[TuB1] IM-DD Transmission

9:45 AM - 10:00 AM JST(12:45 AM - 1:00 AM UTC)

[TuB1-4] MSE-Reduced UOWC Using Uneven PAM4 and Piecewise Linear Equalizer

○Haoyu Huang¹, Zhiyan Chen¹, Zixian Wei², Changyuan Yu², Qian Li³, H. Y. Fu¹ (1. Tsinghua University (China), 2. The Hong Kong Polytechnic University (Hong Kong), 3. Peking University (China))

Keywords:

Advanced modulation and demodulation for optical communications,Digital signal processing algorithms for optical communications

We experimentally demonstrate a UOWC system using uneven PAM4 scheme with a piecewise linear equalizer, achieving a 94.5% reduction of mean squared error, which matches the standard quality assessment for image and video transmissions.