Cross-period sub-nyquist sampling method for efficient 3D surface profiling in low-coherence scanning interferometry [0.03%]
低相干扫描干涉仪中用于高效三维表面轮廓测量的跨时域欠采样方法
Wei Liu,Yan Tang,Yuliang Long et al.
Wei Liu et al.
Low-coherence scanning interferometry (LCSI) serves as a highly accurate methodology for three-dimensional surface profilometry. However, to preserve the characteristic information embedded in the interferometry signals, the sampling interv...
Security analysis of simultaneous classical communication and CVQKD with a local local oscillator under the phase reference pulse intensity attack [0.03%]
相位参考脉冲强度攻击下本地本振信号的经典通讯与连续变量量子密钥分发的安全分析
Weiqi Liu,Minghui Zhang,Jin Qi et al.
Weiqi Liu et al.
The simultaneous classical and continuous variable quantum communication can allow classical communication and continuous variable quantum key distribution with a local local oscillator (LLO CVQKD) to be implemented simultaneously using the...
Yunqiao Yin,Ye Zhang,Xiaofeng Xu et al.
Yunqiao Yin et al.
Lasers and light emitters typically do not radiate fields with orbital angular momentum (OAM). So far, the generation of single photons carrying OAM mainly relies on nonlinear processes in bulk crystals, which limits the scalability and eff...
Detection of atmospheric carbon dioxide with air-lasing-based coherent Raman spectroscopy [0.03%]
基于空气激光的相干拉曼光谱法检测大气二氧化碳
Ning Zhang,Zelong Li,Rongyu Gong et al.
Ning Zhang et al.
Coherent anti-Stokes Raman scattering (CARS) is recognized as a powerful technique for chemical sensing, biological imaging, and combustion diagnostics, but it is rarely used in atmospheric detection due to complex multi-beam configuration ...
5.3 mW at 80°C, single-mode high-power 795 nm VCSEL achieved solely through intracavity design [0.03%]
仅通过腔内设计实现的单模高功率795nm VCSEL（80°C时功耗为5.3mW）
Jingfei Mu,Gaohui Yuan,Yinli Zhou et al.
Jingfei Mu et al.
We designed a vertical-cavity surface-emitting laser (VCSEL) that achieved high-power single-mode output with a 6 µm oxide aperture solely through cavity design. Anti-waveguide design was used to suppress the in-plane mode, which enhances ...
Achromatization of efficiency of multifocal diffractive optical elements using tailored double-layer structures [0.03%]
利用定制的双层结构对多焦点衍射光学元件的效率消色差
Lia Schmidt,Hartmut Hillmer,Robert Brunner
Lia Schmidt
Multifocal diffractive optical elements (MFDOEs) form images at different scene distances using interleaved sawtooth patterns. However, single-layer MFDOEs exhibit wavelength-dependent efficiency distributions, causing chromatic variations....
Simulation study of an X-ray diffraction beamlet array for dark-field chest CT [0.03%]
暗场胸部CT射线衍射光束列阵的模拟研究
Simon Spindler,Michał Rawlik,Lucia Romano et al.
Simon Spindler et al.
We introduce diffraction beamlet arrays (DBAs), a technique that overcomes the limitations of conventional X-ray grating interferometry, especially when combined with computed tomography (CT) applications. Traditional interferometry systems...
High-repetition-rate electro-optic frequency combs using cascaded silicon phase modulators [0.03%]
基于级联硅相位调制器的高重频电光频率梳
Abdolkhalegh Mohammadi,Erwan Weckenmann,Alireza Geravand et al.
Abdolkhalegh Mohammadi et al.
We explore what we believe to be novel methods to improve the spacing and flatness of comb lines in an electro-optic frequency comb using cascaded silicon phase modulators. Our analysis extends to various factors influencing the comb spectr...
Silicon photonic MEMS 2 × 2 elementary switch based on horizontal adiabatic directional couplers [0.03%]
基于水平渐变定向耦合器的硅基光力学2×2元开关
Yinpeng Hu,Jiayue Zhu,Ye Lu et al.
Yinpeng Hu et al.
High-speed data processing requires large-scale photonic integrated circuits, in which photonic switches serve as essential components for reconfiguration. Micro-electromechanical-system (MEMS)-based photonic switches, particularly those ut...
High-fidelity curvilinear mask optical proximity correction using tangent angle-arc length curve [0.03%]
基于切线角弧长曲线的高精度二次曲面Mask光学邻近效应修正技术
Weichen Huang,Yangqiu Li,Zhaoxuan Li et al.
Weichen Huang et al.
The curvilinear mask has received significant attention in recent years due to its capacity to provide superior lithography image quality in advanced nodes. Within the framework of curvilinear mask optical proximity correction (OPC), the se...