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| 偏振模色散引起的脉冲展宽对接收灵敏度及频谱的影响 | |
| 引用本文： | 刘剑飞,于晋龙,王剑,胡浩,刘仲恒,杨恩泽.偏振模色散引起的脉冲展宽对接收灵敏度及频谱的影响[J].光学学报,2003,23(2):88-192. |
| 作者姓名： | 刘剑飞 于晋龙 王剑 胡浩 刘仲恒 杨恩泽 |
| 作者单位： | 1. 天津大学电子信息学院,教育部光电信息技术中心重点实验室,天津,300072;河北工业大学信息学院,天津,300130 2. 天津大学电子信息学院,教育部光电信息技术中心重点实验室,天津,300072 3. 华为技术有限公司,深圳,518057 |
| 基金项目： | 国家科委 86 3计划支持项目 ( 86 32 0 0 1AA312 2 2 )，华为技术有限公司资助课题。 |
| 摘 要： | 在10Gbit/s以上的光纤通信系统中，偏振模色散的影响已不可忽略，它可以引起信号脉冲的展宽，使接收系统的误码率上升，分析了偏振模色散引起的脉冲展宽对接收灵敏度及接收信号频谱的影响，并进行了实验验证，对进行偏振模色散的自动补偿具有重要意义。 |
| 关 键 词： | 脉冲展宽 频谱 光纤通信 偏振模 接收灵敏度 信号功率谱 色散补偿 |
| 收稿时间： | 2002/2/4 |
Study on Effect of PMD-Induced Pulse Broadening on Sensitivity and Frequency Spectrum |
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| Liu Jianfei , Yu Jinlong Wang Jian Hu Hao Liu Zhongheng Yang Enze School of Electronics and Information Engineering,Tianjin Univ.,Key Lab. of Opto-Electronics Information Technical Science,EMC,Tianjin Huawei Com. Ltd.,Shenzhen Hebei University of Technology,Tianjin.Study on Effect of PMD-Induced Pulse Broadening on Sensitivity and Frequency Spectrum[J].Acta Optica Sinica,2003,23(2):88-192. | |
| Authors: | Liu Jianfei Yu Jinlong Wang Jian Hu Hao Liu Zhongheng Yang Enze School of Electronics and Information Engineering Tianjin Univ Key Lab of Opto-Electronics Information Technical Science EMC Tianjin Huawei Com Ltd Shenzhen Hebei University of Technology Tianjin |
| Institution: | Received 4 February 2002; revised 10 June 200 |
| Abstract: | The PMD-induced pulse broadening may cause degradation of receiver sensitivity and has negative effects on the power spectrum of received signals. The effect of PMD-induced pulse broadening on receiver sensitivity, the effect of PMD on the spectrum of received power is analyzed, and the experiment results are provided. Finally, the scheme with which the power of a certain frequency component is extracted as a feedback control signal in a PMD compensation system is discussed. |
| Keywords: | optical fiber communication technology polarization mode dispersion (PMD) receiver sensitivity power frequency spectrum PMD compensation |
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