Chromatic-aberration-free full-color augmented reality display via triple-stacked liquid crystal polarization volume grating waveguides [0.03%]
一种无色差的全彩增强现实显示技术:基于多层液晶偏振体光栅波导的方法
Xudong Yan,Mingxuan Liu,Jiaxin Zhu et al.
Xudong Yan et al.
Liquid crystal polarization volume gratings (LC-PVGs) have attracted significant attention as optical combiners of diffractive optical waveguides in augmented reality (AR) displays due to intrinsic high diffraction efficiency, polarization-...
Ruihang Li,Shengjun Huang,Hongkun Nie et al.
Ruihang Li et al.
A high power, narrow bandwidth, synchronously pumped PPLN optical parametric oscillator is demonstrated. By using a reflective volume bragg grating (RVBG), the signal laser wavelength is locked at 1908.1 nm while the bandwidth is compressed...
Dual-polarization layered magneto-optic sensor with spatiotemporal thermal-magnetic interference decoupling [0.03%]
时空解耦的双极化磁光层叠传感器理论及实验研究
Jing Zhang,Yan-Song Li,Zhuo-Hang Liang et al.
Jing Zhang et al.
To address the technical challenges of stray magnetic field interference and temperature drift in straight-through MOCS, this study proposes a layered dual-polarization-state receiving magneto-optic current sensor. The device could achieve ...
Multifunctional polarization converter via liquid metal-based reconfigurable transmission-reflection-integrated metasurfaces [0.03%]
基于液态金属的可重构传输反射集成超表面的多功能偏振转换器
Shibo Gao,Bowen Li,Wei Sha et al.
Shibo Gao et al.
Metasurfaces, known for their unique properties such as polarization manipulation, have greatly enhanced wireless systems and optical devices. However, to meet the demand for multi-band functionality and flexibility in wireless systems, the...
Sources of nonlinearity and mitigation of phase noise in MUTC photodetectors at comb-line frequencies [0.03%]
穆特克光电检测器中梳状线频率下的非线性来源及相位噪声抑制方法研究
Ishraq Md Anjum,Ergun Simsek,Seyed Ehsan Jamali Mahabadi et al.
Ishraq Md Anjum et al.
We calculate the phase noise for the first 100 comb line frequencies of two modified uni-traveling-carrier (MUTC) photodetectors. The frequency comb is generated by one-picosecond pulses with a 2-GHz repetition frequency. We observe a non-m...
All-optical logic gates based on three-dimensional asymmetry modulation: from coherent absorption to dynamic key mapping encryption [0.03%]
基于三维不对称调制的全光学逻辑门:从相干吸收动态密钥映射加密
Xiaocheng Gu,Xiangfu Wang
Xiaocheng Gu
Many studies have explored functionalized all-optical logic gates for multidimensional processing of optical signals. However, most of these studies focus on single-input-output (SIO) operations, which limit the dynamic switching capabiliti...
Long-gauge ultra-weak FBG strain sensor insensitive to structural defects: numerical simulation and experimental verification [0.03%]
长标距超弱FBG应变传感特性及结构缺陷不敏感性研究
Jianjun Pan,Wei Hou,Jinpeng Jiang et al.
Jianjun Pan et al.
Strain monitoring of concrete structures with surface defects and material inhomogeneity is a challenge in the field of structural monitoring. In this paper, based on the characteristics of long-gauge structure and ultra-weak fiber Bragg gr...
SOA-based optical burst power equalization for high-speed next generation passive optical networks [0.03%]
一种基于SOA的高速下一代PON系统的光突发功率均衡方法
Fariba Jamali,Stephen L Murphy,Cleitus Antony et al.
Fariba Jamali et al.
Research on passive optical networks (PONs) capable of reaching speeds of 100 Gb/s per wavelength and beyond has become critical in recent years. One cost-effective solution is 4-level pulse amplitude modulation (PAM4), which utilizes affor...
Ti3C2Tx MXene-based terahertz linear polarizer made by femtosecond pulse laser ablation [0.03%]
基于飞秒脉冲激光刻写的Ti3C2Tx MXene太赫兹线性偏振器
Hongye Wang,Zhenyu Zhao,Jiang Yu et al.
Hongye Wang et al.
Linear polarizers with high extinction ratios (ERs) and low insertion losses (ILs) are essential for terahertz applications. We fabricated a Ti3C2Tx MXene-based terahertz linear polarizer using femtosecond pulse laser ablation. A 7-µm vaca...
Solid-state far-field macroscopic Fourier ptychographic imaging via programmable illumination with spatial light modulator [0.03%]
基于空间光调制器编程照明的固态远场傅里叶叠层显微成像技术
Di You,Ge Ren,Haotong Ma
Di You
Accurate angle-varied illumination can be easily implemented in various ways for Fourier ptychographic microscopy (FPM). However, it is quite challenging at a long distance for far-field macroscopic Fourier ptychography (FP). In this work, ...