Reinforcement learning-driven spectral broadening in NPR laser: 114.3-nm bandwidth generation with sub-minute optimization

Li Chen, Wen Zhong, Zhehai Zhou, Guangwei Chen, Pengyu Yan, Hetian Li, Ying Qin, Yue Zhao, Shiyu Yang, and Tengfei Wu

Opt. Lett. 50(15), 4642-4645 (2025)  View: HTML | PDF

Differential mode group delay measurement for few-mode fibers based on cepstrum analysis

Junpeng Liang, Jianwei Tang, Yingying Zhou, Jinlong Wei, Zhongliang Sun, Linsheng Fan, Zhaopeng Xu, and Weisheng Hu

Opt. Lett. 50(15), 4766-4769 (2025)  View: HTML | PDF

Time-variant spatial masking for real-time single-photon imaging against strong ambient light

Kai Qiao, Xiaorui Tian, Xing Gao, Mengbo Ji, Meng Tang, Siqi Zhang, and Chenfei Jin

Opt. Lett. 50(15), 4650-4653 (2025)  View: HTML | PDF | Compressed PDF

Nonlinearity-induced band gap transmission in dispersive and flat-band photonic lattices

Avinash Tetarwal, Shailja Sharma, and Sebabrata Mukherjee

Opt. Lett. 50(15), 4626-4629 (2025)  View: HTML | PDF  [Suppl. Mat. (1)]

Modulation code optimization for holographic data storage

Hongjie Liu, Shujun Zheng, Ruying Xiong, Yongkun Lin, Xu Zheng, Lin Peng, Xueyan Chen, Xianmiao Xu, Dakui Lin, Xiao Lin, and Xiaodi Tan

Opt. Lett. 50(15), 4834-4837 (2025)  View: HTML | PDF

Development of a bioluminescence tomography system using phase measurement profilometry surface reconstruction

Tao Guo, Jiahao Chen, Ning Zhao, Xiaogang Yuan, Yunwen Huang, Shanshan Zhang, and Yidong Yang

Opt. Lett. 50(15), 4622-4625 (2025)  View: HTML | PDF  [Suppl. Mat. (1)]

Dispersion-engineered low-crosstalk metasurface for mid-infrared snapshot multi-spectral imaging

Wenli Cai, Lingfang Wang, Runhan Wang, Xinyi Zhao, Xiangxiao Ying, Fangfang Wang, Jian Zhou, Yunmeng Liu, Yi Zhou, and Jianxin Chen

Opt. Lett. 50(15), 4686-4689 (2025)  View: HTML | PDF | Compressed PDF  [Suppl. Mat. (1)]

Enhancing in vivo morphological assessment of skin conditions using a four-state polarized multispectral imaging system

Thomas Zhang, Haishan Zeng, Tashmeeta Ahad, Harvey Lui, Tim K. Lee, Zhenguo Wu, Jianhua Zhao, and Sunil Kalia

Opt. Lett. 50(15), 4774-4777 (2025)  View: HTML | PDF

Demonstration of lithium niobate integration on a 200-mm silicon photonics wafer using transfer printing

Margot Niels, Ewoud Vissers, Tom Vanackere, Arno Moerman, Xin Guo, Peter Geerinck, Emadreza Soltanian, Jing Zhang, Sofie Janssen, Peter Verheyen, Neha Singh, Dieter Bode, Martin Davi, Filippo Ferraro, Philippe Absil, Sadhishkumar Balakrishnan, Joris Van Campenhout, Sebastian Hänsch, Hanh Mai, Nishant Singh, Günther Roelkens, Sarah Uvin, Maximilien Billet, and Bart Kuyken

Opt. Lett. 50(15), 4678-4681 (2025)  View: HTML | PDF | Compressed PDF

Tuning the strength of exceptional points and their transition to diabolic points

Qi Zhong, Seth Nelson, Şahin K. Özdemir, and Ramy El-Ganainy

Opt. Lett. 50(15), 4702-4705 (2025)  View: HTML | PDF

Narrow linewidth on-chip III-V/TFLT laser

Shixin Xue, Mingxiao Li, Yueteng Zhang, Qili Hu, Zhengdong Gao, Sanket Bohora, Jeremy Staffa, Raymond Lopez-Rios, John E. Bowers, and Qiang Lin

Opt. Lett. 50(15), 4754-4757 (2025)  View: HTML | PDF

High-power on-chip hyperparametric oscillator

Yi Sun, Fuchuan Lei, Yan Gao, and Victor Torres-Company

Opt. Lett. 50(15), 4798-4801 (2025)  View: HTML | PDF

Compact 90° optical hybrid on a silicon-on-insulator platform with a wide bandwidth of 130 nm

Gaolei Hu, Yue Qin, Hongnan Xu, Shuqi Xiao, and Hon Ki Tsang

Opt. Lett. 50(15), 4810-4813 (2025)  View: HTML | PDF

Reconfigurable integrated photonic chips as dual-purpose neuromorphic accelerators and physical unclonable functions

George Sarantoglou, Francesco Da Ros, Kostas Sozos, Adonis Bogris, and Charis Mesaritakis

Opt. Lett. 50(15), 4842-4845 (2025)  View: HTML | PDF

Mode-locking via delayed orthogonal-polarization reinjection in semiconductor VCSELs

Tao Wang, Yixing Ma, Zhibo Li, Juncheng Huang, Yiheng Li, Zhicong Tu, Yahui Zhang, Gang Xu, Stéphane Barland, Shuiying Xiang, and Yue Hao

Opt. Lett. 50(15), 4614-4617 (2025)  View: HTML | PDF

Near-diffraction-limited picosecond laser based on aberration-compensated end-pumped Nd:YAG rod amplifiers with more than 100 MW peak power and 300 W average power

Chuanguo Xie, Yifu Zhou, Xiaoyan Qiu, Xiaofeng He, Ziyue Chen, Jinbo Wu, Junyang Dong, Liying Chen, Bin Liu, Jian Chen, Bingfeng Ju, and Chong Liu

Opt. Lett. 50(15), 4658-4661 (2025)  View: HTML | PDF

Patterning of organic single-crystal microdisk arrays for whispering-gallery-mode lasing

Hui Zhang, Shuwen Zheng, Mengdan Qian, and Yufang Liu

Opt. Lett. 50(15), 4690-4693 (2025)  View: HTML | PDF  [Suppl. Mat. (1)]

Comb-mode-resolvable narrow-bandwidth polarization-maintaining mode-locked fiber laser with large tunability

Maolin Dai, Bowen Liu, Yuanjun Zhu, Yifan Ma, Sze Yun Set, and Shinji Yamashita

Opt. Lett. 50(15), 4718-4721 (2025)  View: HTML | PDF  [Suppl. Mat. (1)]

Influence of mode polarization on the emission dynamics of zinc-oxide nanowire lasers coupled to planar aluminum substrates

Daniel Repp, Devapriyo Mithun, Francesco Vitale, Malte Kasten, Vipin Krishna, Thi-Hien Do, Isabelle Staude, Sheng-Di Lin, Jer-Shing Huang, Giancarlo Soavi, Carsten Ronning, and Thomas Pertsch

Opt. Lett. 50(15), 4738-4741 (2025)  View: HTML | PDF  [Suppl. Mat. (1)]

Ultrabroadband 12-fs mode-locked Yb:CALGO laser oscillator

Yiran Wang, Xiancui Su, Thomas Willemsen, Bingyuan Zhang, Jingliang He, and Baitao Zhang

Opt. Lett. 50(15), 4830-4833 (2025)  View: HTML | PDF

Laser-induced damage-growth threshold at 351 nm in the nanosecond regime in dielectric coatings employing different high-index materials

Marek Stehlik, Alexei A. Kozlov, Kyle R. P. Kafka, Brittany N. Hoffman, Sara MacNally, Amy L. Rigatti, and Stavros G. Demos

Opt. Lett. 50(15), 4838-4841 (2025)  View: HTML | PDF

High-power single transverse mode random fiber laser based on the coherent feedback

Kang Wang, Rui Ma, Dian Yuan Fan, and Jun Liu

Opt. Lett. 50(15), 4846-4849 (2025)  View: HTML | PDF

Low-threshold single-mode laser operation from a 35-μm-diameter Er:YAG microdisk laser

Zhaocong Wang, Qingqiang Cui, Jinhua Zhao, Yang Tan, and Feng Chen

Opt. Lett. 50(15), 4858-4861 (2025)  View: HTML | PDF

Directional dragging of silver nanowires in liquid crystals via optical gradient forces

Pengyuan Zhang, Tangwu Li, Zhenyu Xiong, Maoquan Tang, Ming Xiao, Meng Chen, Jiawei Chen, Jingxin Sang, Jiatong Sun, and Jianhua Shang

Opt. Lett. 50(15), 4630-4633 (2025)  View: HTML | PDF

Transmissive-reflective broadband terahertz multifunctional wave plate based on VO₂-metal hybrid Huygens’ metasurface

Tingting Lv, Enhui Cui, Yetong Wang, Dexin Xia, Jian Han, Qiang Liu, and Jinhui Shi

Opt. Lett. 50(15), 4770-4773 (2025)  View: HTML | PDF  [Suppl. Mat. (1)]

Chiral quasi-bound states in the continuum based on hybrid metasurfaces for enantiomer analysis

Houjiao Zhang, Xuanyi Liu, Shuang Qiu, Haoyang Li, and Zhang-Kai Zhou

Opt. Lett. 50(15), 4814-4817 (2025)  View: HTML | PDF  [Suppl. Mat. (1)]

Enhanced score-based priors-boosted generative model for resolution breakthrough in photoacoustic tomography

Jiabin Lin, Zilong Li, Haoran Fang, Guolin Liu, Siyi Cao, Yubin Cao, Linxin Li, JiaHong Li, Yiguang Wang, Haipeng Wei, Shuhao Ma, Zhiyuan Zheng, Qiegen Liu, and Xianlin Song

Opt. Lett. 50(15), 4750-4753 (2025)  View: HTML | PDF  [Suppl. Mat. (1)]

Advancing photoacoustic microscopy via single-source triple-beam interference excitation

Xiangru Liu, Qi Cui, Huan Han, Jiaze Wang, Zhousheng Shen, Shutian Liu, Zhengjun Liu, Lingji Xu, Pavel Subochev, Chengbo Liu, and Wei Liu

Opt. Lett. 50(15), 4694-4697 (2025)  View: HTML | PDF  [Suppl. Mat. (1)]

Bendable graded index lens-based laser-scanning optical-resolution photoacoustic microendoscopy

Guigen Liu, Shang Gao, David D. Luo, Maksim Roman, Ellen Maloney, Sharath Bhagavatula, Sebastian W. Ahn, Vincenzo Tarallo, Sajanlal R. Panikkanvalappil, Haichong K. Zhang, and Oliver Jonas

Opt. Lett. 50(15), 4790-4793 (2025)  View: HTML | PDF

Enhanced high-order harmonic generation for tunable comb-like THz spectra in PPLN

Umit Demirbas, Alexandre Trisorio, and Carlo Vicario

Opt. Lett. 50(15), 4634-4637 (2025)  View: HTML | PDF

Linear light localization in two-dimensional fractional diffraction quasicrystals

Zeyun Shi, Lu Qin, Pengfei Li, Yuan Zhou, Xingdong Zhao, and Guanghui Wang

Opt. Lett. 50(15), 4654-4657 (2025)  View: HTML | PDF

Constructing spiraling soliton arrays in a nonlinear thermal medium

Gengyu Chen, Jiandong Wang, Yidong Liu, and Yuanjie Yang

Opt. Lett. 50(15), 4758-4761 (2025)  View: HTML | PDF

Vibrational nonlinear response of complex molecules: theory and measurements in the THz range

Aleksandra Nabilkova, Mikhail Guselnikov, Azat Ismagilov, Maksim Melnik, Sergey Kozlov, and Anton Tcypkin

Opt. Lett. 50(15), 4778-4781 (2025)  View: HTML | PDF

Nano-router metasurface inverse design by multi-body shape optimization

Licheng Wang, Xianjin Liu, Yuqi Peng, and Jun-Jun Xiao

Opt. Lett. 50(15), 4786-4789 (2025)  View: HTML | PDF  [Suppl. Mat. (1)]

Multi-spectral GeSe/PbTe phototransistor for wearable optical medicine

Fengjiao Yu, Hongsheng Xue, Yilin Dong, Hui Xv, Xiaoli Mao, and Xiang Liu

Opt. Lett. 50(15), 4802-4805 (2025)  View: HTML | PDF

Adaptive liquid crystal iris enabled by self-assembled polymer gravels

Che Ju Hsu, Sonam Sharma, Rajiv Manohar, and Chi Yen Huang

Opt. Lett. 50(15), 4850-4853 (2025)  View: HTML | PDF  [Suppl. Mat. (1)]

High-speed 1-D Raman spectroscopy for simultaneous temperature and species measurements in a transient highly underexpanded jet

Bin Wu, Hao Wu, Moez Ben Houidi, Emre Cenker, Abdullah S. Ramadan, Amer A. Amer, William L. Roberts, and Gaetano Magnotti

Opt. Lett. 50(15), 4618-4621 (2025)  View: HTML | PDF  [Suppl. Mat. (1)]

FSR-free multimode Fabry–Perot cavity sensor enhanced by a subwavelength grating chamber

Zhituo Chen, Daoxin Dai, and Yaocheng Shi

Opt. Lett. 50(15), 4682-4685 (2025)  View: HTML | PDF

Method for measuring the wavefront of a large-stroke VCM based on a simple optical system and an ordinary SHWFS

Mingxing Li, Guocong Wang, Ke Zhou, Yue Yu, Chaoliang Li, and Weijun Chang

Opt. Lett. 50(15), 4706-4709 (2025)  View: HTML | PDF

Inspection of micro-LED dies by using liquid crystal films

Shuo-Hsien Chen, Yan-Rung Lin, and Shie-Chang Jeng

Opt. Lett. 50(15), 4726-4729 (2025)  View: HTML | PDF

Calibration of interferometer instrument transfer function using reconfigurable sinusoidal phase via spatial light modulator

Antong Huang, Shuai Xue, and Yunfeng Mao

Opt. Lett. 50(15), 4806-4809 (2025)  View: HTML | PDF

Thin film lithium niobate photonic digital-to-analog converter with frequency-interleaving structure

Yuanchao Jin, Jinghan Yu, Mian Wang, Shangyuan Li, Xiaoxiao Xue, Xiaoping Zheng, and Bingkun Zhou

Opt. Lett. 50(15), 4730-4733 (2025)  View: HTML | PDF

RETRACTED: Unconventional optical response of time-domain Fibonacci quasicrystals

Ahmer Naweed and Muhammad Shaban Akhtar

Opt. Lett. 50(15), 4746-4749 (2025)  View: HTML | PDF  [Suppl. Mat. (1)]

Programmable 2D photonic quasicrystals with real-time reconfigurability

Peisheng Sun, Xuesong Hu, Ruonan Li, Jingjing Xue, Haitao Zhou, Linhua Ye, Yun Zhang, Ligang Wang, and Junxiang Zhang

Opt. Lett. 50(15), 4638-4641 (2025)  View: HTML | PDF | Compressed PDF

Extended depth-of-focus femtosecond laser pulses for flexible micromachining

Aditya Narayana Jena, Tina M. Hayward, Anita Kumari, Apratim Majumder, Jayant S. Devara, Rajesh Menon, Kamal P. Singh, and Vishwa Pal

Opt. Lett. 50(15), 4670-4673 (2025)  View: HTML | PDF  [Suppl. Mat. (1)]

Long-distance axial spectral encoding using space-time wave packets

Layton A. Hall, Murat Yessenov, Miguel A. Romer, and Ayman F. Abouraddy

Opt. Lett. 50(15), 4698-4701 (2025)  View: HTML | PDF

Adaptive central moment descent for broadband scattered light manipulation

Jiaming Liang, Daixuan Wu, Yuecheng Shen, Jiawei Luo, Zhengyang Wang, Zhiling Zhang, Dalong Qi, Yunhua Yao, Lianzhong Deng, Zhenrong Sun, Zhi-Chao Luo, and Shian Zhang

Opt. Lett. 50(15), 4714-4717 (2025)  View: HTML | PDF  [Suppl. Mat. (1)]

Phase-sensitive dynamic micro-optical coherence tomography for high-speed intracellular motion imaging

Hinnerk Schulz-Hildebrandt, Joseph A. Gardecki, Tiffany Miller, Maria Avila-Wallace, Erica Villareyna-Lopez, and Guillermo Tearney

Opt. Lett. 50(15), 4734-4737 (2025)  View: HTML | PDF | Compressed PDF

Discontinuous and sidelobe-free zeroth-order Bessel correlation beams with on-demand tailored intensity profiles along arbitrary trajectories

Yiyu Zhao, Wenxiang Yan, Zheng Yuan, Yuan Gao, Zhi-Cheng Ren, Xi-Lin Wang, Jianping Ding, and Hui-Tian Wang

Opt. Lett. 50(15), 4742-4745 (2025)  View: HTML | PDF  [Suppl. Mat. (1)]

Orbitalization ellipse via singular value decomposition

Sushil Pokharel and Olga Korotkova

Opt. Lett. 50(15), 4826-4829 (2025)  View: HTML | PDF  [Suppl. Mat. (1)]

Resistivity-controlled switching between photoemission and photothermoelectric effects in plasmonic nanojunctions

Jinxing Cao, Can Wang, Jiawang Guo, Qingbin Zhang, and Peixiang Lu

Opt. Lett. 50(15), 4710-4713 (2025)  View: HTML | PDF  [Suppl. Mat. (1)]

Entanglement-enhanced phase sensitivity at low frequencies in a truncated SU(1,1) interferometer

Jin Yan, Shaohui Hong, Wenjing Zhao, Zhou Feng, Lifan Chen, Shiyue Xu, Jiale Li, Wenqiang Qin, Yanpeng Zhang, and Yin Cai

Opt. Lett. 50(15), 4662-4665 (2025)  View: HTML | PDF

Generating long-term stable squeezed states via multiple pump noise suppression

Li Gao, Shaoping Shi, Bo Lu, Li-Ang Zheng, Long Tian, Wei Li, Yajun Wang, and Yaohui Zheng

Opt. Lett. 50(15), 4674-4677 (2025)  View: HTML | PDF  [Suppl. Mat. (1)]

Certifying spatial entanglement between non-degenerate photon pairs with a camera

Emma Brambila, Raphael Guitter, René Sondenheimer, Markus Gräfe, and Hugo Defienne

Opt. Lett. 50(15), 4854-4857 (2025)  View: HTML | PDF  [Suppl. Mat. (1)]

Tapered acoustic resonator-based quartz-enhanced photoacoustic spectroscopy

Chenzhao Sang, Chu Zhang, Runqiu Wang, Shunda Qiao, Ying He, and Yufei Ma

Opt. Lett. 50(15), 4646-4649 (2025)  View: HTML | PDF

Chirality-independent plasmon damping at nanoparticle interfaces

Zengxian Tang, Xiaobo Li, Shihao Lin, Duo Sun, Zhaoyang Chu, Wence Ding, Hao Xie, and Weixiang Ye

Opt. Lett. 50(15), 4762-4765 (2025)  View: HTML | PDF  [Suppl. Mat. (1)]

High-order autocorrelation by a cascade time-lens

Sara Meir, Hamootal Duadi, Or Refaely, Yuval Tamir, and Moti Fridman

Opt. Lett. 50(15), 4782-4785 (2025)  View: HTML | PDF  [Suppl. Mat. (1)]

Widely wavelength-tunable femtosecond soliton in the C + L band using an intracavity birefringence-induced filtering effect

Chuangkai Li, Feng Ye, Xuanyi Liu, H. Y. Fu, and Qian Li

Opt. Lett. 50(15), 4794-4797 (2025)  View: HTML | PDF  [Suppl. Mat. (1)]

Correction of broadband terahertz electro-optic sampling with GaSe crystals

Kotaro Ogawa, Natsuki Kanda, Yuta Murotani, Shunsuke Tanaka, Jun Yoshinobu, and Ryusuke Matsunaga

Opt. Lett. 50(15), 4822-4825 (2025)  View: HTML | PDF  [Suppl. Mat. (1)]