Optical EngineeringPolarization mode dispersion compensation in optical and electrical domain and their limitations
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Polarization mode dispersion (PMD) compensation is one of the challenges to deployment of ultra-high-bit-rate systems. PMD impact on system performance and outage probability is explained. Then both optical and electrical PMD compensation techniques are reviewed and important design considerations are discussed. Issues regarding PMD-induced distortion detection, feedback and control algorithms in the presence of local minima, and interaction between PMD and other degrading effects [such as chromatic dispersion, polarization-dependent loss (PDL), and fiber nonlinearities] are discussed.