38 citations · 85 across the 8 of their papers we have counts for
8 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…
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…