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http://dx.doi.org/10.3807/KJOP.2003.14.1.072

Higher-order PMD compensator using partially feed forward algorithm  

김나영 (서울대학교 전기 컴퓨터공학부)
박남규 (서울대학교 전기 컴퓨터공학부)
Publication Information
Korean Journal of Optics and Photonics / v.14, no.1, 2003 , pp. 72-79 More about this Journal
Abstract
We proposed a noble algorithm using DOP (degree of polarization) not only as feedback signal but alto as feed-forward signal for the compensation of higher-order PMD effect. In the proposed algorithm, DOP after the first-order PMD compensation is considered as the indicator of the amount of residual higher-order PMD. This algorithm has the merit that DOF (degree of freedom) of the system can be limited to the level of the first-order PMD compensation system. Owing to the limited DOF, the reliability of the system can be enhanced and the complexity of the implementation can be degraded. For the analysis of the algorithm, we simulated the 10Gbps NRZ transmission system and obtained the result that the system outage probability can be reduced as much as three times with respect to the only first-order PMD compensation case.
Keywords
PMD; PMD compensation; optical communications; DOP;
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