Comparison of polarization-mode dispersion compensation performance between different modulation formats

Wei Xu; Gaoyan Duan; Guangqing Fang; Lixia Xi; Xiaoguang Zhang

doi:10.1117/12.742386

19 November 2007 Comparison of polarization-mode dispersion compensation performance between different modulation formats

Wei Xu, Gaoyan Duan, Guangqing Fang, Lixia Xi, Xiaoguang Zhang

Author Affiliations +

Proceedings Volume 6783, Optical Transmission, Switching, and Subsystems V; 67833G (2007) https://doi.org/10.1117/12.742386
Event: Asia-Pacific Optical Communications, 2007, Wuhan, China

Abstract

We study the polarization mode dispersion (PMD) compensation performance of different modulation formats. Firstly, we analyze the relationship between the signal's degree of polarization (DOP) and differential group delay (DGD) of different modulation formats. The results show that the differential phase-shift keyed (DPSK) modulation formats are more suitable for PMD compensation system than the ON-OFF keying (OOK) modulation formats because the DOP-DGD curves of DPSK signals are monotonic and it is easy to search the global maximum. Secondly, we study the PMD compensation performance of the mentioned modulation formats with DOP as feedback signal. It is shown that the modulation formats with smaller bandwidth have better PMD compensation performance, and that PMD compensation performance of DPSK formats are better than that of OOK formats. CSRZDPSK combines the carrier-suppressed characteristic of CSRZ format and specific spectrum characteristic of DPSK format, thereby it has the best performance of PMD compensation.

Citation Download Citation

Wei Xu, Gaoyan Duan, Guangqing Fang, Lixia Xi, and Xiaoguang Zhang "Comparison of polarization-mode dispersion compensation performance between different modulation formats", Proc. SPIE 6783, Optical Transmission, Switching, and Subsystems V, 67833G (19 November 2007); https://doi.org/10.1117/12.742386

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