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Robustness of polarization-mode-dispersion compensation in the presence of polarization-dependent loss

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2 Author(s)
W. Shieh ; Dept. of Electr. & Electron. Eng., Univ. of Melbourne, Australia ; S. D. Dods

The robustness of polarization-mode dispersion (PMD) compensation utilizing radio-frequency feedback in the presence of polarization-dependent loss (PDL) is investigated using a closed-loop dynamic model. Simulations using mean PMD of 30% of the bit period show that mean PDL of up to 2 dB increases the Q-penalty after PMD compensation by less than 0.1 dB. We find that the compensator can become trapped in secondary optima at high PDL, incurring significant additional penalty.

Published in:

IEEE Photonics Technology Letters  (Volume:17 ,  Issue: 3 )