supported by the National Key R&D Program of China(No.2018YFB1800905);the National Natural Science Foundation of China(Nos.61935005,61720106015,61835002,and 62127802)。
We experimentally transmit eight wavelength-division-multiplexing(WDM)channels,16 quadratic-amplitude-modulation(QAM)signals at 32-GBaud,over 1000 km few mode fiber(FMF).In this experiment,we use WDM,mode division mul...