| PHOTON STATISTICS OF THE MICROMASER WITH ULTRA COLD Λ-TYPE THREE-LEVEL ATOMS |
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| 引用本文： | 张智明,李先锋,周士康.PHOTON STATISTICS OF THE MICROMASER WITH ULTRA COLD Λ-TYPE THREE-LEVEL ATOMS[J].中国物理 B,1999,8(8):571-576. |
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| 作者姓名： | 张智明 李先锋 周士康 |
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| 作者单位： | Department of Applied Physics,Shanghai Jiao Tong University,Shanghai 200030,China;Laser Spectroscopy Laboratory,Anhui Institute of Optics and Fine Mechanics,Chinese;Department of Applied Physics,Shanghai Jiao Tong University,Shanghai 200030,China;Laser Spectroscopy Laboratory,Anhui Institute of Optics and Fine Mechanics,Chinese |
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| 基金项目： | Project supported by the Senior Visiting Scholar Project of the Chinese Academy of Sciences |
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| 摘 要： | We have established the master equation for the micromaser with the ultra-cold Λ-type three-level atoms and studied the photon statistics of the micromaser field. We find that as the atoms become colder,the change of the mean photon-number and the normalized standerd deviation become more regular, and their resonance peaks become sharper. For zero-temperature cavity,there are some regins in which the photon statistics are sub-Poissonian.With the increase of the cavity temperature,both the mean photon-number and the normalized standard deviation increase. When the cavity temperature is high enough, the sub-Poissonian property may disappear.
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