Frontiers in Physics | Optics and Photonics

Original Research

Published on 21 Jul 2025

High-frequency gain enhancement of a broadband metasurface antenna with parasitic patches using characteristic mode analysis

in Optics and Photonics

Hailong Liu
Zi Yang
Yan Gao
Lijuan Dong
Yaru Guo
Xin Xu
Tianhua Meng
Weidong Hu
Caixia Feng

Frontiers in Physics

doi 10.3389/fphy.2025.1638385

1,264 views

Brief Research Report

Published on 15 Jul 2025

Optimization of off-centered lens parameters in high-power stimulated Brillouin-scattering phase-conjugation mirror

in Optics and Photonics

Hongli Wang
Chaoshuai Liu
Tianrun Jiang
Kaiyang Li

Frontiers in Physics

doi 10.3389/fphy.2025.1590608

1,284 views

Original Research

Published on 08 Jul 2025

Infrared and visible image fusion based on multi-scale transform and sparse low-rank representation

in Optics and Photonics

Yangkun Zou
Jiande Wu
Bo Ye
Honggui Cao
Jiqi Feng
Zijie Wan
Shaoda Yin

Frontiers in Physics

doi 10.3389/fphy.2025.1514476

1,441 views

Original Research

Published on 08 Jul 2025

Passively Q-switched 2.79-μm Er, Cr: YSGG laser based on pure water saturable absorber

in Optics and Photonics

Yinze Wang
Lei Huang
Haolin Kong
Yueyun Zhang
Tingqing Cheng
Li Wang
Haihe Jiang

Frontiers in Physics

doi 10.3389/fphy.2025.1618958

1,226 views

Original Research

Published on 08 Jul 2025

Phase demodulation of hybrid 3×3 coupler and Sagnac interferometer for φ-OTDR

in Optics and Photonics

Binyuan Yang
Tingyu Wang
Jianzhong Zhang
Zhe Ma
Xiang He
Lipu Liu
Yixuan Wang
Mingjiang Zhang

Frontiers in Physics

doi 10.3389/fphy.2025.1609493

1,539 views

Original Research

Published on 02 Jul 2025

Impact of mode instability on polarization extinction ratio in backward pumped fiber amplifiers

in Optics and Photonics

Qiang Shu
Chun Zhang
Fang Li
Qiuhui Chu
Chao Guo
Fengyun Li
Haoyu Zhang
Rumao Tao
Honghuan Lin
Jianjun Wang

Frontiers in Physics

doi 10.3389/fphy.2025.1612074

1,294 views

Review

Published on 23 Jun 2025

Gas detection technology for thermal runaway of lithium-ion batteries

in Optics and Photonics

Yihua Qian
Yaohong Zhao
Zhi Li
Qing Wang
Yifeng Zhao

Frontiers in Physics

doi 10.3389/fphy.2025.1615872

3,850 views
1 citation

Original Research

Published on 19 Jun 2025

High-accuracy combustible gas cloud imaging system using YOLO-plume classification network

in Optics and Photonics

Jiani Zhou
Yang Liu
Yong Zhang
Haotian Hu
Zenan Leng
Feng Sun
Chen Chen

Frontiers in Physics

doi 10.3389/fphy.2025.1603047

2,120 views
1 citation

Original Research

Published on 19 Jun 2025

Megapixel X-ray ghost imaging with a prior-recorded reference

in Optics and Photonics

Jie Tang
Haipeng Zhang
Changzhe Zhao
Nixi Zhao
Jianwen Wu
Han Guo
Tiqiao Xiao

Frontiers in Physics

doi 10.3389/fphy.2025.1615591

1,369 views
1 citation

Original Research

Published on 18 Jun 2025

Fermentation endpoint detection of Soybean using specially designed Pd-coated FBG stress sensor

in Optics and Photonics

Jawad Mirza
Ahmad Atieh
Benish Kanwal
Firdos Kanwal
Imran Aziz
Ahmad Almogren

Frontiers in Physics

doi 10.3389/fphy.2025.1595785

1,022 views
1 citation

Mini Review

Published on 12 Jun 2025

Application status of holmium and thulium fiber laser for urological calculi

in Optics and Photonics

Shu-Ping Hou
Yu-Guo Wang

Frontiers in Physics

doi 10.3389/fphy.2025.1590456

2,527 views

Original Research

Published on 02 Jun 2025

The effect of pump laser pulse chirp on the properties of generated nonlinear Thomson scattering radiation

in Optics and Photonics

Zi Wang
Junyuan Xu
Jiachen Li
Qianmin Zheng
Youwei Tian

Frontiers in Physics

doi 10.3389/fphy.2025.1603637

1,378 views

Original Research

Published on 30 May 2025

Integrating MIMO and RoF technologies for low-latency and high-capacity 5G networks

in Optics and Photonics

Rahat Ullah
Farman Ali
Ammar Armghan
Haleem Afsar
Ali Alshamrani
Mardeni Roslee

Frontiers in Physics

doi 10.3389/fphy.2025.1568555

2,128 views
1 citation

Original Research

Published on 30 May 2025

Novel time-varying metasurface design for enhanced DOA estimation based on sparse signal recovery

in Optics and Photonics

Kholod D. Alsufiani
Naglaa F. Soliman
Jorge Herrera
José Escorcia-Gutierrez
Ibrahim A. Hameed

Frontiers in Physics

doi 10.3389/fphy.2025.1602304

1,579 views

Original Research

Published on 29 May 2025

Peak amplitude dependence of radiation properties of nonlinear Thomson scattering under an applied magnetic field

in Optics and Photonics

Xiaotian Gong
Feiyang Gu
Youwei Tian

Frontiers in Physics

doi 10.3389/fphy.2025.1586221

1,325 views

Original Research

Published on 16 May 2025

Frequency shift properties of a calcium beam optical clock

in Optics and Photonics

Yu Chen
Yabei Su
Jiyang Ma
Jing Peng
Ming Ma
Xiaobo Xue
Shengkang Zhang

Frontiers in Physics

doi 10.3389/fphy.2025.1597737

1,690 views

Mini Review

Published on 13 May 2025

Research progress on the application of high-power laser cutting, welding, and drilling

in Optics and Photonics

Yu-Guo Wang
Shu-Ping Hou
Qing-Chen Lv

Frontiers in Physics

doi 10.3389/fphy.2025.1595077

3,540 views
1 citation

Brief Research Report

Published on 09 May 2025

Mode-hop-free wavelength-tunable semiconductor lasers covering the S+C+L band via external-cavity optical feedback

in Optics and Photonics

Liwen Sheng
Zhiming Liu
Jianjun Wang
Lei Liu
Bingqi Yin
Zhihui Zhang
Shuai Zhou
Lin Huang

Frontiers in Physics

doi 10.3389/fphy.2025.1586316

1,960 views
2 citations

Original Research

Published on 09 May 2025

Inverse freeform design in non-imaging optics: Hamilton’s theory of geometrical optics, optimal transport, and least-squares solvers

in Optics and Photonics

J. H. M. ten Thije Boonkkamp
K. Mitra
M. J. H. Anthonissen
L. Kusch
P. A. Braam
W. L. IJzerman

Frontiers in Physics

doi 10.3389/fphy.2025.1518660

2,057 views
3 citations

Original Research

Published on 28 Apr 2025

Multi-nested anti-resonant fiber with ice-cream-shaped tubes for terahertz communications

in Optics and Photonics

Xinxiu Xu
Yanguang Chen
Junsheng Zhang

Frontiers in Physics

doi 10.3389/fphy.2025.1560320

1,167 views
1 citation

Editorial

Published on 25 Apr 2025

Editorial: Acquisition and application of multimodal sensing information, volume II

in Optics and Photonics

Xukun Yin
Changhui Jiang
Huadan Zheng
Angelo Sampaolo
Kaijie Xu

Frontiers in Physics

doi 10.3389/fphy.2025.1601824

1,770 views

Correction

Published on 25 Apr 2025

Corrigendum: Miniaturized single layer ultra-thin polarization insensitive metasurface absorber

in Optics and Photonics

Fajian Zhen
Yunqing Liu
Junwei Dong
Shiyuan Kong
Feng Jia
Ravi Kumar Arya

Frontiers in Physics

doi 10.3389/fphy.2025.1609360

925 views

Brief Research Report

Published on 14 Apr 2025

Development and environmental validation of a compact EDFA with integrated LNA+HPA for satellite optical communications

in Optics and Photonics

Alberto Carrasco-Casado
Koichi Shiratama
Dimitar Kolev
Hiroyuki Tsuji
Morio Toyoshima

Frontiers in Physics

doi 10.3389/fphy.2025.1542043

2,893 views

Original Research

Published on 11 Apr 2025

Enhancing responsivity of silicon PIN photodiodes at 1064 nm via light trapping and geometry optimization: a simulation study

in Optics and Photonics

Fahad Alghannam
Nada S. Alharthi
Mrwan Alayed

Frontiers in Physics

doi 10.3389/fphy.2025.1563838

2,385 views
1 citation

1,128 articles

articles

High-frequency gain enhancement of a broadband metasurface antenna with parasitic patches using characteristic mode analysis

Optimization of off-centered lens parameters in high-power stimulated Brillouin-scattering phase-conjugation mirror

Infrared and visible image fusion based on multi-scale transform and sparse low-rank representation

Passively Q-switched 2.79-μm Er, Cr: YSGG laser based on pure water saturable absorber

Phase demodulation of hybrid 3×3 coupler and Sagnac interferometer for φ-OTDR

Impact of mode instability on polarization extinction ratio in backward pumped fiber amplifiers

Gas detection technology for thermal runaway of lithium-ion batteries

High-accuracy combustible gas cloud imaging system using YOLO-plume classification network

Megapixel X-ray ghost imaging with a prior-recorded reference

Fermentation endpoint detection of Soybean using specially designed Pd-coated FBG stress sensor

Application status of holmium and thulium fiber laser for urological calculi

The effect of pump laser pulse chirp on the properties of generated nonlinear Thomson scattering radiation

Integrating MIMO and RoF technologies for low-latency and high-capacity 5G networks

Novel time-varying metasurface design for enhanced DOA estimation based on sparse signal recovery

Peak amplitude dependence of radiation properties of nonlinear Thomson scattering under an applied magnetic field

Frequency shift properties of a calcium beam optical clock

Research progress on the application of high-power laser cutting, welding, and drilling

Mode-hop-free wavelength-tunable semiconductor lasers covering the S+C+L band via external-cavity optical feedback

Inverse freeform design in non-imaging optics: Hamilton’s theory of geometrical optics, optimal transport, and least-squares solvers

Multi-nested anti-resonant fiber with ice-cream-shaped tubes for terahertz communications

Editorial: Acquisition and application of multimodal sensing information, volume II

Corrigendum: Miniaturized single layer ultra-thin polarization insensitive metasurface absorber

Development and environmental validation of a compact EDFA with integrated LNA+HPA for satellite optical communications

Enhancing responsivity of silicon PIN photodiodes at 1064 nm via light trapping and geometry optimization: a simulation study