supported by the State Grid Corporation of China (No. 5101/2017-3205A);the Open Fund of the Guangdong Provincial Key Laboratory of Optical Fiber Sensing and Communications (Jinan University);the National Natural Science Foundation of China (NSFC) (61571057, 61501214, 61527820, 61575082)
A spectrum efficient OFDM scheme named Time Domain Synchronous-OFDM(TDS-OFDM)is introduced into coherent optical transmission system,in which the pseudo noise(PN)sequence is exploited as guard interval to realize fram...