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Chinese Physics, 2004, Vol. 13(3): 348-352    DOI: 10.1088/1009-1963/13/3/015
ATOMIC AND MOLECULAR PHYSICS Prev   Next  

The asymmetry of the Autler-Townes doublet in a three-level system

Zhang Lian-Shui (张连水), Feng Xiao-Min (冯晓敏), Li Xiao-Wei (李晓苇), Han Li (韩理), Fu Guang-Sheng (傅广生)
College of Physics Science and Technology, Hebei University, Baoding 071002, China
Abstract  The effect of the Bloch-Siegert shift on a strongly driven transition is studied in a three-level double-resonance configuration and the result is presented in this paper. We show that when a resonantly driven transition is probed to a third level, the Bloch-Siegert shift leads to an asymmetric Autler-Townes doublet. An important conclusion is that the asymmetry depends only on the driving field intensity, in contrast to a previous study where it is reported that the asymmetry depends not only on the driving field intensity but also on the characteristics of the three-level system. Our result implies an alternative way of measuring the Bloch-Siegert shift.
Keywords:  Autler-Townes doublet      Bloch-Siegert shift      three-level system  
Received:  24 April 2003      Revised:  25 June 2003      Accepted manuscript online: 
PACS:  32.60.+i (Zeeman and Stark effects)  
  32.70.Jz (Line shapes, widths, and shifts)  
  32.70.Fw (Absolute and relative intensities)  

Cite this article: 

Zhang Lian-Shui (张连水), Feng Xiao-Min (冯晓敏), Li Xiao-Wei (李晓苇), Han Li (韩理), Fu Guang-Sheng (傅广生) The asymmetry of the Autler-Townes doublet in a three-level system 2004 Chinese Physics 13 348

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