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Chinese Physics, 2002, Vol. 11(12): 1272-1275    DOI: 10.1088/1009-1963/11/12/310
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Photon statistics of the micromaser with a Kerr medium

Wu Shu-Dong (吴曙东), Zhan Zhi-Ming (詹志明), Jin Li-Xia (金丽霞)
Department of Physics, Huazhong University of Science of Technology, Wuhan 430074, China
Abstract  We have established the master equation for the micromaser with a Kerr medium. We have studied the photon statistics of the micromaser with a Kerr medium field and analysed the influence of the Kerr effect on the photon statistics. The influence of the Kerr effect on the photon statistics is different in two regimes. In the thermal-atom regime, the Kerr effect produces quantum noise, and decreases the mean photon number. In the ultracold-atom regime, with the increase of the nonlinear parameter of the Kerr medium, the stability of the mean photon number and the normalized variance enhances the mean photon number, and the normalized variance exhibits collapse-revival phenomena periodically, their resonance peaks become lower, and the photon statistics of more and more regions are sub-Poissonian.
Keywords:  photon statistics      micromaser      Kerr medium  
Received:  08 April 2002      Revised:  04 July 2002      Accepted manuscript online: 
PACS:  42.50.Pq (Cavity quantum electrodynamics; micromasers)  
  42.65.Hw (Phase conjugation; photorefractive and Kerr effects)  
  05.30.-d (Quantum statistical mechanics)  
  42.50.Lc (Quantum fluctuations, quantum noise, and quantum jumps)  
  32.80.Pj  
Fund: Project supported by the National Natural Science Foundation of China (Grant Nos 90108026, 10125419, 60078023).

Cite this article: 

Wu Shu-Dong (吴曙东), Zhan Zhi-Ming (詹志明), Jin Li-Xia (金丽霞) Photon statistics of the micromaser with a Kerr medium 2002 Chinese Physics 11 1272

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