Chaos Raman distributed optical fiber sensing

C Wang, J Li, X Zhou, Z Cheng, L Qiao, X Xue… - Light: Science & …, 2023 - nature.com
The physics principle of pulse flight positioning is the main theoretical bottleneck that
restricts the spatial resolution of the existing Raman distributed optical fiber sensing scheme …

Pulsed-chaos MIMO radar based on a single flat-spectrum and Delta-like autocorrelation optical chaos source

W Feng, N Jiang, Y Zhang, J Jin, A Zhao, S Liu… - Optics …, 2022 - opg.optica.org
We propose and demonstrate a pulsed-chaos multiple-input-multiple-output (MIMO) radar
system in this paper. In the proposed MIMO radar system, multi-channel pulsed chaotic …

Accurate separation of mixed high-dimension optical-chaotic signals using optical reservoir computing based on optically pumped VCSELs

D Zhong, Y Hu, K Zhao, W Deng, P Hou, J Zhang - Optics Express, 2022 - opg.optica.org
In this work, with the mixing fractions being known in advance or unknown, the schemes and
theories for the separations of two groups of the mixed optical chaotic signals are proposed …

Precise ranging for the multi-region by using multi-beam chaotic polarization components in the multiple parallel optically pumped spin-VCSELs with optical injection

D Zhong, N Zeng, H Yang, Z Xu, Y Hu, K Zhao - Optics Express, 2021 - opg.optica.org
We present a novel scheme for the accurate ranging for the multi-region in the rectangular-
shape target using numbers of the chaotic x polarization components in the multiple parallel …

Effects of asymmetric coupling strength on nonlinear dynamics of two mutually long-delay-coupled semiconductor lasers

BK Liao, CH Tseng, YC Chu, SK Hwang - Photonics, 2022 - mdpi.com
This study investigates the effects of asymmetric coupling strength on nonlinear dynamics of
two mutually long-delay-coupled semiconductor lasers through both experimental and …

Real-time ranging of the six orientational targets by using chaotic polarization radars in the three-node VCSEL network

D Zhong, Z Xiao, G Yang, N Zhen, H Yang - Optics Express, 2019 - opg.optica.org
We propose a novel scheme of the real-time ranging for the six orientational targets based
on the vertical cavity surface-emitting laser (VCSEL) network with three nodes. In the …

Detections of the position-vectors of the multi targets located in a circular space based on an asymmetric coupling semiconductor lasers network

D Zhong, W Deng, K Zhao, Y Hu, P Hou, J Zhang - Optics Express, 2022 - opg.optica.org
We present a novel scheme for the detections of the position-vectors of the multi targets
distributed in a circular space using multi channels of the probe chaotic waves emitted by …

Simultaneous life detection and localization using a wideband chaotic signal with an embedded tone

L Liu, C Guo, J Li, H Xu, J Zhang, B Wang - Sensors, 2016 - mdpi.com
A hybrid life detection radar system which transmits a wideband chaotic signal containing an
embedded single-tone is proposed. The chaotic signal is used for target localization by the …

Chaos bandwidth enhancement of Fabry–Pérot laser diode with dual-mode continuous-wave optical injection

H Han, MJ Zhang, KA Shore - IEEE Journal of Quantum …, 2019 - ieeexplore.ieee.org
We show numerically that dual-mode continues wave optical injection into a Fabry-Pérot
laser diode subject to optical feedback generates a chaos bandwidth, which is four to six …

Chaos through-wall imaging radar

H Xu, B Wang, J Zhang, L Liu, Y Li, Y Wang… - Sensing and …, 2017 - Springer
We experimentally demonstrate a chaos through-wall imaging radar using ultra-wideband
chaotic-pulse-position modulation (CPPM) microwave signal. The CPPM signal based on …