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A study of optical properties of a four-level atomic system via vacuum-induced coherence effects |
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| Authors: | Chen Jun Liu Zheng-Dong Zheng Jun Pang Wei and You Su-Ping |
| Institution: | Department of Physics, Hangzhou Dianzi University, Hangzhou {\rm 310018, China; Engineering Research Center for Nanotechnology, Nanchang University,Nanchang 330047, China;Institute of Modern Physics, Nanchang University, Nanchang 330031, China; Experimental Teaching Center, Guangdong University of Technology, Guangzhou 510006, China; Experimental Teaching Center, Guangdong University of Technology,Guangzhou 510006, China;Institute of Optoelectronic Material and Technology, South Chin |
| 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. |
| Keywords: | vacuum-induced coherence quantum interference coherent hole burning optical bistability |
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