| 自发发射因子在外腔半导体激光器的模式选择和线宽压缩过程中的作用 |
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| 引用本文： | 郭长志,黄永箴. 自发发射因子在外腔半导体激光器的模式选择和线宽压缩过程中的作用[J]. 半导体学报, 1990, 11(9): 654-658 |
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| 作者姓名： | 郭长志 黄永箴 |
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| 作者单位： | 北京大学物理系固体能谱研究室(郭长志)，北京大学物理系固体能谱研究室(黄永箴) |
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| 摘 要： | 本文提出并论证外腔模式自发发射因子急剧减小使模式选择所需的增益差和光场相位噪声皆急剧减小是外腔半导体激光器具有优异的纵模选择和线宽压缩性能同时又具有严重不稳定性的统一的关键性物理根源。
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| 关 键 词： | 外腔 半导体激光器 自发发射因子 模式选择 光谱线宽压缩 |
Role of Spontaneous Emission Factor in Mode Selection and Linewidth Compression in the External Cavity Semiconductor Lasers |
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| Guo Changzhi/. Role of Spontaneous Emission Factor in Mode Selection and Linewidth Compression in the External Cavity Semiconductor Lasers[J]. Chinese Journal of Semiconductors, 1990, 11(9): 654-658 |
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| Authors: | Guo Changzhi/ |
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| Affiliation: | Guo Changzhi/Department of Physics,Peking UniversityHuang Yongzhen/Department of Physics,Peking University |
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| Abstract: | It is proposed and shown theoretically that the physical origin of the excellent mode selectivityand linewidth compressibility but with serious mode instability in the external cavity semiconductorlasers is commonly the drastical decrease of spontaneous emission factor of the externalcavity mode relative to that of single F-P cavity mode, which results in decreasing drasticallyboth the gain difference needed for mode selection and the laser phase noise by spontaneous emissiondetermining the spectral linewidth. This may clear up more satisfactorily such a puzzlingproblem. |
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| Keywords: | External cavity Semiconductor laser Spontaneous emission factor Mode selection Spectral linewidth compression |
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