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Transmission and demodulation of multi-polarization-multiplexed signals

ISSN号：1005-0086
期刊名称：《光电子．激光》
时间：0
分类：TN911.72[电子电信—通信与信息系统;电子电信—信息与通信工程] TN929.11[电子电信—通信与信息系统;电子电信—信息与通信工程]
作者机构：[1]Center for Information Photonics and Communications, School of Information Science and Technology, Southwest Jiaotong University, Chengdu 610031, China, [2]JDS Uniphase Corporation, 430 N McCarthy Blvd., Milpitas,CA 95035, USA, [3]Institute of Semiconductors, Chinese Academy of Sciences,Beijing 100083, China
相关基金：Acknowledgments This work was supported by the National Basic Research Program of China （＂973＂ Program）（2012CB315704） and the National Natural Science Foundation of China （61275068, 61111140390）.

作者： Zhiyu Chen[1], Lianshan Yan[1], Wei Pan[1], Bin Luo[1], Yinghui Guo[1], Hengyun Jiang[1], Anlin Yi[1], Xiaoxia Wu[2], Wei Li[3], Jianguo Liu[3]

关键词：数字信号处理, 偏振复用, 传输性能, 解调, PM系统, 偏振分束器, 偏振模色散, 光纤链路, Optical communication, Polarizationdivision multiplexing , Polarization mode dispersion, Coherent detect, Feedback decision equalizer

中文摘要：

We propose the configuration of signal multiplexing with four polarization states and investigate its transmission performance over single-mode fiber links.Using coherent detection and digital signal processing,a demodulation scheme for four-polarization-multiplexed(4PM)system is presented.We discuss the impact of crosstalk from polarization mode dispersion and polarization beam splitter misalignment on the proposed 4PM system.Furthermore,the transmission distance could be doubled to*50 km by employing feedback decision equalizers.

英文摘要：

We propose the configuration of signal multi- plexing with four polarization states and investigate its transmission performance over single-mode fiber links. Using coherent detection and digital signal processing, a demodulation scheme for four-polarization-multiplexed （4PM） system is presented. We discuss the impact of crosstalk from polarization mode dispersion and polarization beam splitter misalignment on the proposed 4PM system. Furthermore, the transmission distance could be doubled to -50 km by employing feedback decision equalizers.

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