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关联噪声驱动下单模激光损失模型的输出功率

The output power of a loss model with a single-mode laser driven by cross-correlation noise

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【作者】 程庆华曹力吴大进王俊

【Author】 Cheng Qinghua Cao Li Wu Dajin Wang JunAssoc. Prof.; Dept. of Physics, Jinzhou T eachers College, Jinzhou 434100, China.

【机构】 荆州师范学院物理系华中科技大学激光技术国家重点实验室华中科技大学激光技术国家重点实验室 湖北荆州434100湖北武汉430074湖北武汉430074

【摘要】 运用线性化近似方法分析具有实虚部关联的量子噪声和泵噪声驱动的单模激光损失模型的动力学性质 ,计算了光强的关联函数、功率谱及输出功率 ,讨论了量子噪声实虚部关联系数λq,量子噪声强度P和净增益系数a0 对输出功率的不同影响 ,并发现输出功率S随λq 的关系曲线在a0 改变时出现了类似于概率分布中的“重复相变”等新现象

【Abstract】 By using the linear approximation method, the dynamic p roperty of a loss model with a single-mode laser driven by pump noise and quant um noise with cross-correlated real and imaginary parts was studied, and the in tensity correlation function, the power spectrum, and the output power were calc ulated. The influences on output power of the correlation coefficient λ q between the real and imaginary parts of the quantum noise , quantum noise P, and net gain a 0 were discussed. It was found that some new phenomena woul d appear in the curve of the dependence of output power S upon the λ q when net gain a 0 was charged. It was similar to “repeat phase transforma tion” in probability distribution.

【关键词】 单模激光噪声间关联功率谱
【Key words】 single-mode lasercorrelation noisepowe r spectrum
【基金】 国家自然科学基金资助项目(10 2 750 2 5);湖北省教育厅重点科研(然科学类 )资助项目(2 0 0 3A0 0 1)
  • 【文献出处】 华中科技大学学报(自然科学版) ,Journal of Huazhong University of Science and Technology , 编辑部邮箱 ,2004年02期
  • 【分类号】O432.12
  • 【被引频次】4
  • 【下载频次】64
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