[1] R. Noé, H. Heidrich, D. Hoffmann. Endless polarization control systems for coherent optics[J]. J. Lightwave Technol., 1988, 6(7): 1199~1208
[2] N. G. Walker, G. R. Walker. Polarization control for coherent communications[J]. J. Lightwave Technol., 1990, 8(3): 438~458
[3] S. Bhandare, D. Sandel, B. Milivojevic et al.. 5.94 Tbit/s, 1.49 bit/s/Hz (40×2×2×40 Gbit/s) RZ-DQPSK polarization division multiplex C-band transmission over 324 km[J]. IEEE Photon. Technol. Lett., 2005, 17(4): 914~916
[4] E. Collett. Polarized Light-Fundamentals and Applications[M]. Marcel Dekker, 1993
[5] X. Zhang, L. Yu, Y. Zheng et al.. Two-stage adaptive PMD compensation in a 10 Gbit/s optical communication system using particle swarm optimization algorithm[J]. Opt. Commun., 2004, 231(1~6): 233~242
[6] X. Zhang, Y. Zheng, Y. Shen et al.. Particle swarm optimization used as a control algorithm for adaptive PMD compensation[J]. IEEE Photon. Technol. Lett., 2005, 17(1): 85~87