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Chin. Opt. Lett.
 Home  List of Issues    Issue 09 , Vol. 15 , 2017    10.3788/COL201715.090201

Simultaneous electromagnetically induced transparency and absorption in thermal atomic medium
Shangqing Liang1, Yunfei Xu1, and Qiang Lin2
1 Institute of Optics, Department of Physics, [Zhejiang University], Hangzhou 31 0027, China
2 Center for Optics &
Optoelectronics Research, College of Science, [Zhejiang University of Technology], Hangzhou 31002 3, China

Chin. Opt. Lett., 2017, 15(09): pp.090201

Topic:Atomic and molecular physics
Keywords(OCIS Code): 020.1670  270.1670  

A three-level lambda system driven by multicolor control, pump, and probe fields is investigated. The pump and probe fields are derived from the same laser with opposite propagating directions. Due to the Doppler effect, the zero group-velocity atoms face bichromatic fields, while other atoms face trichromatic fields. The atomic medium shows distinct characteristics and exhibits simultaneous electromagnetically induced transparency (EIT) and electromagnetically induced absorption (EIA) at two frequencies. EIT and EIA peaks have a fixed relationship with frequency, which is determined by the Doppler shifts.

Copyright: © 2003-2012 . This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Posted online:2017/6/21

Get Citation: Shangqing Liang, Yunfei Xu, and Qiang Lin, "Simultaneous electromagnetically induced transparency and absorption in thermal atomic medium," Chin. Opt. Lett. 15(09), 090201(2017)

Note: This work was supported by the National Natural Science Foundation of China (No. 61475139), the National Basic Research Program of China (No. 2013CB329501), the National High Technology Research and Development Program of China (No. 2013AA063901), and the Fundamental Research Funds for the Central Universities (No. 2017FZA3005). We are greatly indebted to Xunming Cai and Jianqi Shen for the beneficial discussion and support in this work.


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