| 多模半导体激光器开启瞬态光强噪声的模拟计算 |
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| 引用本文： | 刘廷禹,蔡英时.多模半导体激光器开启瞬态光强噪声的模拟计算[J].上海理工大学学报,2001,23(4):343-345. |
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| 作者姓名： | 刘廷禹 蔡英时 |
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| 作者单位： | 1. 上海理工大学,基础教学部,上海200093
2. 上海大学,物理系,上海201800 |
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| 摘 要： | 通过对含Langevin项噪声源的多模速率方程的分析，利用状态空间法得到光强噪声及其自相关函数的分析解；用数值方法计算了开启瞬态主模及第一边模的光强噪声及其自相关函数。计算结果表明，主模的光强噪声在开启瞬态主要表现为开启颤抖时间，边模的起伏表明开启瞬态容易引起边模效应。
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| 关 键 词： | 半导体激光器 噪声 状态空间法 方差 自相关函数 光强噪声 模拟计算 |
| 文章编号： | 1007-6735(2001)04-0342-04 |
| 修稿时间： | 2001年2月9日 |
A simulation of the turn-on transient intensity noise of multi-mode semiconductor lasers |
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| LIU Ting-yu,CAI Ying-shi.A simulation of the turn-on transient intensity noise of multi-mode semiconductor lasers[J].Journal of University of Shanghai For Science and Technology,2001,23(4):343-345. |
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| Authors: | LIU Ting-yu CAI Ying-shi |
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| Institution: | LIU Ting-yu1,CAI Ying-shi2 |
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| Abstract: | Analytical solution to rate equation with Langevin noise is described by a state-space method. The numerical calculations of the variance and the autocorrelation function of the transient intensity noise in main mode and in the first side-mode are carried out. It is shown that a significant part of the nonstationary intensity noise can be described as timing jitter of the relaxation oscillation and the events transient side-mode fluctuation easily takes place. |
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| Keywords: | semiconductor laser noise state-space method variance autocorrelation function |
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