| 光纤光栅对FBG-ECL静态特性的影响 |
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| 引用本文： | 赵同刚,高惠平,任建华.光纤光栅对FBG-ECL静态特性的影响[J].光学技术,2007,33(1):116-118. |
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| 作者姓名： | 赵同刚 高惠平 任建华 |
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| 作者单位： | 北京邮电大学,电子工程学院,北京,100876;北京邮电大学,电子工程学院,北京,100876;北京邮电大学,电子工程学院,北京,100876 |
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| 摘 要： | 光纤光栅外腔半导体激光器(FBG-ECL)在未来光通信系统占有着越来越重要的地位。根据FBG-ECL的等效腔模型,讨论了光纤光栅反射率、带宽对FBG-ECL的输出功率,阈值特性、边模抑制比等静态特性的影响。指出了存在最佳光纤光栅峰值反射率,不仅使得FBG-ECL具有更高的输出功率,而且可以获得极好的边模抑制比。最后根据实测在不同反射率下外腔激光器的激射光谱,发现理论分析结果和实验数据是吻合的。
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| 关 键 词： | 光纤光栅 外腔半导体激光器 阈值电流 边模抑制比 |
| 文章编号： | 1002-1582(2007)01-0116-03 |
| 收稿时间： | 2005/11/22 |
| 修稿时间： | 2005年11月22 |
The influence of the optical fiber grating on FBG-ECL's static characteristic |
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| ZHAO Tong-gang,GAO Hui-ping,REN Jian-hua.The influence of the optical fiber grating on FBG-ECL's static characteristic[J].Optical Technique,2007,33(1):116-118. |
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| Authors: | ZHAO Tong-gang GAO Hui-ping REN Jian-hua |
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| Abstract: | As the key apparatus,the optical fiber Bragg grating external cavity semiconductor laser will take a very important role in future optical communication system.Utilizing equivalent external cavity approximation model,the influence of peak reflectivity and bandwidth of optical Bragg grating on characteristic of FBG-ECL were analyzed,which included output optical power,threshold current,side-mode suppression ratio and so on.Research results shows that adopting best peak reflectivity would make FBG-ECL having high output power and fine side-mode suppression ratio at same time.The output spectrum of FBG-ECL in different peak reflectivity was practically measured.The result of experiment is accordant with theoretical analysis' conclusion. |
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| Keywords: | fiber grating external cavity semiconductor lasers threshold current side-mode suppression ratio |
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