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| 光纤光栅半导体激光器激射波长与Bragg波长的偏离 | |
| 引用本文： | 夏光琼,吴正茂,陈建国.光纤光栅半导体激光器激射波长与Bragg波长的偏离[J].光电工程,2003,30(3):20-22. |
| 作者姓名： | 夏光琼 吴正茂 陈建国 |
| 作者单位： | 1. 西南师范大学物理系,重庆,400715 2. 西南师范大学物理系,重庆,400715;四川大学光电系,四川,成都,610064 3. 四川大学光电系,四川,成都,610064 |
| 基金项目： | 重庆应用基础研究项目，教育部重点科技项目。 |
| 摘 要： | 利用包含光纤布拉格光栅(FBG)反射率分布的光纤光栅外腔半导体激光器(FGSL)的理 论模型,对FGSL 的激射波长进行了研究。结果表明激射波长并不一定在FBG布拉格反射波长处;布拉格反射波长相对于激射波长的偏移量与FBG的反射率分布、半导体增益介质的增益谱分布及增益峰值波长有关;激射波长可大于或小于布拉格反射波长。 |
| 关 键 词： | 光纤布拉格光栅 半导体激光器 激射波长 反射波长 |
| 文章编号： | 1003-501X(2003)03-0020-03 |
| 收稿时间： | 2002/5/8 |
| 修稿时间： | 2002年5月8日 |
Deviation between Lasing Wavelength and Bragg Wavelength of Fiber Grating Semiconductor Laser |
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| XIA Guang-qiong,WU Zheng-mao,CHEN Jian-guo.Deviation between Lasing Wavelength and Bragg Wavelength of Fiber Grating Semiconductor Laser[J].Opto-Electronic Engineering,2003,30(3):20-22. | |
| Authors: | XIA Guang-qiong WU Zheng-mao CHEN Jian-guo |
| Affiliation: | XIA Guang-qiong1,WU Zheng-mao1,2,CHEN Jian-guo2 |
| Abstract: | The lasing wavelength of fiber grating semiconductor laser is studied by using a theoretical model including fiber grating semiconductor laser of fiber Bragg grating reflectivity distribution. The results show that the lasing wavelength is uncertainly at fiber Bragg reflection wavelength position. The deviation of Bragg reflection wavelength with respect to the lasing wavelength is related to reflectivity distribution of fiber Bragg grating, gain spectral distribution of semiconductor gain media and gain peak wavelength. Lasing wavelength can be larger or less than Bragg reflection wavelength. |
| Keywords: | Fiber Bragg grating Semiconductor laser Lasing wavelength Reflection wavelength |
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