Entanglement, squeezing and non-locality limits in filtered two-mode squeezed mixed states [0.03%]
滤波两模挤压混合态中的纠缠、压缩和非局域性的极限值
Souvik Agasti
Souvik Agasti
We investigate the entanglement and non-locality between specific spectral components of continuous variable two-mode squeezed mixed states, identifying their limits. These spectral components are selected from output modes using filters co...
Phase retrieval via Zernike phase contrast microscopy with an untrained neural network [0.03%]
基于神经网络的Zernike相位对比显微镜反演相位信息
Zinan Zhou,Keiichiro Toda,Rikimaru Kurata et al.
Zinan Zhou et al.
Zernike's phase contrast microscopy (PCM) is among the most widely used techniques for observing phase objects, but it lacks a quantitative nature, as it cannot directly provide phase information. Current methods for computationally extract...
Colorful and tunable full-visible-spectrum electrochromic displays activated by flexible optical resonance [0.03%]
一种可调全可见光谱电致变色显示器激活的柔性光学谐振器
Shiqing Zhao,Xinhao Shi,Luhui Feng et al.
Shiqing Zhao et al.
Electrochromic devices (ECDs) that realize active transmittance or reflectance modulation under reversible electrical stimuli have triggered intense research interest and consequently plenty of practical applications. However, the majority ...
Polarization-controlled efficient second harmonic generation in etchless lithium niobate photonic crystals with quasi-bound states in the continuum [0.03%]
基于准连续谱束缚态的无蚀刻锂 ni 钽磷酸盐光子晶体中的偏振控制高效二次谐波生成
Feng Li,Shijie Cai,Zeyu Wu et al.
Feng Li et al.
We numerically investigate a high-Q resonant and etchless lithium niobate on insulators (LNOI) nanostructure based on the quasi-bound states in the continuum (q-BICs) to achieve highly efficient second harmonic generation (SHG). The propose...
Impact of laser time structure on the evolution behavior of laser induced plasma and stress waves in the target [0.03%]
激光时序结构对激光诱导等离子体及应力波演化行为的影响研究
Hang Yuan,Shenghao Kang,Xiaochen Mei et al.
Hang Yuan et al.
This study investigates the impact of laser time structure on laser-induced plasma plume evolution and shock wave propagation within target. The theoretical analysis of plasma plume dynamics under various pulse rise times were carried by HE...
Fading suppression method based on redundant data within the spatial resolution and deep learning for a Φ-OTDR system [0.03%]
基于空间分辨率冗余数据和深度学习的菲涅耳 OTDR 衰减抑制方法
Xianglei Pan,Ke Cui,Aoran Zheng et al.
Xianglei Pan et al.
Weak light intensity positions induced by interference fading adversely affect the sensing performance of phase-sensitive optical time-domain reflectometry (Φ-OTDR). Most effective fading suppression methods rely on frequency or phase modu...
Initial structure design of diffractive optical system based on particle swarm optimization algorithm [0.03%]
基于粒子群算法的衍射光学系统初始结构设计方法研究
Yefei Wang,Songnian Tan,Ping Jia et al.
Yefei Wang et al.
This paper presents a design method for diffractive optical system based on particle swarm optimization (PSO). This method uses the radius of the diffuse spot formed by light rays with different apertures and wavelengths on the image plane ...
Multi-key hybrid encryption optical codebook based on five-dimensional Hamiltonian conservative chaotic system [0.03%]
基于五维哈密顿保守混沌系统的多键混合加密光学代码簿
Wei Zhang,Nana Yu,Xiangxiang Ji et al.
Wei Zhang et al.
With the advent of big data and supercomputing, traditional codebook methods face challenges in information capacity and security. To overcome these limitations and resist brute-force attacks, a computational holographic optical codebook is...
Fast square-oscillations in semiconductor VCSELs with delayed orthogonal polarization feedback [0.03%]
具有延迟正交偏振反馈的半导体VCSELs中的快速平方振荡现象
Tao Wang,Zhicong Tu,Yixing Ma et al.
Tao Wang et al.
We present an experimental investigation into the generation of self-sustained and fast square oscillations from the TE mode of semiconductor VCSELs with delayed orthogonal polarization feedback. We find that the low-frequency switching ori...
Widely tunable narrow-linewidth lasers with booster amplification on silicon photonics [0.03%]
基于硅光子学宽带调谐窄线宽激光器増强放大技术
Yang Liu,Ye Chen,Laurens Bogaert et al.
Yang Liu et al.
Achieving high-power, narrow-linewidth, and low-intensity-noise (RIN) widely tunable lasers on silicon photonics (SiPh) platforms remains a critical challenge for transformative photonic applications. In this work, we present the micro-tran...