Strip silicon waveguide for code synchronization in all-optical analog-to-digital conversion based on a lumped time-delay compensation scheme
Li Sha1, †, , Shi Zhi-Guo1, Kang Zhe2, Yu Chong-Xiu2, Wang Jian-Ping1
       

Schematic diagram of an all-optical ADC based on SSFS technique. HNLF: highly nonlinear fiber, ATT: attenuator, TDL: time-delay line, PD: photodiode.