| 激光器型全光波长转换器的小信号分析 |
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| 引用本文： | 马军山,方祖捷. 激光器型全光波长转换器的小信号分析[J]. 光学技术, 2002, 28(6): 568-569 |
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| 作者姓名： | 马军山 方祖捷 |
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| 作者单位： | 上海理工大学,光学与电子信息工程学院,上海,200093;中国科学院,上海光学精密机械研究所,上海,201800 |
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| 摘 要： | 当外部光子注入到激光器有源腔中时 ,载流子把被注入光子消耗的一部分放大 ,进而激光器自身的输出功率将降低。基于此 ,可以实现全光波长转换。理论上基于载流子消耗机制 ,对激光器型波长转换器进行了小信号分析 ,给出了频率响应函数。理论分析表明 ,激光器型全光波长转换器的转换速度取决于激光器光子寿命以及激光器腔内的光子密度。
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| 关 键 词： | 全光波长转换 半导体激光器 载流子消耗 转换速率 |
| 文章编号： | 1002-1582(2002)06-0568-02 |
| 修稿时间： | 2001-02-12 |
Small signal analysis of laser diode-type all-optical wavelength converter |
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| MA Jun shan ,FANG Zu jie. Small signal analysis of laser diode-type all-optical wavelength converter[J]. Optical Technique, 2002, 28(6): 568-569 |
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| Authors: | MA Jun shan FANG Zu jie |
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| Affiliation: | MA Jun shan 1,FANG Zu jie 2 |
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| Abstract: | When external photons are injected into the active region of the laser diode, carrier in the active region of the laser diode is depleted by external photons, and injected photons are amplified, and the output power of the laser diode is reduced. Therefor all optical wavelength conversion can be realized using carrier depletion. The small signal analysis of laser diode type all optical wavelength converter is presented using carrier depletion, and the frequency response function is given. Theoretical analysis shows that the conversion speed of the wavelength converter is dependent on the lifetime of photon and photon density in active region. |
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| Keywords: | all optical wavelength conversion laser diode carrier depletion conversion speed |
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