Unambiguous identification of waveguide loss and coupling coefficients using add-drop ring resonators [0.03%]
利用添加/删除环形谐振器无歧义地识别波导损耗及耦合系数
Vladimir Fedorov,Karl Johnson,Dmitrii Belogolovskii et al.
Vladimir Fedorov et al.
Waveguide propagation loss and coupling coefficients are key parameters that must be measured routinely following fabrication of integrated photonic chips. While multiple methods exist to measure these parameters, existing methods are eithe...
S Kurdiumov,N Papasimakis,J Y Ou et al.
S Kurdiumov et al.
Object detection requires localizing and classifying the size and shape of an unknown object. Here we show that artificial-intelligence-enabled analysis of light scattered on objects that are not resolvable by conventional microscopy can be...
Design and fabrication of curved waveguide display based on freeform polarization volume holograms [0.03%]
基于自由曲面偏振体全息图的弯曲波导显示的设计与制作
Jiacheng Weng,Chunyang Pei,Haifeng Li et al.
Jiacheng Weng et al.
As one of the most promising augmented reality solutions, waveguide display has attracted widespread attention in recent years. However, most existing research and commercial products are limited to the planar waveguide scheme. Here, we pro...
Magnetic field vector detection at the millitesla level using a YIG microcavity optical sensor [0.03%]
用于检测毫特斯拉级磁场矢量的钇铁石榴石微腔光学传感器
Yanran Wu,Yongpan Gao,Yisu Yang et al.
Yanran Wu et al.
Millitesla-level magnetic field vector detection based on a yttrium iron garnet (YIG) microcavity optical sensor with a quality factor of ∼105 is proposed and demonstrated. The sensor leverages external magnetic field variations to change ...
1.6-Tbps low-power linear-drive high-density optical interface for machine learning/artificial intelligence [0.03%]
用于机器学习/人工智能的1.6Tbps低功耗线性驱动高密度光接口
Guilhem de Valicourt,Pete Pupalaikis,Randy Giles et al.
Guilhem de Valicourt et al.
We demonstrate a high-density, high-speed, low-latency, low-power, fully-packaged optical engine operating real-time at 16 × 106.25-Gbps (full-duplex) and achieving a chiplet edge input/output density of 246 Gbps/mm, 2D-arrayable to Tbps/m...
Research on degradation characteristics of 253 nm AlGaN-based micro-LEDs for charge management application [0.03%]
基于253nm AlGaN微发光二极管的放电管理应用降解特性研究
Yuning Gu,Zhihao Zhang,Xinyi Shan et al.
Yuning Gu et al.
Ultraviolet-C micro-light-emitting diodes (UVC micro-LEDs) are promising as a superior alternative to existing UV light sources for charge management in the aspect of gravitational wave detection due to their better performance. However, th...
Heterogeneous integration, single-mode MEMS-VCSEL with super-span resonance filtering, small divergence angle, and Gaussian distribution [0.03%]
异质集成超宽谱谐振滤波小发散角高斯分布的单模MEMS-VCSEL
Jisheng Wang,Ning Cui,Hongzhuo Wang et al.
Jisheng Wang et al.
Wavelength tunable vertical cavity surface emitting lasers (VCSELs) are becoming increasingly popular in wavelength-division multiplexing passive optical networks (WDM-PON). However, due to the limitations of laser beam quality, traditional...
Vijay Anirudh Premnath,Kwon Sang Lee,Chih-Hao Chang
Vijay Anirudh Premnath
This research investigates the optical anisotropy and structure-induced birefringence in low-index nanolattices. By designing the unit-cell geometry using 3-dimentional (3D) colloidal lithography, nanolattices can exhibit different refracti...
L Wang,T T Lin,K Wang et al.
L Wang et al.
The 3-level resonant-phonon scheme, a predominant approach for achieving high-temperature operation in terahertz quantum cascade lasers, has recently gained conspicuous progress by purifying the lasing of relevant quantum levels from nonrel...
Manuel Jung,Tobias Brunner,Edgar Willenborg et al.
Manuel Jung et al.
Previous studies have shown that laser polishing of glass is possible for flat surfaces. However, when it comes to three-dimensional geometries such as lenses, additional challenges arise. In this paper, we present a mathematical-physical m...