Research on PMD mitigation by using distributed fast polarization scrambling and FEC

Dahai Han; Minliang Li; Lixia Xi

doi:10.1117/12.888577

19 January 2011 Research on PMD mitigation by using distributed fast polarization scrambling and FEC

Dahai Han, Minliang Li, Lixia Xi

Proceedings Volume 7986, Passive Components and Fiber-Based Devices VII; 798613 (2011) https://doi.org/10.1117/12.888577
Event: Asia Communications and Photonics Conference and Exhibition, 2010, Shanghai, Shanghai, China

Abstract

Polarization mode dispersion (PMD) is one of the major obstacles in high-speed (above 100 Gbits rate) and long-haul optical communication system. In order to meet the requirements of high-sped optical communication quality, some PMD compensation and mitigation schemes had been developed. Forward error correction (FEC) is useful to increasing the system margin. The combination of distributed fast polarization scrambler (D-FPS) and FEC is an effective method to improving the optical system's PMD tolerance. The fundamental reason is that D-FPS can accelerate the redistribution of the link PMD to enable FEC to be more effective during the periods that would otherwise have PMD outages. Another advantage of this scheme is that it can mitigate the influence of PMD in multichannel system without feedback control and compensation based on each channel. The principle and performance of scrambling is introduced in this paper and the fundamental idea of improving PMD mitigation by using D-FPS combined with FEC is proposed. Some key factors such as scrambling speed and the number of scrambler which affecting the performance of this scheme are also introduced. Finally, proposing an assumption that the impact for system performance caused by the style of FPSs is distributed along the fiber link, and the mathematical estimation model is established. The combination of D-FPS and FEC would be a promising approach for performance improvement in ultra-high-speed optical communication system.

Citation Download Citation

Dahai Han, Minliang Li, and Lixia Xi "Research on PMD mitigation by using distributed fast polarization scrambling and FEC", Proc. SPIE 7986, Passive Components and Fiber-Based Devices VII, 798613 (19 January 2011); https://doi.org/10.1117/12.888577

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KEYWORDS

Forward error correction

Polarization

Tolerancing

Optical communications

Remote sensing

Telecommunications

Wave plates

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