| 利用光自注入改善DFB激光器的频率响应 |
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| 引用本文： | 王欣,温继敏,黄亨沛,袁海庆,谢亮,祝宁华. 利用光自注入改善DFB激光器的频率响应[J]. 半导体学报, 2007, 28(2): 254-257 |
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| 作者姓名： | 王欣 温继敏 黄亨沛 袁海庆 谢亮 祝宁华 |
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| 作者单位： | 中国科学院半导体研究所 集成光电子学国家重点实验室，北京 100083;中国科学院半导体研究所 集成光电子学国家重点实验室，北京 100083;中国科学院半导体研究所 集成光电子学国家重点实验室，北京 100083;中国科学院半导体研究所 集成光电子学国家重点实验室，北京 100083;中国科学院半导体研究所 集成光电子学国家重点实验室，北京 100083;中国科学院半导体研究所 集成光电子学国家重点实验室，北京 100083 |
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| 基金项目： | 国家自然科学基金 , 国家重点基础研究发展计划(973计划) |
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| 摘 要： | 介绍了一种简单有效的自注入方法,通过该方法对直接调制的分布反馈半导体激光器进行光自注入,可以得到非常平坦的频率响应曲线.实验中使用一个环形器和一个1×2耦合器来实现光自注入.实验结果表明,在不同的偏置电流下,适当改变自注入光的偏振状态,频率响应曲线的张弛振荡峰可以得到很好地抑制.
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| 关 键 词： | 分布反馈式半导体激光器 直接强度调制 频率响应 光自注入 张弛振荡 |
| 文章编号： | 0253-4177(2007)02-0254-04 |
| 修稿时间： | 2006-09-28 |
Self-Seeding of DFB Laser to Improve the Frequency Response |
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| Wang Xin,Wen Jimin,Huang Hengpei,Yuan Haiqing,Xie Liang and Zhu Ninghua. Self-Seeding of DFB Laser to Improve the Frequency Response[J]. Chinese Journal of Semiconductors, 2007, 28(2): 254-257 |
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| Authors: | Wang Xin Wen Jimin Huang Hengpei Yuan Haiqing Xie Liang Zhu Ninghua |
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| Affiliation: | State Key Laboratory of Integrated Optoelectronics,Institute of Semiconductors,Chinese Academy of Sciences,Beijing 100083,China;State Key Laboratory of Integrated Optoelectronics,Institute of Semiconductors,Chinese Academy of Sciences,Beijing 100083,China;State Key Laboratory of Integrated Optoelectronics,Institute of Semiconductors,Chinese Academy of Sciences,Beijing 100083,China;State Key Laboratory of Integrated Optoelectronics,Institute of Semiconductors,Chinese Academy of Sciences,Beijing 100083,China;State Key Laboratory of Integrated Optoelectronics,Institute of Semiconductors,Chinese Academy of Sciences,Beijing 100083,China;State Key Laboratory of Integrated Optoelectronics,Institute of Semiconductors,Chinese Academy of Sciences,Beijing 100083,China |
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| Abstract: | A simple and effective self-seeding method of DFB lasers is presented.The frequency responses of a directly modulated DFB laser become very flat with this self-seeding method.Experiment was done using a three-port optical circulator and a 1×2 optical coupler.The results show that the peak of relaxation oscillation of the frequency response curves can be restrained significantly by changing the polarization of the self-seeding light. |
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| Keywords: | distributed feedback laser direct intensity modulation frequency response self-seeding relaxation oscillation |
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