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Proceedings Paper

Analysis of OSNR margin improvement in beyond 100Gb/s PDM-DQPSK systems due to FEC
Author(s): Deyuan Chang; Fan Yu; Yuanda Huang; Bangning Mao; Yuanyuan Fang; Li Zeng; Qianjin Xiong
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Paper Abstract

The OSNR margin improvements due to FEC limit elevation in 112Gb/s PDM-DQPSK systems under two different receiver schemes, direct detection and coherent detection with digital signal processing (DSP), are analyzed. FEC limit elevation provides more benefit to the direct detection scheme than to the coherent detection scheme in 112Gb/s PDMRZ-DQPSK system. For the cases of non-ideal receivers employment and long haul fiber link transmission, FEC performance improvement is more profitable than that for the ideal BtB case.

Paper Details

Date Published: 2 December 2009
PDF: 5 pages
Proc. SPIE 7632, Optical Transmission Systems, Switching, and Subsystems VII, 76322W (2 December 2009); doi: 10.1117/12.852189
Show Author Affiliations
Deyuan Chang, Huawei Technologies Co., Ltd. (China)
Fan Yu, Huawei Technologies Co., Ltd. (China)
Yuanda Huang, Huawei Technologies Co., Ltd. (China)
Bangning Mao, Huawei Technologies Co., Ltd. (China)
Yuanyuan Fang, Huawei Technologies Co., Ltd. (China)
Li Zeng, Huawei Technologies Co., Ltd. (China)
Qianjin Xiong, Huawei Technologies Co., Ltd. (China)


Published in SPIE Proceedings Vol. 7632:
Optical Transmission Systems, Switching, and Subsystems VII
Dominique Chiaroni, Editor(s)

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