[CTuA9C] Electrical Nonlinear Equalization

[CTuA9C-03] Simplified Pre-Distortion Technique for PAM4 Modulation based on a Micro-Ring Modulator

Kai-Wen Chang¹, *Yu-Cheng Yu¹, Chia-Chien Wei¹, Chin Shih Huang², Hao Chun Hsieh², Hung Chun Pan², Wei-Jo Ting², Heng Li² (1. National Sun Yat-sen University (Taiwan), 2. Wistron Corporation (Taiwan))

[Presentation Style] Online

This study analyzes the performance of digital pre-distortion (DPD) for micro-ring-modulator-based PAM4 modulation. With limited taps for practicality, the optimal design of the DPD was shown to depend on the operating conditions of the modulator.