Gain and transmission properties of a probe field in a four-level atomic system

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• 作者：Zhiping Wang^a ; ^{zhipwang@126.com} ; Benli Yu^a ; Xuqiang Wu^a ; Zhigang Cao^a ; Jun Zhu^a ; Shenglai Zhen^a ; Jun Peng^b
• 关键词：Optical properties ; Incoherent pumping fields ; Four-level atomic system
• 刊名：Optik - International Journal for Light and Electron Optics
• 出版年：2012
• 期刊代码：13_00304026
• 类别：et
• 出版时间：July, 2012
• 卷：123
• 期：14
• 页码：1240-1244
• 文件大小：402 K

摘要

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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.