Interaction of pair coherent state with a three-level Λ-type atom and generation of a modified Bessel-Gaussian state with a vortex structure

doi:10.1088/1674-1056/22/2/020310

Abstract The evolution of a system state is derived based on the nonresonant interaction of a three-level "Λ" type atom with two cavity modes at a pair coherent state and two classic fields, and a cavity field state is analysed in detail under conditional detecting. It is found that the quantized modified Bessel-Gaussian states as well as the superposition states consisting of the quantized vortex states with different weighted coefficients may be prepared through carefully preparing an initial atomic state and appropriately adjusting the interaction time. The scheme provides an additional choice to realize the two-mode quantized vortex state within the context of cavity quantum electrodynamics (QED).

Keywords: quantized vortex state three-level Λ -type atom cavity quantum electrodynamics (QED)

Received: 08 April 2012
Revised: 27 June 2012
Accepted manuscript online:

PACS:	03.67.Mn	(Entanglement measures, witnesses, and other characterizations)
	42.50.Dv	(Quantum state engineering and measurements)

Corresponding Authors: Zhu Kai-Cheng
E-mail: KCZhu058@csu.edu.cn

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Tang Hui-Qin (唐慧琴), Li Shao-Xin (李绍新), Tang Ying (唐英), Zheng Xiao-Juan (郑小娟), Zhu Kai-Cheng (朱开成) Interaction of pair coherent state with a three-level Λ-type atom and generation of a modified Bessel-Gaussian state with a vortex structure 2013 Chin. Phys. B 22 020310

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Interaction of pair coherent state with a three-level Λ-type atom and generation of a modified Bessel-Gaussian state with a vortex structure

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