Fiber Optics and Optical Communications
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Cladding pumped bismuth-doped fiber amplifiers operating in O-, E-, and S-telecom bands

Alexander Vakhrushev, Aleksandr Khegai, Sergey Alyshev, Konstantin Riumkin, Alexander Kharakhordin, Elena Firstova, Andrey Umnikov, Alexey Lobanov, Fedor Afanasiev, Aleksei Guryanov, Mikhail Melkumov, and Sergei Firstov

Opt. Lett. 48(6), 1339-1342 (2023)  View: HTML | PDF  [Suppl. Mat. (1)]

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Deep learning-enabled broadband full-Stokes polarimeter with a portable fiber optical spectrometer

Shilin Xian, Xiu Yang, Jie Zhou, Fuhua Gao, and Yidong Hou

Opt. Lett. 48(6), 1359-1362 (2023)  View: HTML | PDF  [Suppl. Mat. (1)]

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Beyond 300-Gbps/λ photonics-aided THz-over-fiber transmission employing MIMO single-carrier frequency-domain equalizer

Chen Wang, Jianjun Yu, Jiao Zhang, Min Zhu, Yuxuan Tan, Kaihui Wang, Junjie Ding, Wen Zhou, Tangyao Xie, Jianguo Yu, and Feng Zhao

Opt. Lett. 48(6), 1363-1366 (2023)  View: HTML | PDF

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Mitigating nonlinear penalty induced from a low-speed optical supervisory channel on coherent signals

Dawei Ge, Gang Qiao, Liang Mei, Mingqing Zuo, Jie Zhang, Yunbo Li, Dechao Zhang, Qi Yang, Juhao Li, Zhangyuan Chen, and Han Li

Opt. Lett. 48(6), 1367-1370 (2023)  View: HTML | PDF

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Convolutional-neural-network-based versus vision-transformer-based SNR estimation for visible light communication networks

Zhenquan Zhao, Faisal Nadeem Khan, Zeyad A. H. Qasem, Bohua Deng, Qian Li, Zhengyong Liu, and H. Y. Fu

Opt. Lett. 48(6), 1419-1422 (2023)  View: HTML | PDF

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Femtosecond laser line-by-line tilted Bragg grating inscription in single-mode step-index TOPAS/ZEONEX polymer optical fiber

Hang Qu, Zhen Chen, Shixin Gao, Rui Min, Getinet Woyessa, Ole Bang, Heng Wang, Christophe Caucheteur, and Xuehao Hu

Opt. Lett. 48(6), 1438-1441 (2023)  View: HTML | PDF

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Probabilistic shaping-based delta sigma modulation

Li Zhao, Sicong Xu, Mingxu Wang, Bohan Sang, Jianyu Long, Long Zhang, Wen Zhou, Kaihui Wang, and Jianjun Yu

Opt. Lett. 48(6), 1450-1453 (2023)  View: HTML | PDF

Editors' Pick
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Experimental demonstration of an 8-Gbit/s free-space secure optical communication link using all-optical chaos modulation

Yiqun Zhang, Mingfeng Xu, Mingbo Pu, Qiang Chen, Mengjie Zhou, Shuangcheng Chen, Kun Qiu, Ning Jiang, and Xiangang Luo

Opt. Lett. 48(6), 1470-1473 (2023)  View: HTML | PDF

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Accurate modeling and measurement of pressure-induced group velocity dispersion variations in anti-resonant hollow-core fibers

Yulin Sheng, Yizhi Sun, Shoufei Gao, Zhi Liang, Yifeng Hong, Yingying Wang, and Wei Ding

Opt. Lett. 48(6), 1506-1509 (2023)  View: HTML | PDF

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FPGA-based 4 × 29.4912 Gbit/s PS-PAM4 signal transmission with a low-complexity probabilistic shaping scheme

Kaihui Wang, Long Zhang, Yu Chen, Yikai Wang, Chen Wang, Yun Chen, and Jianjun Yu

Opt. Lett. 48(6), 1514-1517 (2023)  View: HTML | PDF


Fourier Optics, Image and Signal Processing
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Robust phase unwrapping via non-local regularization

Liheng Bian, Xin Wang, Daoyu Li, Qiuling Ren, and Dezhi Zheng

Opt. Lett. 48(6), 1399-1402 (2023)  View: HTML | PDF  [Suppl. Mat. (1)]

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Multi-target object scattering imaging with intensity correlation of structured illumination

Jingjing Zhang, Zhuhe Jing, Shupeng Zhao, Xiao Wang, Guangdong Ma, Yunlong Wang, Yongtao Zhao, Ruifeng Liu, and Fuli Li

Opt. Lett. 48(6), 1486-1489 (2023)  View: HTML | PDF


Holography
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Investigating learning-empowered hologram generation for holographic displays with ill-tuned hardware

Xinxing Xia, Furong Yang, Weisen Wang, Xinghua Shui, Frank Guan, Huadong Zheng, Yingjie Yu, and Yifan Peng

Opt. Lett. 48(6), 1478-1481 (2023)  View: HTML | PDF  [Suppl. Mat. (1)]


Imaging Systems
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Sub-Rayleigh dark-field imaging via speckle illumination

Ling-Yu Dou, De-Zhong Cao, Lu Gao, and Xin-Bing Song

Opt. Lett. 48(6), 1347-1350 (2023)  View: HTML | PDF

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Two-photon fluorescence imaging using a tunable spectral window based on fiber supercontinuum

Zhongyun Chen, Jiangfeng Huang, Xinyuan Huang, Xiujuan Gao, Yifu Zhou, and Ling Fu

Opt. Lett. 48(6), 1518-1521 (2023)  View: HTML | PDF  [Suppl. Mat. (1)]


Integrated Optics
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One-dimensional grating coupler on lithium-niobate-on-insulator for high-efficiency and polarization-independent coupling

Bin Chen, Ziliang Ruan, Kaixuan Chen, and Liu Liu

Opt. Lett. 48(6), 1434-1437 (2023)  View: HTML | PDF

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Investigation of the electro-optic effect in high-Q 4H-SiC microresonators

Ruixuan Wang, Jingwei Li, Lutong Cai, and Qing Li

Opt. Lett. 48(6), 1482-1485 (2023)  View: HTML | PDF


Lasers and Laser Optics
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High-power femtosecond regenerative amplifier based on Yb:CaYAlO4 dual-crystal configuration

Jiajun Song, Yujie Peng, Liya Shen, Jianyu Sun, Guangxin Luo, Xiaodong Xu, Jun Xu, and Yuxin Leng

Opt. Lett. 48(6), 1395-1398 (2023)  View: HTML | PDF

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Wideband chaos induced by the optical injection of a frequency comb

Yaya Doumbia, Tushar Malica, Delphine Wolfersberger, and Marc Sciamanna

Opt. Lett. 48(6), 1442-1445 (2023)  View: HTML | PDF

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Stable 671-nm external cavity diode laser with output power exceeding 150 mW suitable for laser cooling of lithium atoms

Sourav Dutta and Bubai Rahaman

Opt. Lett. 48(6), 1446-1449 (2023)  View: HTML | PDF

Editors' Pick
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Spectral broadening of 2-mJ femtosecond pulses in a compact air-filled convex–concave multi-pass cell

Alan Omar, Tim Vogel, Martin Hoffmann, and Clara J. Saraceno

open access Opt. Lett. 48(6), 1458-1461 (2023)  View: HTML | PDF

Editors' Pick
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Non-linear dynamics of multimode semiconductor lasers: dispersion-based phase instability and route to single-frequency operation

Baptiste Chomet, Nathan Vigne, Grégoire Beaudoin, Konstantinos Pantzas, Stéphane Blin, Isabelle Sagnes, Stéphane Denet, and Arnaud Garnache

open access Opt. Lett. 48(6), 1462-1465 (2023)  View: HTML | PDF  [Suppl. Mat. (1)]

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Deep-red double-clad fiber laser at 717 nm

Esrom Kifle, Pavel Loiko, Thibaud Berthelot, Thiphaine Rault, Laurine Bodin, Florence Pau, Gilles Recoque, Thierry Georges, and Patrice Camy

Opt. Lett. 48(6), 1494-1497 (2023)  View: HTML | PDF

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Selectable two-wavelength Nd:YVO4 Raman laser at 671 and 714 nm

Cheng-Li Hsieh, Hsin-Jia Huang, Chun-Ling Chen, Hsing-Chih Liang, and Yung-Fu Chen

Opt. Lett. 48(6), 1510-1513 (2023)  View: HTML | PDF


Materials and Metamaterials
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Terahertz inner and outer edge modes in a tetramer of strongly coupled spoof localized surface plasmons

Zhenyu Zhao, Mingjie Du, Chunping Jiang, Hua Qin, Rajour Tanyi Ako, and Sharath Sriram

Opt. Lett. 48(6), 1343-1346 (2023)  View: HTML | PDF

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Dispersion engineering of spoof plasmonic metamaterials via interdigital capacitance structures

Dawei Zhang, Xin Liu, Yaxiu Sun, Kuang Zhang, Qun Wu, Yingsong Li, Tao Jiang, and Shah Nawaz Burokur

Opt. Lett. 48(6), 1383-1386 (2023)  View: HTML | PDF

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Optimization of multispectral chalcogenide glass for large-size fabrication

Liu Yang, Hongjun Liu, Shixun Dai, and Changgui Lin

Opt. Lett. 48(6), 1431-1433 (2023)  View: HTML | PDF

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Graphene perfect absorber based on degenerate critical coupling of toroidal mode

Rongyang Xu, Junichi Fujikata, and Junichi Takahara

Opt. Lett. 48(6), 1490-1493 (2023)  View: HTML | PDF  [Suppl. Mat. (1)]


Medical Optics and Biotechnology
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Multi-mode fiber-based speckle contrast optical spectroscopy: analysis of speckle statistics

Chen-Hao P. Lin, Inema Orukari, Christopher Tracy, Lisa Kobayashi Frisk, Manish Verma, Sumana Chetia, Turgut Durduran, Jason W. Trobaugh, and Joseph P. Culver

Opt. Lett. 48(6), 1427-1430 (2023)  View: HTML | PDF


Nonlinear Optics
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High-contrast optical bistability using a subwavelength epsilon-near-zero material

Rui Wang, Futai Hu, Yuan Meng, Mali Gong, and Qiang Liu

Opt. Lett. 48(6), 1371-1374 (2023)  View: HTML | PDF

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Experimental observation of the spectral self-imaging effect with a four-wave mixing time lens

He Huang, Yaoshuai Li, Chengzhi Qin, Wenwan Li, Lange Zhao, Chen Liu, Bing Wang, Chi Zhang, and Peixiang Lu

Opt. Lett. 48(6), 1522-1525 (2023)  View: HTML | PDF


Optical Devices
Editors' Pick
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Fresnel zone plate sculptured out of diamond by femtosecond laser for harsh environments

Peichao Wu, Xiaowen Cao, Wubo Chu, Zhihao Chen, Hongbing Yuan, Rujia Wang, Songbai Yao, Saulius Juodkazis, and Wenwu Zhang

Opt. Lett. 48(6), 1379-1382 (2023)  View: HTML | PDF

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High resolution compact spectrometer system based on scattering and spectral reconstruction

Xin Wang, Qi Sun, Yushi Chu, Gilberto Brambilla, Pengfei Wang, and Martynas Beresna

Opt. Lett. 48(6), 1466-1469 (2023)  View: HTML | PDF

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Physics-model-based neural networks for inverse design of binary phase planar diffractive lenses

Jianmin He, Zhenghao Guo, Yongying Zhang, Yiyang Lu, Feng Wen, Haixia Da, Guofu Zhou, Dong Yuan, and Huapeng Ye

Opt. Lett. 48(6), 1474-1477 (2023)  View: HTML | PDF  [Suppl. Mat. (1)]


Optical Sensors, Measurements, and Metrology
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Compensation of scale factor nonlinear error introduced by harmonic distortion for open-loop fiber optic gyroscopes

Lanxin Zhu, Yuwen Cao, Huimin Huang, Yanjun Chen, Wenbo Wang, Xiangdong Ma, and Zhengbin Li

Opt. Lett. 48(6), 1351-1354 (2023)  View: HTML | PDF  [Suppl. Mat. (1)]

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Optical fiber inclinometer with dynamically controllable excitation length of quantum dots liquid-core waveguide based on a photo-controlled bubble

Weijiang Xu, Yi Liu, Jinke Bai, Yan Li, and Shiliang Qu

Opt. Lett. 48(6), 1403-1406 (2023)  View: HTML | PDF  [Suppl. Mat. (3)]

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Large dynamic strain measurement via slope-assisted Brillouin optical time domain reflectometry using a frequency equalizer

Ge Liu, Dongjiang Zou, Ruoxue Wei, Tian Li, Guiguang Chen, and Junhui Hu

Opt. Lett. 48(6), 1407-1410 (2023)  View: HTML | PDF

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High-sensitivity vector bend sensor based on a fiber directional coupler inscribed by a femtosecond laser

Ke Tian, Mingyuan Zhang, Chuanzhen Zhao, Huibin Li, Shilong Li, Yuxuan Jiang, Elfed Lewis, Gerald Farrell, and Pengfei Wang

Opt. Lett. 48(6), 1498-1501 (2023)  View: HTML | PDF


Optoelectronics
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Frequency-tunable microwave generation with parity–time symmetry period-one laser dynamics

Xiaoyue Yu, Fangzheng Zhang, Boyang Wu, Huihui Dai, Xinyi Li, and Shilong Pan

Opt. Lett. 48(6), 1355-1358 (2023)  View: HTML | PDF

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Stochastic photonic spiking neuron for Bayesian inference with unsupervised learning

Bowen Ma, Junfeng Zhang, Xing Li, and Weiwen Zou

Opt. Lett. 48(6), 1411-1414 (2023)  View: HTML | PDF


Photonic Crystals and Devices
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Manipulation of the photoluminescence of lead halide perovskite quantum dots with mechanically reconfigurable 3D photonic crystals

Xijun Wu, Hao Luo, H. L. Liu, Renqi Ma, and Baoran Xu

Opt. Lett. 48(6), 1415-1418 (2023)  View: HTML | PDF  [Suppl. Mat. (1)]


Physical Optics
Editors' Pick
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On-chip size, low-noise fringe pattern projector offering highly accurate 3D measurement

Kazuyoshi Hirose, Koyo Watanabe, Hiroki Kamei, Takahiro Sugiyama, Yu Takiguchi, and Yoshitaka Kurosaka

open access Opt. Lett. 48(6), 1387-1390 (2023)  View: HTML | PDF  [Suppl. Mat. (1)]


Plasmonics and Optics at Surfaces
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Sign flips, crossovers, and spatial inversions in surface plasmon resonance across a chiral–metal interface

Hyoung-In Lee and Christopher Gaul

Opt. Lett. 48(6), 1391-1394 (2023)  View: HTML | PDF  [Suppl. Mat. (1)]

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Distance-controlled surface-enhanced Raman spectroscopy of nanoparticles

Duc Le, Martin Kögler, Tian-long Guo, Matthieu Roussey, and Jussi Hiltunen

open access Opt. Lett. 48(6), 1454-1457 (2023)  View: HTML | PDF  [Suppl. Mat. (1)]

Editors' Pick
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Mid-infrared silicon metasurfaces for near-field enhancement of molecular fingerprints

Minglu Li, Ping Bai, Chang Yan, and Siying Peng

Opt. Lett. 48(6), 1502-1505 (2023)  View: HTML | PDF  [Suppl. Mat. (1)]


Quantum Optics and Quantum Communication
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Experimental measurement of quadrature squeezing in quadripartite entanglement

Huanrong He, Yanbo Lou, Xiaoyin Xu, Shengshuai Liu, and Jietai Jing

Opt. Lett. 48(6), 1375-1378 (2023)  View: HTML | PDF  [Suppl. Mat. (1)]

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Fiber-integrated silicon carbide silicon-vacancy-based magnetometer

Wei-Ke Quan, Lin Liu, Qin-Yue Luo, Xiao-Di Liu, and Jun-Feng Wang

Opt. Lett. 48(6), 1423-1426 (2023)  View: HTML | PDF