Knowledge-distillation-inspired semi-supervised equalizer in high-speed IMDD systems

Meihua Bi, Xiangmin Fang, Guowei Yang, Yuru Chen, and Miao Hu

Opt. Lett. 50(6), 1775-1778 (2025)  View: HTML | PDF

Dual threshold demodulation algorithm for ultraviolet optical communication under turbulent channels

Fengyu Cao, Tao Yang, Yuxuan Ai, and Zhiguo Zhang

Opt. Lett. 50(6), 1819-1822 (2025)  View: HTML | PDF

1.536-Tb/s CPRI-equivalent rate IFoF mobile fronthaul over a 10 km SSMF with time skew-enabled VSB

Xiansong Fang, Yixiao Zhu, Xiang Cai, Jiayu Zheng, Weisheng Hu, and Fan Zhang

Opt. Lett. 50(6), 1849-1852 (2025)  View: HTML | PDF

Low complexity exponential pruning learned digital back-propagation method for fiber nonlinearity mitigation

Lyu Li, Zekun Niu, Hang Yang, Junzhe Xiao, Guozhi Xu, Weisheng Hu, and Lilin Yi

Opt. Lett. 50(6), 1893-1896 (2025)  View: HTML | PDF  [Suppl. Mat. (1)]

Ultrafast all-optical modulation based on graphene-microfiber

Xuetao Xia, Mengye Wang, Jiatong Zhang, Ying Shang, Fang Zhao, Xinghu Fu, Wa Jin, Weihong Bi, and Guangwei Fu

Opt. Lett. 50(6), 1925-1928 (2025)  View: HTML | PDF

Iterative phase retrieval algorithm for space-variant PSFs in optical systems with aberrations

Dylan Brault, Corinne Fournier, and Tatiana Latychevskaia

Opt. Lett. 50(6), 1767-1770 (2025)  View: HTML | PDF  [Suppl. Mat. (1)]

Voltage-controlled holography mediated with the metal ions sandwiched in TiO₂/FTO electrodes

Xin Li, Shencheng Fu, Jingying Miao, Xin Guo, Xintong Zhang, Zhongqiang Wang, Haiyang Xu, and Yichun Liu

Opt. Lett. 50(6), 1807-1810 (2025)  View: HTML | PDF  [Suppl. Mat. (1)]

360° display of 3D objects by cylindrical holography

Lei Jiang, Jie Zhou, Mohan Wang, Jiabao Wang, Yang Wu, and Jun Wang

Opt. Lett. 50(6), 1877-1880 (2025)  View: HTML | PDF  [Suppl. Mat. (3)]

High-fidelity infrared U-shaped residual network digital holography with attention module for crystal growth observation

Yifeng Qiu, Haochong Huang, Yingying Zhai, Zhiyuan Zheng, and Dexin Sun

Opt. Lett. 50(6), 1905-1908 (2025)  View: HTML | PDF  [Suppl. Mat. (1)]

Lensless Fourier transform multiplexed digital holography

Manoj Kumar, Lavlesh Pensia, Raj Kumar, and Osamu Matoba

Opt. Lett. 50(6), 1909-1912 (2025)  View: HTML | PDF | Compressed PDF  [Suppl. Mat. (1)]

Dual-optical-path coded aperture compressive temporal imaging

Ge Wang, Xing Liu, and Xin Yuan

Opt. Lett. 50(6), 1865-1868 (2025)  View: HTML | PDF  [Suppl. Mat. (1)]

On-chip Mach–Zehnder interferometer for 1550 nm laser frequency stabilization

Kang Cheng, Ning Wei, Yihui Zhang, Haixu Tao, Yibiao Hu, Jie Chen, Ningning Dong, Jiajing He, and Jun Wang

Opt. Lett. 50(6), 1783-1786 (2025)  View: HTML | PDF

Subwavelength grating couplers for an ultrathin silicon waveguide

Jiaqi Wang, Guoxian Wu, Si Chen, Zunyue Zhang, Hui Zhang, Xu Li, Penghao Ding, Chuxian Tan, Yu Du, Youfu Geng, Xuejin Li, Hon Ki Tsang, and Zhenzhou Cheng

Opt. Lett. 50(6), 1787-1790 (2025)  View: HTML | PDF  [Suppl. Mat. (1)]

Compact inverse-designed tilted waveguide crossing

Xiaoyan Zhang, Wu Xie, Chewping Leong, and Feng Gao

Opt. Lett. 50(6), 1889-1892 (2025)  View: HTML | PDF

Vertical-short-cavity laser with a guided-mode-resonance external mirror

Akari Watanabe, Shunsuke Teranishi, Keisuke Ozawa, Hongxu Chen, Junichi Inoue, Kenzo Nishio, Kenji Kintaka, and Shogo Ura

Opt. Lett. 50(6), 1917-1920 (2025)  View: HTML | PDF

Stabilizing the free spectral range of a large ring laser

Jannik Zenner, Karl Ulrich Schreiber, and Simon Stellmer

Opt. Lett. 50(6), 1763-1766 (2025)  View: HTML | PDF

35-fs diode-pumped mode-locked ytterbium-doped multi-component alkaline-earth fluoride laser

Zhen Zhang, Zhi-Qiang Li, Pavel Loiko, Huang-Jun Zeng, Ge Zhang, Zhang-Lang Lin, Simone Normani, Alain Braud, Fengkai Ma, Xavier Mateos, Hsing-Chih Liang, Valentin Petrov, Dapeng Jiang, Liangbi Su, and Weidong Chen

Opt. Lett. 50(6), 1835-1838 (2025)  View: HTML | PDF

Purcell enhanced laser action using a super-Tamm cavity mode

Sudha Maria Lis S, Somnath Pandit, Someprosad Patra, Faizan H. Lone, Nitesh Singh, Debamalya Banerjee, Rajesh V. Nair, and Shivakiran Bhaktha B N

Opt. Lett. 50(6), 1869-1872 (2025)  View: HTML | PDF

All solid-state single-frequency DUV source at 248 nm

Tianxiang Cheng, Fengtian Li, Zhenhua Cong, Zhaojun Liu, and Zhigang Zhao

Opt. Lett. 50(6), 1881-1884 (2025)  View: HTML | PDF

Rapid fabrication of highly uniform polygons by femtosecond laser patterning based on free lens modulation

Yue Yang, Erse Jia, Chen Xie, and Minglie Hu

Opt. Lett. 50(6), 1901-1904 (2025)  View: HTML | PDF  [Suppl. Mat. (1)]

Moiré metasurface for dynamically tuned vector beams

Changke Bu, Wen Xing, Wenjing Yue, Yang Li, Guiqiang Du, Cong Wang, and Song Gao

Opt. Lett. 50(6), 1823-1826 (2025)  View: HTML | PDF  [Suppl. Mat. (1)]

Large depth-of-focus via programmable space-time light sheets

Mbaye Diouf, Mitchell Harling, and Kimani C. Toussaint

Opt. Lett. 50(6), 1795-1798 (2025)  View: HTML | PDF  [Suppl. Mat. (1)]

Dual-wavelength generator for high-efficiency difference frequency generation of a terahertz wave

Wei Li, Feng Qi, Qiaoqiao Fu, Pengxiang Liu, Xu Guo, Weifan Li, Yelong Wang, and Zhaoyang Liu

Opt. Lett. 50(6), 1791-1794 (2025)  View: HTML | PDF

Multiple equilibrium states in pure-quartic soliton molecules

Zhixiang Deng, Rui Ma, Chunxiang Zhang, Zhenhong Wang, Dianyuan Fan, and Jun Liu

Opt. Lett. 50(6), 1857-1860 (2025)  View: HTML | PDF  [Suppl. Mat. (1)]

Long-wave infrared upconversion detection based on a ZnGeP₂ crystal

Pengxiang Liu, Xu Guo, Liyuan Guo, Feng Qi, Zuotao Lei, Qiaoqiao Fu, Wei Li, and Weifan Li

Opt. Lett. 50(6), 1861-1864 (2025)  View: HTML | PDF

Closed-loop polarization mode dispersion mitigation for fiber-optic time and frequency transfer

Thomas Fordell, Anders E. Wallin, Thomas Lindvall, and Kalle Hanhijärvi

Opt. Lett. 50(6), 1759-1762 (2025)  View: HTML | PDF  [Suppl. Mat. (1)]

Single-shot fast phase diversity phase retrieval using a Lukosz modal-based synthetic hologram

Ming Liu, Bing Dong, and Jinping He

Opt. Lett. 50(6), 1771-1774 (2025)  View: HTML | PDF

Cascaded Ω-shaped fiber-optic-based LSPR coated with hybridized nanolayers for refractive index and temperature simultaneous measurement

Mingyue Li, Binbin Lu, Kun Xu, Chuanxin Teng, Meiling He, Jianxiong Dai, Yixiang Duan, and Zewei Luo

Opt. Lett. 50(6), 1803-1806 (2025)  View: HTML | PDF  [Suppl. Mat. (1)]

Dye-doped polymer-coated optical fiber optofluidic laser for refractive index sensing

Hongrui Zhang, Lirong Ren, Bo Han, Like Li, and Ya-nan Zhang

Opt. Lett. 50(6), 1811-1814 (2025)  View: HTML | PDF

Phase noise characterization of a Cr:ZnS frequency comb using subspace tracking

Aleksandr Razumov, Sergey Vasilyev, Mike Mirov, Jasper Riebesehl, Holger R. Heebøll, Francesco Da Ros, and Darko Zibar

Opt. Lett. 50(6), 1873-1876 (2025)  View: HTML | PDF

Efficient 3D measurement method based on an array chromatic confocal technique

Ying Sun, Lingbao Kong, and Shiqing Hua

Opt. Lett. 50(6), 1921-1924 (2025)  View: HTML | PDF

Orthogonal Bragg gratings excited by single-mode reflection peaks in multi-mode no-core fibers inscribed with a femtosecond laser for vector bend sensing

Tianxin Duan, Xingyong Li, Rongsheng Liu, Ruohui Wang, Fengyi Chen, and Xueguang Qiao

Opt. Lett. 50(6), 1937-1940 (2025)  View: HTML | PDF

Fiber-based radio frequency phase synchronization scheme without a time benchmark

Zhicheng Jin, Jialiang Wang, Zhiyuan Xu, Lai Yu, and Youzhen Gui

Opt. Lett. 50(6), 1941-1944 (2025)  View: HTML | PDF

Unidirectional perfect absorber based on a one-dimensional topological photonic crystal heterostructure of Weyl semimetals

Shuai Deng, Huihui Zhong, Chengping Yin, and Kunyuan Xu

Opt. Lett. 50(6), 1897-1900 (2025)  View: HTML | PDF

Curved chirality distributions of optical vortices induced by photonic hooks

Yiyu Shi, Zhiwei Cui, Xinyi Cao, Oleg V. Minin, and Igor V. Minin

Opt. Lett. 50(6), 1755-1758 (2025)  View: HTML | PDF  [Suppl. Mat. (1)]

Off-axis angular velocity detection with incoherent light

Yiyi Hang, Xingyuan Lu, Xuechun Zhao, Xiaotan Lu, Hao Zhang, Yangjian Cai, and Chengliang Zhao

Opt. Lett. 50(6), 1831-1834 (2025)  View: HTML | PDF  [Suppl. Mat. (1)]

Laguerre–Gaussian modes become elegant after an azimuthal phase modulation

Vasilios Cocotos, Light Mkhumbuza, Kayn A. Forbes, Robert de Mello Koch, Angela Dudley, and Isaac Nape

Opt. Lett. 50(6), 1913-1916 (2025)  View: HTML | PDF

Tailoring directivity of two-photon spontaneous emission using plasmonic nanoantennas

Steve Smeets, Bjorn Maes, and Gilles Rosolen

Opt. Lett. 50(6), 1845-1848 (2025)  View: HTML | PDF

Nitric oxide molecular tagging velocimetry of a free-flight model in a reflected shock tunnel

E. R. Jans, K. P. Lynch, K. A. Daniel, and S. P. Kearney

Opt. Lett. 50(6), 1839-1842 (2025)  View: HTML | PDF

Optical interference control for selectively suppressing higher-order modes in all-dielectric tri-layered structures for reflective RGB colors

Dohyun Kim, Incheol Jung, Seongcheol Ju, Cheolhun Kang, Donggyu Lim, Minbaek Lee, Jong G. Ok, Hui Joon Park, and Kyu-Tae Lee

Opt. Lett. 50(6), 1779-1782 (2025)  View: HTML | PDF  [Suppl. Mat. (1)]

Wavelength-tunable and high-heralding-efficiency quantum photon source in a birefringent phase-matched lithium niobate waveguide

Qi-Tao Zhu, Xiao-Xu Fang, and He Lu

Opt. Lett. 50(6), 1853-1856 (2025)  View: HTML | PDF | Compressed PDF  [Suppl. Mat. (1)]

Sensitive detection of Si₃N₄ thin-film defects via second harmonic generation microscopy

J. Lukeš, V. Hájková, M. Hlubučková, V. Kanclíř, and K. Žídek

Opt. Lett. 50(6), 1885-1888 (2025)  View: HTML | PDF  [Suppl. Mat. (1)]

Resonance-enhanced electron transfer in laser-assisted proton–hydrogen collisions

Ruiduan Jing, Shan Gao, Xuan Luo, Fengzheng Zhu, Xiaohu Ji, Liguang Jiao, and Aihua Liu

Opt. Lett. 50(6), 1815-1818 (2025)  View: HTML | PDF  [Suppl. Mat. (1)]

Ultrafast movies of the photoinduced phonon and magnon propagation using dual frequency-comb technology

Daichi Nishikawa, Kazuki Maezawa, Riku Shibata, Shun Fujii, and Shinichi Watanabe

Opt. Lett. 50(6), 1929-1932 (2025)  View: HTML | PDF  [Suppl. Mat. (2)]

Lateral terahertz emission from shaped plasma excited by colliding laser pulses

Chenyin Dai, Yuxuan Chen, Xiangyu La, Zhen Tian, and Jianming Dai

Opt. Lett. 50(6), 1933-1936 (2025)  View: HTML | PDF

Terahertz diffractive imaging with saturated data inpainting: publisher’s note

Elizaveta G. Tsiplakova, Jean-Baptiste Perraud, Jean-Paul Guillet, Patrick Mounaix, and Nikolay V. Petrov

Opt. Lett. 50(6), 1844-1844 (2025)  View: HTML | PDF

Real-time frame-registered resonant fluorescence scanning laser ophthalmoscopy for quantifying static and dynamic cellular properties in the mouse retina: publisher’s note

Tianqi Song, Yao Wang, Yuxiang Zhou, Mingliang Zhou, Yanhong Ma, Donghan Ma, Jia Qu, Jinyi Zhang, and Pengfei Zhang

Opt. Lett. 50(6), 1843-1843 (2025)  View: HTML | PDF