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| 前馈PMD补偿实验中从偏振度椭球获得差分群时延的研究 | |
| 引用本文： | 段高燕,张晓光,于丽,张茹,杨伯君.前馈PMD补偿实验中从偏振度椭球获得差分群时延的研究[J].光子学报,2006,35(12):1861-1864. |
| 作者姓名： | 段高燕 张晓光 于丽 张茹 杨伯君 |
| 作者单位： | 北京邮电大学理学院,北京,100876;北京邮电大学光通信与光波技术教育部重点实验室,北京,100876 |
| 摘 要： | 运用偏振度(DOP)椭球法从实验的有限样点数据中获得了差分群时延和偏振主态方向,这为前馈补偿实验提供了最关键的技术因素.在实验中获得了偏振主态方向和DGD,而且当DGD较小时,从实验所获得的DGD值与理论模拟的变化趋势基本一致.结果表明当DGD较小时,可以用偏振度椭球法从实验上得到正确的DGD和偏振主态方向. |
| 关 键 词： | 光纤通信 偏振模色散 前馈 偏振度椭球 差分群时延 |
| 收稿时间： | 2005-07-12 |
| 修稿时间： | 2005年7月12日 |
Experimental Research on Obtaining DGD from the Degree of Polarization Ellipsoids |
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| Duan Gaoyan,Zhang Xiaoguang,Yu Li,Zhang Ru,Yang Bojun.Experimental Research on Obtaining DGD from the Degree of Polarization Ellipsoids[J].Acta Photonica Sinica,2006,35(12):1861-1864. | |
| Authors: | Duan Gaoyan Zhang Xiaoguang Yu Li Zhang Ru Yang Bojun |
| Institution: | 1 Department of Physics,School of Science,Beijing University of Posts & Telecommunications,Beijing 100876 2 Key Laboratory of Optical Communication & Lightwave Technologies,Ministry of Education,Beijing University of Posts & Telecommunications,Beijing 100876 |
| Abstract: | By using the degrees of polarization (DOP) ellipsoid method,the values of differential group delay(DGD) and the direction of the principal sterte of polarization(PSP) were obtained from limited sampling data in the experiment,which provided the most key factors of the feed-forward compensation scheme.Moreover,the values of DGD obtained from the experiment were accordant with that of the theoretical values when the DGDs were less than 30 ps.Results indicated that DGD and the orientation of PSP could be obtained by using the DOP ellipsoid method in the experiments. |
| Keywords: | Optical fiber communication Polarization mode dispersion Feed-forward Degree of polarization ellipsoid Differential group delay |
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