High-order diffraction gratings with an isosceles triangle profile for a nano-precision linear optical encoder [0.03%]
用于纳米精度线性光学编码器的等腰三角形剖面高阶光栅
Dong Niu,Xunhan Wang,Tian Li et al.
Dong Niu et al.
High-order diffraction is preferred to nanoscale displacement measurement by linear optical encoder. The diffraction efficiency at high orders, however, is limited. In this Letter, a high-order diffraction grating with an isosceles triangle...
Phase gradient metasurface structure for visible-infrared-laser compatible stealth camouflage [0.03%]
可见-红外激光兼容隐身迷彩相位梯度超表面结构
Haojie Li,Kun Yu,Mengdan Qian et al.
Haojie Li et al.
With the rapid advancement of detection technologies, the demand for multispectral stealth capabilities covering multiple bands has become increasingly critical. This paper proposes a phase-modulation-based metal-dielectric metasurface desi...
Relative enhancement of on-axis energy backflow in the focused fields via higher-order Laguerre- Gaussian beams [0.03%]
利用高阶拉盖尔-高斯光束增强聚焦场轴向能量回流的相对增益
Lei Han,Jiale Qi,Chuchu Gao et al.
Lei Han et al.
We propose a facile method for enhancing on-axis energy backflow relative to forward energy flow in the focused fields. By employing higher-order Laguerre-Gaussian (LG) complex amplitude profiles for left-handed circularly polarized vortex ...
Formation of the tripartite exciton-photon-vibron quasiparticle in a driven optomechanical system [0.03%]
驱动光学机械系统中三元激子-光子-声子准粒子的形成
Evgenii A Tereshchenkov,Alexander A Zyablovsky,Evgeny S Andrianov
Evgenii A Tereshchenkov
We consider a coherently driven optomechanical system consisting of a cavity mode interacting with matter polarization that, in turn, excites vibrons-quanta of matter nuclei vibrations. We show that in this system, one can realize strong co...
Simulation investigation of CO2 absorption-induced performance degradation in hollow-core fiber transmission systems and spectrum-optimized digital sub-carrier multiplexing design for circumvention [0.03%]
基于空芯光纤传输系统的CO2吸收引起性能退化仿真调查及谱优化数字子载波复用设计规避研究
Xishuo Wang,Zhipei Li,Lipeng Feng et al.
Xishuo Wang et al.
Hollow-core fiber (HCF) is developing rapidly, with its minimum attenuation already surpassing that of traditional solid-core fiber and continually setting new records. However, recent reports have pointed out that the CO2 absorption peaks ...
Large-scale transparent photoacoustic cranial window for long-term whole-brain cortical imaging [0.03%]
用于长期全脑皮层成像的大规模透明光声颅窗
Fei Yang,Wenjie Xie,Haonan Li et al.
Fei Yang et al.
Ultrasound-sensing cranial windows can provide dual functions of transparent optical imaging windows and photoacoustic signal detection, which can simplify the photoacoustic microscopic brain imaging system. However, the acoustic impedance ...
X-ray ptychography using physics-enhanced implicit neural representations [0.03%]
利用物理增强的隐式神经表示的X射线ptychography
Zike Zhang,Fei Wang,Jianhua Zhang et al.
Zike Zhang et al.
We introduce the Deep Ptychographic Iterative Engine (DeePIE), which leverages physics-enhanced implicit neural representations (INRs) for robust ptychographic reconstruction. DeePIE represents the complex object field via two coordinate-ba...
Stepwise gradient etching for low-defect GaN Micro-LEDs with suppressed non-radiative recombination [0.03%]
低缺陷GaN微发光二极管的步进梯度腐蚀工艺及其非辐射复合抑制机制研究
Sheng Hang,ShuQing He,Zhaohui Yang et al.
Sheng Hang et al.
Micro-light-emitting diode (Micro-LED) display technology demonstrates exceptional potential for next-generation intelligent displays, yet persistent challenges in luminescent efficiency degradation incurred by device miniaturization requir...
Active double-layered Huygens' metasurface for time-varying OAM beam generation in the microwave regime [0.03%]
用于产生时变轨道角动量光束的主动双层海涅斯超表面
Bingxue Zhang,Qian He,Ping Han et al.
Bingxue Zhang et al.
Time-varying orbital angular momentum (OAM) beams offer promising capabilities for applications in electromagnetic wave manipulation due to their unique potential in spatiotemporal differentiators, sub-/superluminal pulse control, and high-...
Three-dimensional ultra-compact straight-line tritter with uniform power splitting [0.03%]
均匀分束的三维超紧凑直线三波分复用器
Yue-Xiao Yan,Ze-Zheng Li,Ren-Hao Xing et al.
Yue-Xiao Yan et al.
Multiport integrated photonic devices based on waveguide optics are crucial for enabling linear optical computation and multi-photon interference on-chip, facilitating the construction of optical processor and various quantum phenomena, res...