Author:
Cai Meng,Liu Xiaomin,Fu Mengfan,Zeng Xiaobo,Liu Yichen,Zhang Yihao,Yi Lilin,Hu Weisheng,Zhuge Qunbi
Abstract
We propose a coherent receiver-based telemetry to visualize ROADM status. 100% accuracy of failure localization and 0.67 GHz RMSE of failure estimation are achieved in an 847-km fiber link with 6 WSS nodes.