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Journal of Shanghai University (English Edition)

Higher-Order Squeezing for Atomic Dipole of a Three-Level Atom in the Kerr-Like Medium Cavity Fields

Dong Chuan

Published Jan 1, 2003• 0 citations
OpenAlex

Abstract

In this paper, evolution of the higher order squeezing for atomic dipole of three level atom in the Kerr like medium is investigated. The atom discussed has two configurations and is driven by the single mode coherent state field. Our results show that the squeezing effects are clearly influenced by nonlinear parameters, the initial atom state and the detuning.

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Higher-Order Squeezing for Atomic Dipole of a Three-Level Atom in the Kerr-Like Medium Cavity Fields

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In this paper, evolution of the higher-order squeezing for atomic dipole of three-level atom in the Kerr-like medium is investigated. The atom discussed has two configurations and is driven by the single-mode coherent state field. Our results show that the squeezing effects are clearly influenced by nonlinear parameters, the initial atom state and the detuning.

Journal of Shanghai University (English Edition)•Jan 1, 2003•0 citations

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Effects of Kerr medium on two-mode field squeezing

Zhang Li

The field squeezing in the system of a three level atom embedded in a high Q cavity filled with Kerr medium is investigated.The effects of Kerr medium on two mode field initially in two mode squeezed vacuum state and SU(1,1) coherent state are analyzed.It is found that the influence of squeezing for the field initially in SU(1,1) coherent state is more evident that for the field initially in two mode squeezed vacuum.

Journal of Central China Normal University•Jan 1, 2002•0 citations
In this paper, evolution of the higher order squeezing for atomic dipole of three level atom in the Kerr like medium is investigated. The atom discussed has two configurations and is driven by the single mode coherent state field. Our results show that the squeezing effects are clearly influenced by nonlinear parameters, the initial atom state and the detuning.
The dipole squeezing effects of a A-type three-level atom interacting with a two-mode coherent field are investigated. Through the numerical calculations, the influences of the Kerr effect and the one-photon frequency detuning on the atomic dipole squeezing are also discussed. It is shown that the atomic dipole squeezing reduces up to disappearence and that the time of the squeezing becomes short with increasing the Kerr effect, but that the atomic dipole squeezing raises and that the time of the squeezing becomes long with increasing the one-photon frequency detuning .
The time evolution of atomic dipole squeezing in the system of single-mode field interacting with V-type three-level atom via intensity-dependent coupling in Kerr medium is studied by means of the quantum theory.The effects of the coupling constant χ and the detuning Ω on the dipole squeezing are discussed by the method of the numerical calculations.The results show that Kerr effect has decreased the atomic dipole squeezing in various degrees and proper detuning Ω is propitious to atomic dipole squeezing.