Diffraction and Gratings
Editors' Pick
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Transversely graded polarization volume gratings fabricated by freeform holographic photoalignment

Hiroyuki Yoshida, Yudai Abe, Koichi Igeta, Ayaka Higuchi, Junji Kobashi, Yasushi Tomioka, and Shinichiro Oka

Opt. Lett. 49(1), 121-124 (2024)  View: HTML | PDF

Fiber Optics and Optical Communications
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Multi-beam, WDM-based photonic beamformer with spectrum reuse

Rui Oliveira, Rogério N. Nogueira, and Miguel V. Drummond

Opt. Lett. 49(1), 53-56 (2024)  View: HTML | PDF

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High-efficiency cladding-pumped Er/Yb co-doped alumino-phosphosilicate fiber for an extended L-band amplification

Le He, Yang Chen, Xiaoke Yin, Zhimu Gu, Shaokun Liu, Wenzhen Li, Yingbin Xing, Yingbo Chu, Nengli Dai, and Jinyan Li

Opt. Lett. 49(1), 61-64 (2024)  View: HTML | PDF

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Robust, in-service, and joint monitoring of a dual-polarization transceiver IQ skew for a coherent DSCM system without channel impairment compensation

Linsheng Fan, Yanfu Yang, Qun Zhang, Siyu Gong, Yuchen Jia, and Yong Yao

Opt. Lett. 49(1), 129-132 (2024)  View: HTML | PDF

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Analysis of high-contrast all-optical dual-wavelength switching in asymmetric dual-core fibers

Le Xuan The Tai, Mattia Longobucco, Nguyen Viet Hung, Bartosz Pałuba, Marek Trippenbach, Boris A. Malomed, Ignas Astrauskas, Audrius Pugžlys, Andrius Baltuška, Ryszard Buczyński, and Ignác Bugár

Opt. Lett. 49(1), 149-152 (2024)  View: HTML | PDF

Fourier Optics, Image and Signal Processing
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Imaging objects hidden inside the strongly scattering media based on bidirectional ghost imaging

Dejin Zhang, Wei Sheng, Yaoyao Shi, and Youwen Liu

Opt. Lett. 49(1), 13-16 (2024)  View: HTML | PDF  [Suppl. Mat. (1)]

Imaging Systems
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Video snapshot compressive imaging using adaptive progressive coding for high-quality reconstruction under different illumination circumstances

Xing Liu, Mingyu Zhu, Siming Zheng, Runqiu Luo, Huazheng Wu, and Xin Yuan

Opt. Lett. 49(1), 85-88 (2024)  View: HTML | PDF  [Suppl. Mat. (5)]

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Spatial frequency shift super-resolution imaging based on quasiperiodic grating and deep learning

Xingyu Liu, Jiang Yu, Fubin Liu, Yong Liu, HongMei Guo, and Yong-Hong Ye

Opt. Lett. 49(1), 105-108 (2024)  View: HTML | PDF  [Suppl. Mat. (1)]

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Four-dimensional laser absorption cinematography of species and temperature dynamics at 2 kHz in reacting flows

Chuyu Wei and R. Mitchell Spearrin

Opt. Lett. 49(1), 141-144 (2024)  View: HTML | PDF

Integrated Optics
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Integrated photonic molecule Brillouin laser with a high-power sub-100-mHz fundamental linewidth

Kaikai Liu, Jiawei Wang, Nitesh Chauhan, Mark W. Harrington, Karl D. Nelson, and Daniel J. Blumenthal

Opt. Lett. 49(1), 45-48 (2024)  View: HTML | PDF  [Suppl. Mat. (1)]

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Polarization-insensitive vortex beam generator by the holographic grating on an integrated multi-layer waveguide

Aiping Liu, Zirui Li, Chang-Ling Zou, Jiabei She, Qin Wang, and Xifeng Ren

Opt. Lett. 49(1), 97-100 (2024)  View: HTML | PDF

Lasers and Laser Optics
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Development of an all-solid-state air-cooled high-power blue diode laser for metal processing

Jayant S. Devara, Sandeep Jakhar, Yateendra Sihag, Biswajit Panda, Ananth Venkatesan, and Kamal P. Singh

Opt. Lett. 49(1), 17-20 (2024)  View: HTML | PDF  [Suppl. Mat. (1)]

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RF-controlled mode-locking and optoelectronic pulse compressing with distributed selectable wavelengths

Jia Shuo Huang, Fu Tong Yang, Zhen Chuan Liu, Di Zheng, and Wei Li Zhang

Opt. Lett. 49(1), 37-40 (2024)  View: HTML | PDF

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Sub-50 fs, 0.5 W average power Nd-doped fiber amplifier at 920 nm

Ti-Jian Li, He Sun, Meng Liu, Ai-Ping Luo, Wen-Cheng Xu, and Zhi-Chao Luo

Opt. Lett. 49(1), 57-60 (2024)  View: HTML | PDF

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Feedback insensitivity in a self-chaotic microcavity laser

Yun-Xiao Dong, Jian-Cheng Li, Ya-Li Li, Yang Shi, Jin-Long Xiao, Yue-De Yang, Yong-Zhen Huang, and You-Ling Chen

Opt. Lett. 49(1), 69-72 (2024)  View: HTML | PDF

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High-speed k-linear swept laser using acousto-optic deflectors with Doppler shift compensation for optical coherence tomography

Zhangwei Hu, Bin He, Yejiong Shi, Chengming Wang, Zhengyu Chen, Zichen Yin, Xiaomeng Liu, Xiao Zhang, Ning Zhang, Linkai Jing, Guihuai Wang, and Ping Xue

Opt. Lett. 49(1), 101-104 (2024)  View: HTML | PDF

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Sub-diffraction optical beam lithography based on a center-non-zero depletion laser

Chenyi Su, Chenliang Ding, Zhenyao Yang, Chun Cao, Yiwei Qiu, Dazhao Zhu, Cuifang Kuang, and Xu Liu

Opt. Lett. 49(1), 109-112 (2024)  View: HTML | PDF  [Suppl. Mat. (2)]

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Particle swarm optimization-assisted approach for the extraction of VCSEL model parameters

Andrea Marchisio, Enrico Ghillino, Vittorio Curri, Andrea Carena, and Paolo Bardella

Opt. Lett. 49(1), 125-128 (2024)  View: HTML | PDF

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All-polarization-maintaining Ho-doped fiber oscillator mode-locked with nonlinear polarization evolution

Jinzhang Wang, Bailing Wen, Xinzhou Chen, Hong Zhang, Xiting Chen, Peiguang Yan, and Hui Zhang

Opt. Lett. 49(1), 133-136 (2024)  View: HTML | PDF  [Suppl. Mat. (1)]

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Sub-100-fs Kerr-lens mode-locked Yb:Lu2O3 laser with more than 60% optical efficiency

Xiancui Su, Yiran Wang, Yanru Yin, Mengmeng Wang, Bingyuan Zhang, Jingliang He, and Baitao Zhang

Opt. Lett. 49(1), 145-148 (2024)  View: HTML | PDF

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Deep-learning assisted fast orbital angular momentum complex spectrum analysis

Shiyun Zhou, Lang Li, Chunqing Gao, and Shiyao Fu

Opt. Lett. 49(1), 173-176 (2024)  View: HTML | PDF  [Suppl. Mat. (1)]

Materials and Metamaterials
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Flexible broadband metamaterial absorber in long-wave infrared with visible transparency fabricated by laser direct writing

Haifeng Xu, Jierong Cheng, Qian Huang, Ming Luo, Diannan Li, Dazhao Zhu, Gangyao Zhan, Qiaoyun Zheng, Yu Zhang, Jingzhu Shao, and Chongzhao Wu

Opt. Lett. 49(1), 89-92 (2024)  View: HTML | PDF

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High-performance etchless lithium niobate layer electro-optic modulator enabled by quasi-BICs

Guiqiang Liu, Shu Zong, Xiaoshan Liu, Juan Chen, and Zhengqi Liu

Opt. Lett. 49(1), 113-116 (2024)  View: HTML | PDF  [Suppl. Mat. (1)]

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Near-unity circular dichroism enabled by toroidal dipole empowered bound states in the continuum for electrical switching and sensing

Yang Cheng, Junjie Li, Dongwen Zeng, Wei Liu, Zhengqi Liu, and Guiqiang Liu

Opt. Lett. 49(1), 165-168 (2024)  View: HTML | PDF

Microscopy
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Easily scalable multi-color DMD-based structured illumination microscopy

Daozheng Gong, Chufan Cai, Eli Strahilevitz, Jing Chen, and Norbert F. Scherer

Opt. Lett. 49(1), 77-80 (2024)  View: HTML | PDF  [Suppl. Mat. (1)]

Nonlinear Optics
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All-optical modulation by continuous wave light using two-color excited-state absorption at visible wavelengths

Jinhyeok Hong and Heongkyu Ju

Opt. Lett. 49(1), 157-160 (2024)  View: HTML | PDF

Optical Devices
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Enhancing the spatial resolution of light-field displays without losing angular resolution by a computational subpixel realignment

Wenchao Yang, Yunfan Cheng, Guowei Zou, Bo-Ru Yang, and Zong Qin

Opt. Lett. 49(1), 1-4 (2024)  View: HTML | PDF  [Suppl. Mat. (1)]

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Fan-in/fan-out for heterogeneous 19-core fibers based on metasurfaces with nonuniform phase plates

Yang Wang, Xutao Wang, Chunshu Li, Yichen He, Zhanhua Huang, Yaping Liu, Zhiqun Yang, and Lin Zhang

Opt. Lett. 49(1), 5-8 (2024)  View: HTML | PDF

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Toward a 10 dB net-gain waveguide amplifier in an Er3+–Yb3+ co-doped phosphate glass

Xiangyu Sun, Zhi Chen, Liaolin Zhang, Daoyuan Chen, Yuying Wang, Beibei Xu, Zhijun Ma, Giuseppe Barillaro, Lijing Zhong, and Jianrong Qiu

Opt. Lett. 49(1), 33-36 (2024)  View: HTML | PDF

Editors' Pick
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Laser-written wave plates inside the silicon enabled by stress-induced birefringence

Alperen Saltik and Onur Tokel

Opt. Lett. 49(1), 49-52 (2024)  View: HTML | PDF  [Suppl. Mat. (1)]

Optical Sensors, Measurements, and Metrology
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Sub-millimeter resolution and high-precision φ-OFDR using a complex-domain denoising method

Kaijun Liu, Guolu Yin, Zeheng Zhang, Zixuan Zhong, Huafeng Lu, Duidui Li, and Tao Zhu

Opt. Lett. 49(1), 29-32 (2024)  View: HTML | PDF

Optoelectronics
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Microwave photonic I/Q mixer for wideband frequency downconversion with serial electro-optical modulations

Yuewen Zhou, Jiayuan Kong, Fangzheng Zhang, and Shilong Pan

Opt. Lett. 49(1), 65-68 (2024)  View: HTML | PDF

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Collinear optical links based on a GaN-integrated chip for fiber-optic acoustic detection

Fan Shi, Hao Zhang, Chengxiang Jiang, Kang Fu, Linning Wang, Ziqian Qi, Zhihang Sun, Li Fang, Hongbo Zhu, Jiabin Yan, and Yongjin Wang

Opt. Lett. 49(1), 169-172 (2024)  View: HTML | PDF  [Suppl. Mat. (3)]

Photonic Crystals and Devices
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Ultrahigh-Q and angle-robust chiroptical resonances beyond BIC splitting

Liangliang Liu, Haoqi Luo, Zheng Xi, Yonghua Lu, and Pei Wang

Opt. Lett. 49(1), 153-156 (2024)  View: HTML | PDF  [Suppl. Mat. (1)]

Physical Optics
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Mode-order conversion in a Mach–Zehnder interferometer based on Chern insulators

Zhewei Fan, Tao Zhou, Xudong Zhan, and Xiaofei Zang

Opt. Lett. 49(1), 9-12 (2024)  View: HTML | PDF  [Suppl. Mat. (1)]

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High-efficiency integer multiplier for the orbital angular momentum of light

Qingsong Yao, Jie Cheng, Weichao Liu, and Chenhao Wan

Opt. Lett. 49(1), 81-84 (2024)  View: HTML | PDF  [Suppl. Mat. (1)]

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High-order exciton complexes induced by an interlayer carrier transfer in 2D van der Waals heterostructures

Yizhen Sui, Xiangai Cheng, Qirui Liu, Yuxiang Tang, Zhongjie Xu, and Ke Wei

Opt. Lett. 49(1), 161-164 (2024)  View: HTML | PDF  [Suppl. Mat. (1)]

Plasmonics and Optics at Surfaces
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Aluminum-based plasmonic metasurface for computational spectrometry with full coverage of visible light

Qingbin Fan, Weizhu Xu, Peicheng Lin, Yunfei Sun, Feng Yan, Xuemei Hu, Tao Yue, and Ting Xu

Opt. Lett. 49(1), 21-24 (2024)  View: HTML | PDF  [Suppl. Mat. (1)]

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Broadband optical properties of Ti3C2 MXene revisited

Daria A. Panova, Gleb I. Tselikov, Georgy A. Ermolaev, Alexander V. Syuy, Dmitrii S. Zimbovskii, Olesya O. Kapitanova, Dmitry I. Yakubovsky, Arslan B. Mazitov, Ivan A. Kruglov, Andrey A. Vyshnevyy, Aleksey V. Arsenin, and Valentyn S. Volkov

Opt. Lett. 49(1), 25-28 (2024)  View: HTML | PDF  [Suppl. Mat. (1)]

Ultrafast Optics
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Unified framework for terahertz radiation from a single- or two-color plasma filament

Feifan Zhu, Jiayu Zhao, Li Lao, Yan Peng, and Yiming Zhu

Opt. Lett. 49(1), 41-44 (2024)  View: HTML | PDF  [Suppl. Mat. (1)]

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Single-shot observation of nonlinear pulse splitting in a Kerr medium

Yen-Yu Chang, Jeremy R. Gulley, Zhengyan Li, James Welch, Rafal Zgadzaj, Aaron Bernstein, and M. C. Downer

Opt. Lett. 49(1), 73-76 (2024)  View: HTML | PDF  [Suppl. Mat. (1)]

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Few-cycle optical vortices for strong-field physics

Matthieu Guer, Martin Luttmann, Jean-François Hergott, Fabien Lepetit, Olivier Tcherbakoff, Thierry Ruchon, and Romain Géneaux

Opt. Lett. 49(1), 93-96 (2024)  View: HTML | PDF  [Suppl. Mat. (1)]

Editors' Pick
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Nonlinear post-compression of a hybrid vortex mode in a gas-filled capillary

Mekha Vimal, Michele Natile, Jean-François Lupi, Florent Guichard, Dominique Descamps, Marc Hanna, and Patrick Georges

Opt. Lett. 49(1), 117-120 (2024)  View: HTML | PDF

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Photo-physical characteristics of color N3-center in diamond studied via UV femtosecond-laser pumped luminescence

Sergey Kudryashov, Pavel Danilov, Nikita Smirnov, Petr Pakholchuk, Mikhail Skorikov, Igor Smetanin, Pham Hong Minh, and Pham Van Duong

Opt. Lett. 49(1), 137-140 (2024)  View: HTML | PDF

Errata
Anti-noise UWFBG-array enhanced DAS system using double-pulse-based time-domain adaptive delay interference: publisher’s note

Xin Gui, Siqi He, Yiming Wang, Xuelei Fu, Yongxing Guo, and Zhengying Li

open access Opt. Lett. 49(1), 177-177 (2024)  View: HTML | PDF