Broadband silicon nitride integrated polarization rotators at 780 nm
Polarization management, and in particular polarization rotation, is becoming increasingly important for photonic integrated circuits ... (Source: Optics Express)
Source: Optics Express - April 22, 2024 Category: Physics Authors: Marcel W. Pruessner Kyle J. Walsh Nathan F. Tyndall Nicholas M. Fahrenkopf Alin O. Antohe Todd H. Stievater Source Type: research
LMA fibers with increased higher-order mode loss for high average power, pulsed, diffraction-limited lasers
We demonstrate new, large-mode area (LMA) gain fibers with ∼ 25 µ m mode-field diameter, and increased higher-order mode loss ... (Source: Optics Express)
Source: Optics Express - April 22, 2024 Category: Physics Authors: Yaakov Glick Jose Pincha Ishu Kansal Robert Windeler Vasiliy Lukonin Eric Monberg Erin S. Lamb Lalitkumar Bansal Jeffrey W. Nicholson Source Type: research
Equalization of RGB coupling efficiencies of metasurface waveguide coupler by adjusting imaginary part of refractive index
Optical metasurfaces offer high-efficiency and flexible wavefront shaping for near-eye displays, especially in wideband waveguide couplers ... (Source: Optics Express)
Source: Optics Express - April 22, 2024 Category: Physics Authors: Ruqing Duan Diyang Gu Chenhui Liang Lele Xia Hang Chen Yuan Chen Liu Yang Source Type: research
Photon counting Raman spectroscopy: a benchmarking study vs surface plasmon enhancement
We demonstrate a single-photon counting Raman spectroscope and benchmark it against conventional and surface-enhanced Raman spectroscopy. ... (Source: Optics Express)
Source: Optics Express - April 22, 2024 Category: Physics Authors: Yehong Li Santosh Kumar Tianhang Huo Henry Du Yu-Ping Huang Source Type: research
Human activity recognition using a single-photon direct time-of-flight sensor
Single-Photon Avalanche Diode (SPAD) direct Time-of-Flight (dToF) sensors provide depth imaging over long distances, enabling the detection ... (Source: Optics Express)
Source: Optics Express - April 22, 2024 Category: Physics Authors: Germ á n Mora-Mart í n Stirling Scholes Robert K. Henderson Jonathan Leach Istvan Gyongy Source Type: research
Noise correction in differential phase contrast for improving phase sensitivity
Differential phase contrast (DPC) imaging relies on computational analysis to extract quantitative phase information from phase gradient ... (Source: Optics Express)
Source: Optics Express - April 22, 2024 Category: Physics Authors: Hu Liu Jialin Liu Wei Zhou Baoteng Xu Zengqi Yue Daxi Xiong Xibin Yang Source Type: research
Inelastic two-wave mixing induced high-efficiency transfer of optical vortices
A scheme for high-efficiency transfer of optical vortices is proposed by an inelastic two-wave mixing (ITWM) process in an inverted-Y ... (Source: Optics Express)
Source: Optics Express - April 22, 2024 Category: Physics Authors: Xu Deng Tao Shui Wen-Xing Yang Source Type: research
Scene-based dual domain non-uniformity correction algorithm for stripe and optics-caused fixed pattern noise removal
Non-uniformity is a long-standing problem that significantly degrades infrared images through fixed pattern noise (FPN). Existing ... (Source: Optics Express)
Source: Optics Express - April 22, 2024 Category: Physics Authors: Yuan Liu Bingwen Qiu Yayuan Tian Juan Cai Xiubao Sui Qian Chen Source Type: research
Dual-band and spectrally selective infrared absorbers based on hybrid gold-graphene metasurfaces
In this paper, we propose a dual-band and spectrally selective infrared (IR) absorber based on a hybrid structure comprising a patterned ... (Source: Optics Express)
Source: Optics Express - April 19, 2024 Category: Physics Authors: Mahsa Alijabbari Rouhollah Karimzadeh Samaneh Pakniyat J. Sebastian Gomez-Diaz Source Type: research
Optical spatial differentiation enabled layer sensing of two-dimensional atomic crystals
Zero-thickness model and slab model are two important models in the description of optical behaviors in two-dimensional atomic crystals. ... (Source: Optics Express)
Source: Optics Express - April 19, 2024 Category: Physics Authors: Jin Zhang Hanqing Wu Mian Huang Xin Dai Tao Zhang Yingdan Li Xiaoyan Yu Source Type: research
Nonvolatile multilevel adjustable optical switch based on plasmonic slot waveguide and GST segmented structure
Optical computing has gradually demonstrated its efficiency in handling increasingly complex computational demands, attracting widespread ... (Source: Optics Express)
Source: Optics Express - April 19, 2024 Category: Physics Authors: Yiqun Zhang Qiong Duan Xu Yan Qi Zhang Yegang Lu Source Type: research
Coherent Nyquist optical pulse transmission at nearly 1-Tb/s/ λ over 1,600 km with a capacity of 21.5 Tb/s using PS-32 QAM signals
We demonstrate the 1,600-km transmission at nearly 1-Tb/s/ λ signals with a capacity of 21.5 Tb/s. Probabilistic shaping was newly ... (Source: Optics Express)
Source: Optics Express - April 19, 2024 Category: Physics Authors: Shohei Beppu Aoto Ishikawa Takeki Serikawa Masato Yoshida Toshihiko Hirooka Masataka Nakazawa Source Type: research
Conical quasi-phase-matching second harmonic generation in a 2D photonic crystal with hybrid Ewald geometric method
The direction variation of the fundamental wave in the same nonlinear photonic crystal would cause different pattern of harmonics ... (Source: Optics Express)
Source: Optics Express - April 19, 2024 Category: Physics Authors: Chang Ping Ren Huang Huang Xu Hao Hong Source Type: research
Two-dimensional beam scanning by tunable photonic spin Hall effect
To the best of our knowledge, a novel tunable photonic spin Hall effect is proposed based on a pair of liquid crystal Pancharatnam-Berry ... (Source: Optics Express)
Source: Optics Express - April 18, 2024 Category: Physics Authors: Weichao Xie Tingyu Lin Huadan Zheng Jianhui Yu Yongchun Zhong Zhe Chen Wenguo Zhu Source Type: research
High Verdet constant of Tb_2O_3-doped TiO-B_2O_3-Al_2O_3-Na_2O magneto-optical glass
Tb-doped magneto-optical (MO) glass is widely used in fiber optics, optical isolators, and modulators. However, only the paramagnetic Tb^3+ ... (Source: Optics Express)
Source: Optics Express - April 18, 2024 Category: Physics Authors: Jiadong Li Xudong Zhao Yuanxing Chang Weiwei Li Ping Lu Mengling Xia Xianghua Zhang Yinsheng Xu Source Type: research
