| 波长可调谐取样光纤光栅激光器的输出特性研究 |
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| 引用本文： | 刘艳,汪磊石,陶沛琳,冯素春,尹国路,任文华,谭中伟,简水生.波长可调谐取样光纤光栅激光器的输出特性研究[J].物理学报,2011,60(2):24207-024207. |
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| 作者姓名： | 刘艳 汪磊石 陶沛琳 冯素春 尹国路 任文华 谭中伟 简水生 |
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| 作者单位： | 北京交通大学光波技术研究所,全光网络与现代通信网教育部重点实验室,北京 100044 |
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| 基金项目： | 国家自然科学基金(批准号:60707007)、国家重点基础研究发展计划(批准号: 2010CB328206)和国家高技术研究发展计划(批准号: 2008AA01Z215)资助的课题. |
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| 摘 要： | 建立了具有两个取样周期略有不同的取样光纤光栅反射镜的Vernier波长调谐机制的光纤分布布拉格反射式激光器的数值仿真模型,对激光器的输出特性进行了分析. 研究了激光器输出特性随着激光器前后光栅反射镜波长以及前后光栅反射镜反射率的变化关系. 提出了对两取样光栅反射率的优化配置方案,可以使输出激光的边模抑制比有所提高;同时对波长调节方式也进行了探讨;进行了实验研究.
关键词：
取样光纤光栅
光纤激光器
波长可调谐激光器
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| 关 键 词： | 取样光纤光栅 光纤激光器 波长可调谐激光器 |
| 收稿时间： | 2010-03-11 |
Output characteristics of wavelength tunable fiber lasers based on sampled Bragg gratings |
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| Liu Yan,Wang Lei-Shi,Tao Pei-Lin,Feng Su-Chun,Yin Guo-Lu,Ren Wen-Hua,Tan Zhong-Wei,Jian Shui-Sheng.Output characteristics of wavelength tunable fiber lasers based on sampled Bragg gratings[J].Acta Physica Sinica,2011,60(2):24207-024207. |
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| Authors: | Liu Yan Wang Lei-Shi Tao Pei-Lin Feng Su-Chun Yin Guo-Lu Ren Wen-Hua Tan Zhong-Wei Jian Shui-Sheng |
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| Institution: | Key Laboratory of All Optical Network and Advanced Telecommunication Network of Ministry of Education, Institute of Lightwave Technology, Beijing Jiaotong University, Beijing 100044, China;Key Laboratory of All Optical Network and Advanced Telecommunication Network of Ministry of Education, Institute of Lightwave Technology, Beijing Jiaotong University, Beijing 100044, China;Key Laboratory of All Optical Network and Advanced Telecommunication Network of Ministry of Education, Institute of Lightwave Technology, Beijing Jiaotong University, Beijing 100044, China;Key Laboratory of All Optical Network and Advanced Telecommunication Network of Ministry of Education, Institute of Lightwave Technology, Beijing Jiaotong University, Beijing 100044, China;Key Laboratory of All Optical Network and Advanced Telecommunication Network of Ministry of Education, Institute of Lightwave Technology, Beijing Jiaotong University, Beijing 100044, China;Key Laboratory of All Optical Network and Advanced Telecommunication Network of Ministry of Education, Institute of Lightwave Technology, Beijing Jiaotong University, Beijing 100044, China;Key Laboratory of All Optical Network and Advanced Telecommunication Network of Ministry of Education, Institute of Lightwave Technology, Beijing Jiaotong University, Beijing 100044, China;Key Laboratory of All Optical Network and Advanced Telecommunication Network of Ministry of Education, Institute of Lightwave Technology, Beijing Jiaotong University, Beijing 100044, China |
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| Abstract: | A simulation model of the fiber DBR (distributed Bragg reflector) laser with two sampled Bragg gratings (SBGs) as reflectors is established, with which the characteristics of the laser are analyzed in detail. The analysis mainly focuses on the change of the laser output characteristics with the wavelength and reflectivity of the front and back sampled fiber gratings. Because of the multi-channel reflection of SBGs, the side mode of such laser is always very obvious. The method for improving the SMSR(side mode suppression ratio) is suggested. And the wavelength tuning mechanism is also studied. Experiment has been carried out to confirm the analysis. |
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| Keywords: | sampled fiber grating fiber laser wavelength tunable laser |
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