Dynamic spectral tailoring of a 10 GHz laser frequency comb for enhanced calibration of astronomical spectrographs [0.03%]
一种用于增强天文摄谱仪校准的10GHz激光频率梳的动态光谱调整方法
Pooja Sekhar,Connor Fredrick,Peter Zhong et al.
Pooja Sekhar et al.
Laser frequency combs (LFCs) are an important component of Doppler radial velocity (RV) spectroscopy that pushes fractional precision to the 10-10 level, as required to identify and characterize Earth-like exoplanets. However, large intensi...
Griffin Schwartz,Sajeev John
Griffin Schwartz
Wave-interference-based light trapping with photonic crystal structures offers a promising avenue for improving the power conversion efficiency of crystalline silicon solar cells beyond the current world record of 27.3%. Recent research on ...
Determination of confocal parameters of OCT imaging for eliminating confocal effect on attenuation coefficient estimation [0.03%]
确定OCT成像的共聚焦参数以消除共聚焦效应对衰减系数估计的影响
Zhilong Yan,Xinyuan Cao,Guohua Shi et al.
Zhilong Yan et al.
Optical coherence tomography (OCT) provides three-dimensional images of biological tissues based on low-coherence optical interference. Attenuation coefficient estimation is one of the important functional extensions of OCT and has received...
Secure multiparty computation for maximum and minimum values based on quantum homomorphic encryption [0.03%]
基于量子同态加密的多方最大最小值计算方案
Shuang Li,Xiao-Qiu Cai,Tian-Yin Wang
Shuang Li
Secure multiparty computation is a basic cryptographic primitive that has many important applications in privacy preservation. In this work, we propose a new secure multiparty computation protocol for the maximum and minimum values based on...
Broadband high coupling efficiency edge coupler with low polarization-dependence on the silicon-nitride platform [0.03%]
一种基于硅氮平台的大带宽高耦合效率偏振不敏感棱镜耦合器
Xiheng Ai,Maxwell Wei Xuan,Yang Zhang et al.
Xiheng Ai et al.
In this paper, we present an ultra-broadband double-tip edge coupler with high coupling efficiencies for both TE and TM polarizations on a silicon nitride platform. The coupler is designed for the high NA fiber which provides a smaller mode...
Multi-scale super-resolution reconstruction of terahertz images for postal security inspection [0.03%]
用于邮政安检的太赫兹图像多尺度超分辨率重建方法研究
Dongliang Peng,Limin Xu,Heng Wu et al.
Dongliang Peng et al.
Millimeter-wave and terahertz imaging systems have been used for security checks of human bodies, small postal packages, and industrial nondestructive evaluation. The image resolution is one of the key factors affecting the accuracy of cont...
Seeing through multimode fibers using real-valued intensity transmission matrix with deep learning [0.03%]
基于深度学习的实数强度传输矩阵多模光纤成像研究
Ziyu Ye,Tianrui Zhao,Wenfeng Xia
Ziyu Ye
Multimode fibers (MMFs) are emerging as a highly attractive technology for applications in biomedical endoscopy and telecommunications, thanks to their ability to transmit images and data through a large number of transverse optical modes. ...
2D refractive index measurement for direct laser writing waveguides with complex structures [0.03%]
用于直接激光书写具有复杂结构波导的二维折射率测量法
Ning Ma,Cheng Yan,Sujuan Huang
Ning Ma
Direct laser writing (DLW) waveguides are promising for next-generation integrated photonic devices. Accurately measuring the two-dimensional (2D) refractive index distribution (RID) of DLW waveguides is crucial for their implementation. Ho...
Second harmonic generation into the near ultraviolet in Zr-diffusion-doped lithium tantalate ridge waveguides [0.03%]
掺锆锂钽酸锂脊波导中近紫外光的二次谐波产生
Sergiy Suntsov,Chaitanya Sharma,Kore Hasse et al.
Sergiy Suntsov et al.
We report on the efficient second harmonic generation at a near-UV wavelength of 399.7 nm in periodically poled Zr-doped LiTaO3 waveguides. High-temperature in-diffusion of ZrO2 layers into congruent LiTaO3 substrates with simultaneous impr...
Accurate and noise robust crosstalk removal techniques for edge illumination phase-based x-ray imaging systems [0.03%]
基于边照相位法X射线成像系统的精确和抗噪交叉 talk消除技术
Andrea Mazzolani,Alberto Astolfo,Ian Buchanan et al.
Andrea Mazzolani et al.
In x-ray phase contrast imaging (XPCI) using the edge illumination method (EI), crosstalk (XT) between adjacent pixels due to, e.g., light diffusion in the scintillator in indirect conversion detector systems is an issue that blurs images a...