CLASSICAL AREAS OF PHENOMENOLOGY

A study of optical properties of a four-level atomic system via vacuum-induced coherence effects

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2010 Chinese Physical Society and IOP Publishing Ltd
, , Citation Chen Jun et al 2010 Chinese Phys. B 19 044201 DOI 10.1088/1674-1056/19/4/044201

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lzdgroup@ncu.edu.cn

Author affiliations

1 Experimental Teaching Center, Guangdong University of Technology, Guangzhou 510006, China

2 Engineering Research Center for Nanotechnology, Nanchang University, Nanchang 330047, China

3 Institute of Modern Physics, Nanchang University, Nanchang 330031, China

4 Institute of Optoelectronic Material and Technology, South China Normal University, Guangzhou 510631, China

5 Department of Physics, Hangzhou Dianzi University, Hangzhou 310018, China

Dates

  1. Received 21 March 2009
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1674-1056/19/4/044201

Abstract

This paper studies the effects of vacuum-induced coherence (VIC) in a four-level atomic system. The effects of VIC lead to the coherent hole burnings exhibited in the system at some certain points of the Rabi frequency. This is also the reason for the enhancement of the coherent population trapping. In addition, optical bistability occurs in the evolution curves of absorption versus the phase of Rabi frequencies.

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