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Chinese Physics, 2006, Vol. 15(6): 1268-1272    DOI: 10.1088/1009-1963/15/6/022
ATOMIC AND MOLECULAR PHYSICS Prev   Next  

Observation of four-wave mixing in caesium atoms using a noncycling transition

Wang Li-Rong (汪丽蓉), Ma Jie (马杰), Zhao Jian-Ming (赵建明), Xiao Lian-Tuan (肖连团), Jia Suo-Tang (贾锁堂)
State Key Laboratory of Quantum Optics and Quantum Optic Devices, College of Physics and Electronic Engineering, Shanxi University, Taiyuan 030006,China
Abstract  In this paper the generation of four-wave mixing (FWM) signal using a noncycling transition of caesium atoms is investigated when the pumping laser is locked to the transition $6{\rm S}_{1/2}F=4\to6{\rm P}_{3/2}F'=4$, and meanwhile the probe frequency is scanned across the $6{\rm S}_{1/2}F=4 \to6{\rm P}_{3/2}$ transition. The efficiency of the four-wave mixing signal as a function of the intensity of the pumping beams and the detuning of the pumping beams is also studied. In order to increase the detection efficiency, a repumping laser which is resonant with $6{\rm S}_{1/2} F=3\to 6{\rm P}_{3/2}F'=4$ transition is used. A theoretical model is also introduced, and the theoretical results are in qualitative agreement with experimental ones.
Keywords:  four wave mixing      caesium atom      noncycling transition  
Received:  11 November 2005      Revised:  16 January 2006      Accepted manuscript online: 
PACS:  42.65.Hw (Phase conjugation; photorefractive and Kerr effects)  
  32.80.Xx (Level crossing and optical pumping)  
  42.55.Rz (Doped-insulator lasers and other solid state lasers)  
  42.55.Xi (Diode-pumped lasers)  
Fund: Project supported by the National Natural Science Foundation of China (Grant No 60378004) and the Youth Science Foundation \linebreak \hspace{7mm}of Shanxi Province,China (Grant Nos 20031004 and 20041013).

Cite this article: 

Wang Li-Rong (汪丽蓉), Ma Jie (马杰), Zhao Jian-Ming (赵建明), Xiao Lian-Tuan (肖连团), Jia Suo-Tang (贾锁堂) Observation of four-wave mixing in caesium atoms using a noncycling transition 2006 Chinese Physics 15 1268

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