Presentation Information
[WP-B-28]A Cascaded Equalizer in 256-QAM Optical Fiber Communication Systems
○Xuecheng Ren1, Taowei Jin1, Hong Lin1, Jing Zhang1, Jinjiang Li1, Kun Qiu1 (1.University of Electronic Science and Technology of China)
Keywords:
Digital signal processing algorithms for optical communications
We design a cascaded filter with three stages in a 25-GBaud 256-QAM optical fiber transmission system. The experiment results show a 15.12% reduction in computational complexity and a 0.53-dB SNR improvement compared to conventional LMS+PLL.