collaborators

7 papers

physics.optics2026

Robust High-Precision Time Transfer over 91-km Hollow-Core Fiber: Immunity to Dispersion and Nonlinearity

Bo Liu, Xinxing Guo, Jiang Chen +8

To address the fundamental limitations imposed by chromatic dispersion and environmental susceptibility in standard single-mode fiber (SMF) for long-haul high-precision time transf…

physics.optics2026

Hollow-Core Fiber for Long-Span Optical Frequency Transfer: Improved Instability and Extended Single-Span Reach

Qian Zhou, Ru Yuan, Xiang Zhang +12

Phase-coherent optical frequency transfer is essential for optical clock networking, relativistic geodesy, and distributed precision metrology. However, realizing coherent optical…

quant-ph2026

Passive Synchronization of Nonlocal Franson Interferometry for Fiber-Based Quantum Networks Using Co-propagating Classical Clock Signals

Xiao Xiang, Runai Quan, Yuting Liu +7

We demonstrate a robust, high-visibility nonlocal Franson interferometry for fiber-based quantum networks by co-propagating a classical Radio-over-Fiber clock signal with energy-ti…

quant-ph2026

Co-Propagation of Quantum Time Synchronization and Optical Frequency Transfer over a 122 km Hollow-Core Fiber

Huibo Hong, Xiao Xiang, Runai Quan +15

The co-propagation of quantum and classical signals through shared optical fibers is crucial for scalable quantum networks. However, this coexistence is fundamentally limited by sp…

quant-ph2025

Cascaded quantum time transfer breaking the no-cloning barrier with entanglement relay architecture

H. Hong, X. Xiang, R. Quan +9

Quantum two-way time transfer (Q-TWTT) leveraging energy-time entangled biphotons has achieved sub-picosecond stability but faces fundamental distance limitations due to the no-clo…

quant-ph2025

Efficient multiplexed quantum memory with high dimensional orbital angular momentum states in cold atoms

Xin Yang, Chengyuan Wang, Jinwen Wang +9

Quantum memory plays a pivotal role in the construction of quantum repeaters, which are essential devices for establishing long-distance quantum communications and large-scale quan…