A new chromatic dispersion compensation method based on genetic algorithm
Chunwu Liu, Jiangyi Qin, Zhiping Huang, Yi-meng Zhang · Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE · 2013
In the 40Gbps high-speed optical fiber communication system, chromatic dispersion of optical signal brings about to generation of inter-symbol interface which influences the quality of optical fiber communication. In order to solve the above questions in the 40Gbps differential quarter phase-shift keying (DQPSK) optical fiber communication system, a new method of chromatic dispersion compensation based on genetic algorithm is proposed according to the demodulation of DQPSK optical signal and the trait of chromatic dispersion. Result shows that the system’s receiving sensitivity has been enhanced up to six orders of magnitude.