38 citations · 86 across the 9 of their papers we have counts for
9 papers
High-precision laser spectrum analyzer via digital decoherence
Zhongwang Pang, Chunyi Li, Hongfei Dai +5
With the continuous advancement of laser technology, accurately evaluating the noise spectrum of high-performance lasers has become increasingly challenging. In this work, we demon…
Hybrid Fiber-Based Radio Frequency Distribution and Vibration Detection System Tailored for Large Radio Arrays
Hongfei Dai, Wenlin Li, Zhongwang Pang +4
Radio telescope arrays, such as Square Kilometre Array (SKA) and next-generation Very Large Array (ngVLA), require highly precise synchronization of time-frequency references to en…
A Tampering Risk of Fiber-Based Frequency Synchronization Networks and Its Countermeasures
Hongfei Dai, Yufeng Chen, Wenlin Li +4
Fiber optic networks are used worldwide and have been regarded as excellent media for transmitting time-frequency (TF) signals. In the past decades, fiber-based TF synchronization…
An underground fiber cable discrimination method based on laser interferometer
Dongqi Song, Guan Wang, Zhongwang Pang +1
The maintenance and repair of optical fiber networks often requires the discrimination of underground cables among a group of buried ones. Presently, the methods commonly used are…
Time Reversal Enabled Fiber-Optic Time Synchronization
Yufeng Chen, Hongfei Dai, Wenlin Li +3
Over the past few decades, fiber-optic time synchronization (FOTS) has provided fundamental support for the efficient operation of modern society. Looking toward the future beyond…
Indoor optical fiber eavesdropping approach and its avoidance
Haiqing Hao, Zhongwang Pang, Guan Wang +1
The optical fiber network has become a worldwide infrastructure. In addition to the basic functions in telecommunication, its sensing ability has attracted more and more attention.…
Epicenter localization using forward-transmission laser interferometry
Bohan Zhang, Guan Wang, Zhongwang Pang +1
Widely distributed optical fibers, together with phase-sensitive laser interferometry, can expand seismic detection methods and have great potential for epicenter localization. In…
Comparison between Time Shifting Deviation and Cross-correlation Methods
Zhongwang Pang, Guan Wang, Bo Wang +1
Time delay estimation (TDE) is an important step to identify and locate vibration source. The TDE result can be obtained by cross-correlation method through seeking the maximum cor…
Time shifting deviation method enhanced laser interferometry: ultrahigh precision localizing of traffic vibration using urban fiber link
Guan Wang, Zhongwang Pang, Bohan Zhang +5
Using fiber network as a huge sensing system will enrich monitoring methods of public infrastructures and geological disasters. With traditional cross-correlation method, laser int…