| Influence of net gain on the statistical fluctuation in a single-mode laser system |
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| 作者姓名： | 程庆华 徐大海 曹力 吴大进 |
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| 作者单位： | School of Physical and Technology Yangtze University，School of Physical and Technology Yangtze University，State Key Laboratory of Laser Technology Huazhong University of Science and Technology，Department of Physics Huazhong University of Science and Technology Jingzhou 434023 State Key Laboratory of Laser Technology Huazhong University of Science and Technology Wuhan 430074，Jingzhou 434023 Department of Physics Huazhong University of Science and Technology Wuhan 430074，Wuhan 430074，Wuhan 430074 |
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| 基金项目： | This work was supported by the National Natural Science Foundation of China (No. 10275025) and the Key Project of the Educational Office of Hubei Province (No. D200612001, 2004X052). |
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| 摘 要： | ![]()
Using linear approximation method, we calculate the intensity correlation time of a single-mode laser driven by both colored pump noise with signal modulation and the quantum noise with cross-correlation between its real and imaginary parts, and analyze the influence of the net gain coefficientα_0 on the statistical fluctuation of the laser system. It is found that for the case that the colored pump noise is long time correlated, the main factor influencing the statistical fluctuation of the laser system isα_0, and the frequency of the modulation signal has negligible effect on the statistical fluctuation of the laser system.
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