Joint transfer of time and frequency signals and multi-point synchronization via fiber network
Cheng Nan1, Chen Wei1, Liu Qin2, Xu Dan1, Yang Fei1, Gui You-Zhen2, †, , Cai Hai-Wen1, ‡,
       

(a) Time delay between the remote output and the local reference, and (b) time delay between the local output and the local reference.