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Chin. Phys. B, 2015, Vol. 24(9): 094204    DOI: 10.1088/1674-1056/24/9/094204
ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS Prev   Next  

Crossover between electromagnetically induced transparency and Autler-Townes splitting with dispersion

Lu Xiao-Ganga, Miao Xing-Xua, Bai Jin-Haia, Yuan Yuana b, Wu Ling-Ana, Fu Pan-Minga, Wang Ru-Quana, Zuo Zhan-Chuna
a Laboratory of Optical Physics, Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China;
b Hebei Normal University, Shijiazhuang 050018, China
Abstract  

Based on Akaike's information criterion (AIC) for a coherently driven ensemble of cold rubidium atoms, we study the crossover between electromagnetically induced transparency (EIT) and Autler-Townes (AT) splitting from the dispersion as well as the absorption viewpoint. We find that the dispersion signal is more sensitive than the absorption signal, showing more pronounced features in the Akaike per-point weights spectrum, which provides a cleaner way of discerning EIT from AT splitting.

Keywords:  electromagnetically induced transparency      Autler-Townes splitting      dispersion  
Received:  06 May 2015      Revised:  01 June 2015      Published:  05 September 2015
PACS:  42.50.Gy (Effects of atomic coherence on propagation, absorption, and Amplification of light; electromagnetically induced transparency and Absorption)  
  03.67.-a (Quantum information)  
  42.50.Ct (Quantum description of interaction of light and matter; related experiments)  
Fund: 

Project supported by the National Basic Research Program of China (Grant Nos. 2013CB922002 and 2010CB922904) and the National Natural Science Foundation of China (Grant Nos. 11274376, 61308011, and 11474347).

Corresponding Authors:  Wang Ru-Quan, Zuo Zhan-Chun     E-mail:  ruquanwang@iphy.ac.cn;zczuo@aphy.iphy.ac.cn

Cite this article: 

Lu Xiao-Gang, Miao Xing-Xu, Bai Jin-Hai, Yuan Yuan, Wu Ling-An, Fu Pan-Ming, Wang Ru-Quan, Zuo Zhan-Chun Crossover between electromagnetically induced transparency and Autler-Townes splitting with dispersion 2015 Chin. Phys. B 24 094204

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