Demonstration of PMD compensation by using a DSP-Based OPMDC prototype in a 43-Gb/s RZ-DQPSK, 1200 km DWDM transmission |
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| Authors: | Xiaoguang Zhang Xuan Weng Feng Tian Wenbo Zhang Lixia Xi Guangyong Zhang |
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| Institution: | a Key Libratory of Information Photonics and Optical Communications (BUPT), Ministry of Education, Beijing University of Posts and Telecommunications, P. O. Box 72#, Beijing 100876, Chinab Institute of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing, 100876, Chinac Network Research Department, Huawei Technologies Co., Ltd., Shenzhen 518129, China |
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| Abstract: | This paper reports the DSP-based prototype compensator we have made to compensate the polarization mode dispersion (PMD) in fibers. It was tested in one channel of a 40 × 43-Gb/s DWDM DQPSK system, which is the commercial product line, either in the back-to-back case by using a PMD emulator, or in a 1200-km transmission testbed. The prototype showed a good performance under the tests of fast SOP and PSP rotation, DGD jump variation, and moderate knock on the testbed in a period as long as 12 h. |
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| Keywords: | Polarization mode dispersion Compensation prototype Differential group velocity State of polarization Principal states of polarization |
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