We have analyzed the effectiveness of two different polarization-mode dispersion (PMD) compensators in high-speed transmission systems suffering from polarization-dependent loss (PDL). When the link PDL value increases, the system performance improvement from the compensators decreases. Numerical analysis of a 10-Gb/s transmission system shows that even a small average link PDL of 0.5 dB could seriously limit the effectiveness of the PMD compensations.
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Kim et al. (2002) studied this question.
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