4 papers
Dual-comb-enhanced microwave clock synchronization over commercial fiber
Ziyang Chen, Dongrui Yu, Ganbin Lu +4
The large-scale clock network is the key ingredient to obtain high precision in many scenarios, from fundamental research to cutting-edge applications. The advantage of the time sy…
Time-interval Measurement with Linear Optical Sampling at the Femtosecond Level
Dongrui Yu, Ziyang Chen, Xuan Yang +7
High-precision time-interval measurement is a fundamental technique in many advanced applications, including time and distance metrology, particle physics, and ultra-precision mach…
Hundred-Femtosecond-Level Concise Optical Time Delay Measurement System Based on Linear Optical Sampling
Yufei Zhang, Ziyang Chen, Dongrui Yu +3
Fiber-delay measurement is one of the key fundamental technologies in numerous fields. Here we propose and experimentally demonstrate a high-precision and concise optical time dela…
Node-downloadable frequency transfer system based on a mode-locked laser with over 100 km of fiber
Ziyi Jin, Ziyang Chen, Kai Wu +5
To meet the requirements of time-frequency networks and enable frequency downloadability for nodes along the link, we demonstrated the extraction of stable frequency signals at nod…