Author:
Wang Yuanxiang,Shao Weidong,Zhong Linsheng,Dai Xiaoxiao,Yang Qi,Deng Lei,Liu Deming,Cheng Mengfan
Abstract
We report a real-time 1 kbps stealthy transmission in the 10 Gbps QPSK public communication. The stealth data is embedded in dither signals of bias control. The scheme is compatible with existing optical transmission systems.