we have identified that the squeezed vacuum reservoir input is responsible to the stimulated emission of photons from the atom. Moreover, it is identified that thermal reservoir is more efficient than squeezed vacuum reservoir to have valuable power spectrum. The power spectrum which characterizes the fluorescent light generated by a two-level atom has been summered as it is observed for both case; (i) when a two-level atom coupled to squeezed vacuum reservoir and (ii) when the two-level atom coupled to thermal reservoir. Finally, we generalized from the paper is that the power spectrum of generated light from a two-level atom coupled to thermal reservoir is greater than the power spectrum generated from a two-level atom coupled to squeezed vacuum reservoir. In contrast, more stimulated and squeezed photons are emitted in the case when the atom is coupled with squeezed vacuum reservoir.
Highlights
The Different quantum optical investigations have been made by various authors for several years
This is explained as when the mean photon number from the squeezed vacuum reservoir increases the power spectrum of the light emitted by a two-level atom deforms
The paper addresses, the dynamics of a power spectrum emitted by a two-level atom interacts with the reservoir submodes with the aid of evolution of atomic variables
Summary
The Different quantum optical investigations have been made by various authors for several years. The fluorescent light is in squeezed state and the power spectrum consists of a single peak only [5] Another examination on the interaction of a two-level atom with a single mode of radiation has been made by Cirac. The interaction a system in which initially unexcited twolevel atom with a weak cavity field has been another area regarding with two-level atomic interaction dynamic with single light mode [10, 12,13,14,15] Taking this as motivation, in this paper it is necessary to see how would be the dynamics of a fluorescent light emitted by a two-level atom but coupled to squeezed vacuum reservoir. It contributes a American Journal of Electromagnetics and Applications 2019; 7(2): 34-38 very valuable scientific merit for the development of instrument empowerment which uses two-level atom interaction with single mode radiation principles
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