| 基于自相位调制原理的光纤非线性系数测量 |
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| 引用本文： | 李赟,吴重庆,李亚捷,付松年.基于自相位调制原理的光纤非线性系数测量[J].半导体光电,2006,27(4):455-458. |
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| 作者姓名： | 李赟 吴重庆 李亚捷 付松年 |
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| 作者单位： | 1. 北京交通大学,理学院,光信息科学与技术研究所,北京,100044
2. 北京交通大学,电子信息工程学院,北京,100044 |
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| 摘 要： | 光纤的非线性效应对于光纤通信具有重要意义.准确测量光纤的非线性系数是有效利用或抑制各种非线性效应的基础.介绍了利用自相位调制测量非线性系数的原理并探讨了对实验装置的具体要求;给出了色散位移光纤(DSF)和普通单模光纤(SMF)的实测结果;结果表明,无论使用输出光谱左侧还是右侧的主瓣和旁瓣光强比值I0/I1均可计算出准确数值;最后讨论了偏振和色散对测量结果的影响.
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| 关 键 词： | 非线性系数 单模光纤 色散位移光纤 自相位调制 自相位 调制原理 光纤非线性 系数测量 Self Phase Modulation Based Coefficient Nonlinear Fiber 影响 测量结果 色散位移光纤 偏振 数值 可计算 光强比值 旁瓣 主瓣 输出光谱 使用 |
| 文章编号： | 1001-5868(2006)04-0455-04 |
| 收稿时间： | 2005-11-03 |
| 修稿时间： | 2005年11月3日 |
Measurement of Fiber Nonlinear Coefficient Based on Self Phase Modulation |
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| LI Yun,WU Chong-qing,LI Ya-jie,FU Song-nian.Measurement of Fiber Nonlinear Coefficient Based on Self Phase Modulation[J].Semiconductor Optoelectronics,2006,27(4):455-458. |
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| Authors: | LI Yun WU Chong-qing LI Ya-jie FU Song-nian |
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| Affiliation: | 1. Institute of Optical Information Science and Technology,School of Science; 2. School of Electronics and Information Engineering,Beijing Jiaotong University, Beijing 100044,CHN |
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| Abstract: | The nonlinearities of the optical fibers are playing an important role in optical transmission systems.Measuring well the nonlinear coefficient of optical fibers is the base of effectively utilizing or restraining these nonlinearities.The measurement principle on CW-LD-self phase modulation(SPM) and the requirement on experiment setup are introduced,and the measurement results of dispersion shift fiber(DSF) and single mode fiber(SMF) are given.It draws the conclusion that the true results can be got no matter which light intensity ratio I_0/I_1(right or left).At last,the influences of polarization and chromatic dispersion are discussed. |
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| Keywords: | nonlinear coefficient SMF DSF SPM |
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