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Proceedings Paper

Research on feed-forward PMD compensation
Author(s): Hao Hu; Jin-long Yu; Li-tai Zhang; Wen-rui Wang; Jian Wang; Hao Yan; Yang Wang; Yue Cui; En-ze Yang
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Paper Abstract

The key problem of feed-forward first-order polarization mode dispersion (PMD) compensation is that how to determine the principle state of polarization (PSP) direction and differential group delay (DGD) in the transmission line. We firstly derive the simple mathematical expression of the relationship between degree of polarization (DOP) and differential group delay (DGD) for arbitrary Gauss pulse sequences, and get the conclusion that the relationship between DOP and DGD is mainly dependent on spectral width and splitting ratio. Then, we theoretically analyzes the function of a scrambler, and the effect of different magnitude and direction of PMD on the output SOPs. We get the conclusion that the two SOPs of DOP maximums are the PSPs’ direction, and DOP minimums corresponds that splitting ratio is 0.5. Consequently it indicates that PSPs’ direction and DGD can be calculated by measuring the output SOPs, DOPs, and spectral width.

Paper Details

Date Published:
PDF: 4 pages
Proc. SPIE 6353, Optical Transmission, Switching, and Subsystems IV, 63530Z; doi: 10.1117/12.690139
Show Author Affiliations
Hao Hu, Tianjin Univ. (China)
Jin-long Yu, Tianjin Univ. (China)
Li-tai Zhang, Tianjin Univ. (China)
Wen-rui Wang, Tianjin Univ. (China)
Jian Wang, Tianjin Univ. (China)
Hao Yan, Tianjin Univ. (China)
Yang Wang, Tianjin Univ. (China)
Yue Cui, Tianjin Univ. (China)
En-ze Yang, Tianjin Univ. (China)

Published in SPIE Proceedings Vol. 6353:
Optical Transmission, Switching, and Subsystems IV
Chang Soo Park; Shizhong Xie; Curtis R. Menyuk; Ken-ichi Kitayama, Editor(s)

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