| 基于半导体激光放大器增益饱和的波长转换的小信号分析 |
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| 引用本文： | 孙军强,黄德修,易河清.基于半导体激光放大器增益饱和的波长转换的小信号分析[J].物理学报,1997,46(12):2369-2375. |
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| 作者姓名： | 孙军强 黄德修 易河清 |
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| 作者单位： | (1)华中理工大学光电子工程系; (2)武汉邮电科学研究院 |
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| 基金项目： | 国家高技术研究发展计划,华中理工大学青年基金 |
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| 摘 要： | 利用小信号模型对基于半导体激光放大器增益饱和的波长转换作了理论分析和实验研究，并获得了波长转换效率与半导体激光放大器特性参数关系的解析表达式．通过数学计算表明，波长转换器的频率响应不仅受到半导体激光放大器的载流子寿命的限制，而且受到半导体激光放大器的饱和功率、增益以及光波导损耗的影响．
关键词：
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| 关 键 词： | 波长转换 信号分析 半导体 激光放大器 增益 |
| 收稿时间： | 1997-04-10 |
SMALL SIGNAL ANALYSIS OF WAVELENGTH CONVERSION IN SEMICONDUCTOR LASER AMPLIFIERS BASED ON GAIN SATURATION |
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| SUN JUN-QIANG,HUANG DE-XIU and YI HE-QING.SMALL SIGNAL ANALYSIS OF WAVELENGTH CONVERSION IN SEMICONDUCTOR LASER AMPLIFIERS BASED ON GAIN SATURATION[J].Acta Physica Sinica,1997,46(12):2369-2375. |
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| Authors: | SUN JUN-QIANG HUANG DE-XIU and YI HE-QING |
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| Abstract: | Wavelength conversion due to gain saturation in a semiconductor laser amplifier(SLA) is theoretically analyzed and also-studied experimentally based on small signal model.An analytic expression is developed describing the relationship between-conversion efficiency and characteristic parameters of SLA. The numerical simulation results show that the frequency response of the converter is not only limited to the carrier lifetime, but also affected by the saturation power, gain and waveguide internal loss of SLA. |
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