[WP-B] Poster Session 2

[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 (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.