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Transmission and demodulation of multi-polarization-multiplexed signals |
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| Authors: | Zhiyu Chen Lianshan Yan Wei Pan Bin Luo Yinghui Guo Hengyun Jiang Anlin Yi Xiaoxia Wu Wei Li Jianguo Liu |
| Institution: | 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 |
| Abstract: | 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. |
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