| 微腔半导体激光器的两种新调制方法 |
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| 引用本文： | 郑云龙,王英龙.微腔半导体激光器的两种新调制方法[J].光子学报,1998,27(11):987-990. |
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| 作者姓名： | 郑云龙 王英龙 |
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| 作者单位： | 河北大学物理系 |
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| 摘 要： | 本文提出微腔半导体激光器的两种新调制方法:自发发射寿命调制和光子寿命调制。小信号近似分析的数值模拟结果表明,这两种调制方法的调制带宽大于同参数下的电流调制的带宽。
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| 关 键 词： | 微腔半导体激光器 自发发射寿命调制 光子寿命调制 |
| 收稿时间： | 1998-01-21 |
NEW MODULATION METHODS OF MICRO CAVITY SEMICONDUCTOR LASERS |
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| Zheng Yunlong,Wang Yinglong,Ding Wen’ge.NEW MODULATION METHODS OF MICRO CAVITY SEMICONDUCTOR LASERS[J].Acta Photonica Sinica,1998,27(11):987-990. |
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| Authors: | Zheng Yunlong Wang Yinglong Ding Wen’ge |
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| Institution: | Department of Physics, Hebei University, Baoding, 071002 |
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| Abstract: | In this paper,new modulation methods of micro-cavity semiconductor lasers,the spontaneous lifetime modulation and the photon lifetime modulation are proposed,their normalized intensity modulation responses versus the modulation frequency are obtained by analyzing rate equations of micro-cavity semiconductor lasers in the condition of the small-signal approximation.The numerical simulation results show that their modulation bandwidths are broader than current modulation’s;the coupling efficiency of spontaneous emission into a lasing mode,injection current and so on have influence on modulation bandwidths of the spontaneous lifetime modulation and the photon lifetime modulation;the photon lifetime modulation is superior to the spontaneous lifetime modulation in noise suppression. |
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| Keywords: | Micro cavity semiconductor lasers Spontaneous lifetime modulation Photon lifetime modulation |
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