An adaptive polarization mode dispersion (PMD) compensation experiment is reported in a 40-Gb/s phase shaped binary transmission (PSBT) communication system, with the use of a new digital signal processor (DSP)-based optical PMD compensator. PMD tolerance is found to be enhanced by 8 ps after PMD compensation with 1-dB optical signal-to-noise ratio (OSNR) penalty. Under the condition of fast change of states of polarization up to 85 rad/s in the fiber link, the performance of our PMD compensator undergoes the bit error ratio (BER) test for as long as 10 h.
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Feng Tian, Lixia Xi, Xiaoguang Zhang, Xuan Weng, Guangyong Zhang, and Qianjin Xiong, "An experiment of PMD compensation in 40-Gb/s PSBT transmission system," Chin. Opt. Lett. 8, 816-818 (2010)