| Threshold gain behavior of lasing modes in two-dimensional active random media |
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| 作者姓名： | 王春 刘劲松 王可嘉 吕健滔 樊婷 刘海 |
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| 作者单位： | State Key Laboratory of Laser Technology Huazhong University of Science and Technology Wuhan 430074，State Key Laboratory of Laser Technology Huazhong University of Science and Technology，Wuhan 430074，State Key Laboratory of Laser Technology Huazhong University of Science and Technology，Wuhan 430074，State Key Laboratory of Laser Technology Huazhong University of Science and Technology，Wuhan 430074，State Key Laboratory of Laser Technology Huazhong University of Science and Technology，Wuhan 430074，State Key Laboratory of Laser Technology Huazhong University of Science and Technology，Wuhan 430074 |
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| 基金项目： | This work was supported by the National Natural Science Foundation of China (No. 60378001)the Key Program of the Natural Science Foundation of Hubei Province (No. 2001ABA003). |
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| 摘 要： | The pumping rate dependence of the peak intensity of the individual lasing mode in two-dimensional (2D) active random media is investigated. The results show that these modes have a typical threshold gain behavior and different threshold pumping rates. There exists a certain correspondence between the mode's threshold pumping rate and its lifetime, and the longer the lifetime is, the lower the threshold is.
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