High-sensitivity quasi-distributed acoustic sensing system using dual linear-frequency-modulation pulses [0.03%]
基于双线性调频脉冲的高灵敏分布式声学传感系统
Qi Li,Yuanheng Zhao,Xin Wang et al.
Qi Li et al.
In this paper, a direct-detection quasi-distributed acoustic sensing (QDAS) system using dual linear-frequency-modulation pulses is proposed, which achieves high-sensitivity sensing. Microwave photonic technology is used to generate two ide...
Carrier-recovery-free optical chaos shift keying secure communication system [0.03%]
无载波恢复的光学混沌移密钥保密通信系统
Junze Zhu,Jing Zhu,Tianyu Zhu et al.
Junze Zhu et al.
Chaotic optical secure communication can provide physical-layer security for optical communication. In this paper, we propose an optical chaos shift keying communication scheme based on a deep neural network (DNN) classifier. At the transmi...
Dense multiwavelength bismuth-doped phosphosilicate fiber laser near 1360 nm using a femtosecond-laser-inscribed short-grating Fabry-Pérot interferometer [0.03%]
基于飞秒激光刻写法短周期光栅的Fabry-Perot干涉仪的近1360nm密集多波长掺铋磷酸盐光纤激光器
Muhamad Zharif Samion,Benyue Li,Mohammad Faizal Ismail et al.
Muhamad Zharif Samion et al.
We report the experimental demonstration of a stable, dense multiwavelength bismuth-doped phosphosilicate fiber laser operating near 1360 nm. The system utilizes a short-grating Fabry-Pérot interferometer (FBG-FPI) as an intra-cavity comb ...
Waveplate-free electro-optic Q-switch enabled by a relaxor-PbTiO3 crystal [0.03%]
无波片电光调q技术在放电器件中的应用
Wang Lu,Renpeng Yan,Peng Tan et al.
Wang Lu et al.
The relaxor ferroelectric PbTiO3 crystals, such as 0.21PIN-0.47PMN-0.32PT (PIN-PMN-32PT), were recently reported in Science376, 371 (2022)10.1126/science.abn7711 as a new class of high-performance electro-optic (EO) materials, yet their pot...
FPGA-based gain-controlled closed-loop interferometric fiber optic gyroscope with a silicon multi-function integrated optical circuit [0.03%]
一种基于FPGA的增益可调闭环干涉式光纤陀螺及其硅多功能集成光学电路
Yuefeng Shen,Xinran Zhao,Yi Zhang et al.
Yuefeng Shen et al.
The interferometric fiber optic gyroscope (IFOG) based on a silicon multi-function integrated optical circuit (Si-MIOC) offers significant potential as the core sensor for the next generation of compact, high-precision, and low-cost inertia...
Reducing the carrier-envelope-phase-dependence of high-harmonic-generation by vectorial-time-polarization-gating [0.03%]
利用矢量时间偏振门控减少高阶谐波生成的载波包络相位依赖性
Eran Ben-Arosh,Eldar Ragonis,Lev Merensky et al.
Eran Ben-Arosh et al.
A well-known shortcoming of High Harmonic Generation (HHG) is the strong dependence of the broadband HHG spectra (HGS) on the carrier envelope phase (CEP) of the driver. Here, we numerically show that compared to the current well-establishe...
Focused light-field multispectral radiation thermometry with enhanced spatial resolution [0.03%]
一种增强空间分辨率的聚焦光场多谱辐射测温方法
Mingrui Huang,Wei Zhang,Hua Fang et al.
Mingrui Huang et al.
Accurate temperature measurement in high-temperature environments is essential for applications such as combustion diagnostics and turbine systems. Visible-band multispectral thermometry offers improved robustness against gas absorption com...
Theo Torres,Romain Terrier,Julien Fatome et al.
Theo Torres et al.
Temporal reflection in nonlinear optical fibers provides a powerful framework for manipulating light. In this work, we theoretically and experimentally demonstrate a novel, to the best of our knowledge, mechanism for wave trapping induced b...
Polarization-engineered displacement sensing of nanoparticles via tracking scattering C-points [0.03%]
通过追踪散射C点实现纳米颗粒的偏振工程位移传感
Han Liu,Zheng Xi
Han Liu
We propose a polarization-engineered displacement sensing scheme that connects the three-dimensional polarization landscape of a tightly focused field with the scattering C-points of an embedded dipolar scatterer. The particle's displacemen...
Real-time FPGA prototyping of joint blind equalization with ZF-NL-RSSE for data center interconnects [0.03%]
用于数据中心互连的ZF-NL-RSSE联合盲均衡的实时FPGA验证
Zhouhao Yang,Jiliang Liu,Yang Ou et al.
Zhouhao Yang et al.
To maximize power efficiency and system simplicity, blind equalization is widely utilized in high-speed intensity modulation/direct detection (IM/DD) systems, enabling the cost-efficient deployment in data center interconnects (DCI). Meanwh...