Recent advances in Brillouin optical time domain reflectometry

Q Bai, Q Wang, D Wang, Y Wang, Y Gao, H Zhang… - Sensors, 2019 - mdpi.com
In the past two decades Brillouin-based sensors have emerged as a newly-developed
optical fiber sensing technology for distributed temperature and strain measurements …

High-performance distributed Brillouin optical fiber sensing

Y Dong - Photonic sensors, 2021 - Springer
This paper reviews the recent advances on the high-performance distributed Brillouin optical
fiber sensing, which include the conventional distributed Brillouin optical fiber sensing …

Dynamic analysis of an improper fractional-order laser chaotic system and its image encryption application

F Yang, J Mou, C Ma, Y Cao - Optics and lasers in engineering, 2020 - Elsevier
The fractional-order chaotic systems have characteristics of the all chaotic systems,
however, the improper fractional-order chaotic systems have more complexity random …

Millimeter-level-spatial-resolution Brillouin optical correlation-domain analysis based on broadband chaotic laser

Y Wang, M Zhang, J Zhang, L Qiao, T Wang… - Journal of Lightwave …, 2019 - opg.optica.org
We propose and demonstrate a millimeter-level-spatial-resolution Brillouin optical
correlation-domain analysis system based on a broadband chaotic laser, where the spatial …

Review on chaotic lasers and measurement applications

M Zhang, Y Wang - Journal of Lightwave Technology, 2020 - ieeexplore.ieee.org
Chaotic laser is considered as a novel signal source and extensively applied in the areas of
secure communication, random number generation, optical sensing. This review article …

Low-coherence Brillouin optical correlation-domain reflectometry based on periodic pseudo-random modulation

K Otsubo, G Zhu, K Noda, T Kiyozumi… - Journal of Lightwave …, 2024 - opg.optica.org
Brillouin optical correlation-domain reflectometry (BOCDR) is a technique for measuring the
distribution of strain and temperature along an optical fiber, offering advantages such as …

Wideband chaotic comb source using a weak-resonant-cavity Fabry-Perot laser diode subject to optical feedback for parallel random number generation

D Hu, F Wang, J Li, T Deng, J Wu, Z Wu, G **a - Chaos, Solitons & Fractals, 2024 - Elsevier
Currently, optical chaos comb generation primarily relies on dielectric nonlinear micro-
cavities on-chip, which require a high quality-factor. This increases complexity, cost, and …

Time-delay signature concealment and physical random bits generation in mutually coupled semiconductor lasers with FBG filtered injection

Y Wang, S **ang, B Wang, X Cao, A Wen, Y Hao - Optics express, 2019 - opg.optica.org
We propose and demonstrate experimentally the generation of chaos with suppressed time-
delay signature (TDS) and physical random bits in two mutually coupled semiconductor …

Systematic-error suppression in low-coherence Brillouin optical correlation-domain reflectometry

K Otsubo, G Zhu, T Kiyozumi, K Noda, K Nakamura… - Scientific Reports, 2023 - nature.com
Brillouin optical correlation-domain analysis (BOCDA) utilizing low-coherence light sources
offers high-resolution distributed strain and temperature sensing. However, conventional …

Phase-coded Brillouin optical correlation domain analysis with 2-mm resolution based on phase-shift keying

D Ba, Y Li, J Yan, X Zhang, Y Dong - Optics Express, 2019 - opg.optica.org
We report a phase-coded Brillouin optical correlation-domain analysis (BOCDA) based on
phase-shift keying (PSK), in which the pseudo-random binary sequence (PRBS) phase …