Normalized-Interpolated-Power Gardner Phase Detector for Optical Fiber Transmission Systems with Severe Bandwidth Limitation

Conference: ECOC 2024 - 50th European Conference on Optical Communication
09/22/2024 - 09/26/2024 at Frankfurt, Germany

Proceedings: ITG-Fb. 317: ECOC 2024

Pages: 4Language: englishTyp: PDF

Authors:
Tian, Zhongxing; Huang, Huan; Huang, Ji; Xu, Hansheng; Feng, Zeyu; Gong, Yuhan; He, Qingyu; Luo, Ming; Sun, Lin; Liu, Gordon Ning; Shen, Gangxiang; Cai, Yi

Abstract:
We propose a normalized-interpolated-power Gardner timing recovery scheme for signals with severe bandwidth limitation. We experimentally demonstrate effective timing synchronization of a 60- GBd QPSK signal with a 3-dB bandwidth down to 7.5 GHz.