Matthew R Wilson,Jack A Smith,Michael J Strain et al.
Matthew R Wilson et al.
The increase in demand for scalable and energy-efficient artificial neural networks has put the focus on novel hardware solutions. Integrated photonics offers a compact, parallel, and ultra-fast information processing platform, specially su...
Parasitic reflection elimination based on adaptive fringes via multi-scale parallel single-pixel imaging in phase measuring deflectometry [0.03%]
基于自适应条纹的多尺度并行单像素成像相位测量莫尔技术寄生反射消除方法研究
Wenjing Chang,Yuankun Liu,Shaotian Zhang
Wenjing Chang
We introduce a method of adaptively modifying the screen display to eliminate the ghost fringes observed in deflectometry optical testing. First, the reflection areas on the screen for both front and rear surfaces are labeled by multi-scale...
Dual-wavelength distributed feedback laser based on waveguide Bragg grating microcavities [0.03%]
基于波导布拉格光栅微腔的双波长分布反馈激光器
Mohanad Jamal Al-Rubaiee,Xiao Sun,Jue Wang et al.
Mohanad Jamal Al-Rubaiee et al.
We demonstrate a new, to the best of our knowledge, dual-wavelength distributed feedback laser platform based on a waveguide Bragg grating microcavity incorporating uniform sidewall gratings. This is the first single-section, single-contact...
Josh T Christensen,Luke S Trainor,Farhan Azeem et al.
Josh T Christensen et al.
In this study, we build upon our earlier research on distance calibration using Newton's rings [Opt. Lett.47, 6053 (2022)10.1364/OL.474539] in a disc-shaped whispering gallery mode resonator (WGMR). Here, we use a glass trapezoidal prism co...
OTDR trace distortion correction in Raman-amplified systems using transformer models [0.03%]
拉曼放大系统中基于变压器模型的OTDR迹线失真矫正算法研究
Md Ghulam Saber,Qingyi Guo,Zhiping Jiang
Md Ghulam Saber
We present a Transformer model-based method for correcting optical time domain reflectometer (OTDR) trace distortions in Raman-amplified optical systems. Unlike prior approaches, the proposed model operates without requiring Raman pump powe...
Compact microgear reflector-based laser heterogeneously integrated on a SiN platform [0.03%]
基于微齿轮反射器的紧凑型激光器在硅 nitride 平台上的异质集成
Tom Reep,Tom Vandekerckhove,Max Kiewiet et al.
Tom Reep et al.
We report on heterogeneously integrated continuous-wave (CW) lasers on a SiN platform that employ a microgear as a wavelength-selective reflector. Heterogeneous integration is realized through micro-transfer printing (µTP), enabling compac...
Low-loss broadband i-line lithography-compatible thin-film lithium niobate edge coupler interfaced with single-mode fiber [0.03%]
低损耗宽带i线光刻兼容薄膜铌酸锂边缘耦合器与单模光纤接口
Rui Ma,Cangsu Yuan,Jingwen Sun et al.
Rui Ma et al.
Thin-film lithium niobate (TFLN) provides an outstanding platform for exploring nonlinear optics and electro-optic effects, where efficient coupling between TFLN waveguide and a fiber is always required. In this work, we present an i-line l...
Optical signal acquisition using an alignment robust receiver based on a photodetector array [0.03%]
一种基于光电探测器阵列的对准鲁棒型接收机的光学信号采集方法
Yunjie Yan,Joris Van Kerrebrouck,Nishant Singh et al.
Yunjie Yan et al.
A high-speed receiver module for free-space optical communications with robust alignment, incorporating a previously developed photodetector array (PDA), is presented. The packaged receiver was characterized for the frequency response and t...
Low-loss and polarization-insensitive double-tip edge coupler with etched facet on a lithium niobate on insulator platform [0.03%]
绝缘体上铌锂平台刻面的低损耗和偏振不敏感双尖边缘耦合器
Xianjun Zhou,Hongwei Li,Feifan Yao et al.
Xianjun Zhou et al.
In this Letter, we propose and demonstrate a low-loss and polarization-insensitive edge coupler based on an etched facet double-tip inverse taper structure in lithium niobate on insulator (LNOI) across the C- and L-bands. Using a simple dry...
Super-resolving binary-source hypothesis testing with a double-clad fiber coupler [0.03%]
双包层光纤耦合器超分辨率二元源假设检验
John S Wallis,David R Gozzard,Alex M Frost et al.
John S Wallis et al.
We present a technique for binary spatial mode demultiplexing, using a double-clad fiber coupler as an optical mode sorter, for hypothesis testing for one or two point sources in an incident optical field. By directly coupling an optical fi...