Gain and transmission properties of a probe field in a four-level atomic system |
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| Authors: | Zhiping Wang Benli Yu Xuqiang Wu Zhigang Cao Jun Zhu Shenglai Zhen Jun Peng |
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| Institution: | 1. Key Laboratory of Opto-Electronic Information Acquisition and Manipulation of Ministry of Education, Anhui University, Hefei 230039, China;2. Beijing Micro-Technology Research Institute, Bejing 100200, China |
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| Abstract: | We theoretically investigate the absorption–amplification response of the probe field in a four-level cold 87Rb atomic system. It is found that the incoherent pumping fields play very important roles in realizing the amplification of the probe field. The transmission property of the probe field is also studied. |
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