High-speed particle analysis using forward and backward two-dimensional angular optical scattering [0.03%]
基于二维前向和后向角光散射的高速粒子分析方法
Nazila Black,Andrew Marsh,Minta Akin et al.
Nazila Black et al.
Measurement of two-dimensional angle-resolved optical scattering (TAOS) patterns is an attractive technique for detecting and characterizing micron-sized high-speed flying particles. The elastic-scattering intensity pattern from a single pa...
Mahshid Zoghi,Aristide Dogariu
Mahshid Zoghi
As a byproduct of cellular metabolism, the emission of endogenous photons is a promising biomarker for physiological processes. However, direct biological applications are, so far, challenging because of the very low intensity and the intri...
Dual-mode visible/UV-blind Sb2Se3 photodetector for secure single-pixel imaging [0.03%]
用于安全单像素成像的双模式近红外/深紫外Sb2Se3光电探测器
Yaping Li,Jiajun Lin,Luyu Liu et al.
Yaping Li et al.
Single-pixel imaging is a natural, secure imaging technique with a code of an imaging algorithm. To enhance security, in this paper, we propose a dual-mode Sb2Se3 PD (UV-responsive VIS-blind mode and UV-blind VIS-responsive mode), adding an...
Mylenne Manrique,Ilaria Gianani,Marco Barbieri et al.
Mylenne Manrique et al.
Optical frequency combs combine ultrashort pulse duration and phase stability, making them powerful resources for high-precision ranging even when affected by atmospheric dispersion. It has been established that by classical modal engineeri...
Guowen An,Yangjinjin Wang,Haiyang Wang et al.
Guowen An et al.
A single-mode sapphire photonic crystal fiber (S-PCF) fabricated via femtosecond laser direct writing is demonstrated, with a fiber Bragg grating inscribed in the core. A two-step cladding strategy is proposed: waveguide arrays are written ...
Shivali Sokhi,Priya Yadav,Amarnath Amarnath et al.
Shivali Sokhi et al.
Torsion pendulums offer exceptional torque sensitivity but inherently suffer from slow response times, limiting time-resolved measurements. We present a single-period, self-resetting optical torque sensor based on a silk fiber torsion pendu...
Caini Xiao,Xiaoyuan Du,Wenfeng Fu et al.
Caini Xiao et al.
We propose parallel image-scanning autocorrelation-deconvolution microscopy (PISADM), a multifocal-scanning strategy that converts global reconstruction into spatially localized reconstructions. By combining spatially localized multifocal e...
Deep-learning-accelerated meta-beam-splitter design accounting for near-field coupling effects [0.03%]
考虑近场耦合效应的深度学习加速meta光束分束器设计
Jigen Ding,Shaopeng Zhu,Tianyao Sheng et al.
Jigen Ding et al.
We propose a deep-learning-based method for rapid meta-beam-splitter design that accounts for near-field coupling effects. This method combines beam-shaping optimization with a convolutional neural network that predicts the coupling-aware c...
Photon-correlation-enhanced capacity in a noisy low-photon-rate PPM photon-counting channel [0.03%]
噪声低光子率脉冲位置调制光子计数信道中的光子相关增强容量
Zhichao Jiang,Qihang Liu,Jung-Tsung Shen
Zhichao Jiang
This work investigates the enhancement of channel capacity in photon-starved deep-space optical links by leveraging inter-photon correlations. We analyze an M-ary pulse-position modulation (PPM) photon-counting channel in the presence of Po...
Continuous-wave watt-level diamond Raman laser at 1634 nm by intracavity pumping with dual Nd:YVO4 crystals [0.03%]
基于双Nd:YVO4晶体腔内泵浦的连续瓦级1634nm金刚石拉曼激光器
Houjie Ma,Fengying Ma,Xiaobo Mi et al.
Houjie Ma et al.
We demonstrated a watt-level continuous-wave intracavity diamond Raman laser operating at 1634 nm in the eye-safe spectral region. By employing a dual Nd:YVO₄ crystal pumping configuration in combination with a Z‑shaped cavity design, the...