| 考虑光纤光栅反射率分布的外腔半导体激光器的理论模型 |
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| 引用本文： | 夏光琼,吴正茂,陈建国.考虑光纤光栅反射率分布的外腔半导体激光器的理论模型[J].中国激光,2002,29(4):301-303. |
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| 作者姓名： | 夏光琼 吴正茂 陈建国 |
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| 作者单位： | 1. 西南师范大学物理系,重庆,400715;四川大学光电系,四川成都,610064
2. 四川大学光电系,四川成都,610064 |
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| 基金项目： | 重庆科委项目，高等学校骨干教师资助计划项目 |
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| 摘 要： | 提出了等效腔近似下 ,包含光纤光栅反射率分布的光纤光栅外腔半导体激光器 (FGECL)的理论模型。数值分析表明 ,用该模型所得到的模式抑制比 (MSR)明显小于把光纤光栅反射率当成点函数 (即只在某一波长处有反射率 ,其余波长处反射率为 0 )来处理时所得到的模式抑制比。
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| 关 键 词： | 光纤光栅 外腔半导体激光器 反射率分布 模式抑制比 |
| 收稿时间： | 2001/2/26 |
Theoretical Model of External Cavity Semiconductor Lasers Including the Reflectivity Distribution of Fiber Grating |
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| XIA Guang-qiong ,WU Zheng-mao ,CHEN Jian-guo.Theoretical Model of External Cavity Semiconductor Lasers Including the Reflectivity Distribution of Fiber Grating[J].Chinese Journal of Lasers,2002,29(4):301-303. |
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| Authors: | XIA Guang-qiong WU Zheng-mao CHEN Jian-guo |
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| Affiliation: | XIA Guang-qiong 1,2,WU Zheng-mao 1,2,CHEN Jian-guo 2 1Department of Physics,Southwest Normal University,Chongqing 400715 2Department of Optoelectronics,Sichuan University,Chengdu 610064 |
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| Abstract: | Using the equivalent external cavity approximation, a theoretical model of fiber grating external cavity semiconductor laser (FGECL) has been presented after taking into account the reflectivity distribution of fiber grating. The numerical analysis shows that the obtained mode suppression ratio (MSR) by the model is obviously lower than that by regarding the reflectivity distribution of fiber grating as a dot function. |
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| Keywords: | fiber grating external cavity semiconductor laser reflectivity distribution mode suppression ratio |
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