Inverse-designed all-silicon nanowire array cavities [0.03%]
inverse-designed all-silicon nanowire array cavities全硅纳米线阵列腔的逆向设计
Masato Takiguchi,Peter Heidt,Shota Kita et al.
Masato Takiguchi et al.
We designed silicon nanowire array cavities with high optical confinement (Γ) in the central nanowire and a high quality factor (Q) through an inverse design method that maximizes Γ×Q. Moreover, we fabricated an inversely designed cavity...
Conformal reconfigurable holographic metasurface for multifunctional radiation and scattering modulation [0.03%]
一种用于多功能辐射和散射调制的共形可重构全息超表面
Xinyu Zhang,Yuchen Gao,Wei Hu et al.
Xinyu Zhang et al.
A reconfigurable holographic metasurface (HM) with multifunctional modulation of radiation and scattering for conformal applications is designed in this paper. Based on optical holography theory, a holographic conformal modulation mechanism...
Deep 3D-DIC using a coarse-to-fine network for robust and accurate 3D shape and displacement measurements [0.03%]
一种基于粗到精网络的深度3D-DIC方法实现稳健准确的三维形状和位移测量
Yanzhao Liu,Kemao Qian,Bing Pan
Yanzhao Liu
Deep learning has become an attractive tool for addressing the limitations of traditional digital image correlation (DIC). However, extending learning-based DIC methods to three-dimensional (3D-DIC) measurements is challenging due to the li...
Tandem achromatic metasurface for waveguide coupling in full-color AR displays [0.03%]
全彩AR显示波导耦合的双无色超表面
Kaixin Zhang,Zhengui Fan,Kangkang Chen et al.
Kaixin Zhang et al.
Waveguide coupling design is one of the most challenging topics in augmented reality (AR) near-eye displays (NED). The primary challenge stems from the necessity to simultaneously address two competing factors: the overall volume of the AR ...
Xin Hou,Jia-Cong Guo,Li-Long Ma et al.
Xin Hou et al.
Optical properties of InGaN/GaN red quantum well(QW) and their microcavities were studied and compared under optical pumping. Incidence of the excitation laser from the p-side was employed for both structures in order to acquire better emis...
High-power high-performance radio-over-fiber link for minimalist wireless base station [0.03%]
高性能大功率无线射频光传输链路的极简无线基站
Shengkun Chen,Zhiyao Zhang,Huan Tian et al.
Shengkun Chen et al.
Broadband minimalist wireless base stations without energy-consuming electrical power amplifiers are the rosy scenario of the next-generation wireless communication systems. High-power radio-over-fiber (RoF) links, which are featured by lar...
Modeling, analysis, and optimization of random error in indirect time-of-flight camera [0.03%]
间接飞行时间相机随机误差的建模、分析与优化方法研究
Yansong Du,Zhaoxiang Jiang,Jindong Tian et al.
Yansong Du et al.
For indirect time-of-flight (iToF) cameras, we proposed a modeling approach focused on addressing random error. Our model characterizes random error comprehensively by detailing the propagation of error introduced by signal light, ambient l...
Over 100-kW peak power picosecond pulse generation at 2924 nm via efficient single-pass optical parametric generation with broadband tunability [0.03%]
一种高效单程光参量产生方法在2924nm处实现平均功率超100kW的飞秒脉冲生成及宽带调谐能力
Xianwei Xiong,Junqing Zhao,Sizhi Xu et al.
Xianwei Xiong et al.
We report a high peak power mid-infrared (MIR) source via efficient optical parametric generation (OPG) in a piece of 50-mm-long MgO: PPLN crystal pumped by using a near-infrared (NIR) narrow-band picosecond laser source. The highest peak p...
Wenwei Lin,Ole Bang,Getinet Woyessa
Wenwei Lin
We propose and experimentally demonstrate what we believe to be the first mid-infrared surface plasmon resonance (SPR) fiber optic sensor using a D-shaped multimode silica optical fiber coated with a 105 nm indium tin oxide (ITO) layer. The...
On-demand spatial modes and vortex beams from a visible Pr:YLF orbital Poincaré laser with a hybrid pumping scheme [0.03%]
具有混合泵浦方案的可见光Pr：YLF轨道庞加莱激光器中的按需空间模式和涡旋光束
Yu Zhang,Shixin Zhang,Yaoyao Qi et al.
Yu Zhang et al.
The controlled visible spatial modes and vortex beams with tunable properties are highly sought after in cutting-edge applications, such as optical communication. In this study, by utilizing a hybrid pumping scheme, we demonstrate an ultra-...