[ThC2] Coherent Transmission

[ThC2-1] Transceiver IQ imperfection Monitor by Digital Signal Processing in Coherent Receiver

Invited

〇Yangyang Fan¹, Yufeng Jiang¹, Junpeng Liang¹, Zhenning Tao¹, Hisao Nakashima², Takeshi Hoshida² (¹Fujitsu R&D Center, China, ²Fujitsu Limited, Japan)

Keywords:Optical transmitter and receiver subsystems, Digital signal processing techniques for optical communications

Various transmitter-side and receiver-side IQ imperfections are monitored simultaneously by coherent receiver DSP. Within each side there’re no interactions among different IQ imperfection monitors except for the IQ skew and IQ phase imbalance monitor.