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Photonics publishes Special Issues to create collections of papers on specific topics, with the aim of building a community of authors and readers to discuss the latest research and develop new ideas and research directions. Special Issues are led by Guest Editors, who are experts on the topic and all Special Issue submissions follow MDPI's standard editorial process. The journal’s Editor-in-Chief and/or designated Editorial Board Member will oversee Guest Editor appointments and Special Issue proposals, checking their content for relevance and ensuring the suitability of the material for the journal. The papers published in a Special Issue will be collected and displayed on a dedicated page of the journal’s website. Further information on MDPI's Special Issue policies and Guest Editor responsibilities can be found here. For any inquiries related to a Special Issue, please contact the Editorial Office.

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Semiconductor Lasers: Innovations, Challenges, and Future Perspectives

edited by Yongqiang Ning and

Xiaoying He

submission deadline 20 Jan 2026 | 4 articles | Viewed by 7193 | Submission Open

Keywords: VCSEL; semiconductor lasers; integrated lasers; semiconductor disk lasers; dynamics and stability

(This special issue belongs to the Section Optoelectronics and Optical Materials)

Development and Optimization of High-Power Semiconductor Laser Diodes and Photodetectors

edited by

Cheng-Ao Yang

and Jiang Wu

submission deadline 20 Jan 2026 | 4 articles | Viewed by 5463 | Submission Open

Keywords: semiconductor laser; laser diodes; optoelectronics devices

(This special issue belongs to the Section Lasers, Light Sources and Sensors)

Metamaterials and Nanophotonics: Fundamentals and Applications

edited by

Wei Wang

Li Jin

, Zijie Dai and Tengteng Li

submission deadline 20 Jan 2026 | 2 articles | Viewed by 1284 | Submission Open

Keywords: metamaterials; metasurface; nanophotonics; plasmonics; optical device; photonics integrated system

(This special issue belongs to the Section Optoelectronics and Optical Materials)

Advances in Visual Optics

edited by

Yongji Liu

and Dimitrios Christaras

submission deadline 24 Jan 2026 | 2 articles | Viewed by 2146 | Submission Open

Keywords: visual optics; myopia control; refractive and cataract surgery; intraocular lens; optics of the eye; eye model; wavefront aberration; new technologies in visual optics; applications of artificial intelligence in visual optics; lens and ocular biomedics

Photonic Integrated Circuits for Information, Computing and Sensing

edited by Andrea Salamon, Liam O’Faolain and Simone Iadanza

submission deadline 30 Jan 2026 | 5 articles | Viewed by 27144 | Submission Open

Keywords: silicon photonics; nanophotonics; integrated photon detectors and sensors; quantum information; integrated quantum photonics; polymer waveguides; 1D and 2D materials; optical sensing

(This special issue belongs to the Section Optoelectronics and Optical Materials)

Advanced Materials and Devices for Silicon Photonics

edited by Jiawei Wang,

Qiancheng Zhao

and Meiting Song

submission deadline 30 Jan 2026 | 1 articles | Viewed by 1022 | Submission Open

Keywords: integrated silicon and silicon nitride photonics; light sources; including quantum dot lasers and heterogeneous integrated III-V lasers; etc.; silicon modulators and switches; detectors; including Ge-on-Si and III– V hybrid detectors; etc.; III– V material integration with silicon photonics; silicon photonics metamaterials; silicon photonics MEMS; silicon bio-photonics

(This special issue belongs to the Section Optoelectronics and Optical Materials)

Freeform Optics for Illumination and Imaging

edited by Zhouping Su

submission deadline 30 Jan 2026 | Viewed by 88 | Submission Open

Keywords: freeform optics; LED illumination; laser shaping; methods for designing freeform optics; freeform surface manufacturing and metrology

Advances in X-Ray Coherent Imaging Technology

edited by Yudong Yao

submission deadline 30 Jan 2026 | Viewed by 72 | Submission Open

Keywords: X-ray coherent imaging; X-ray coherence; X-ray tomography

Advances in Integrated Photonics

edited by Zhefeng Hu, Weike Zhao and Mengruo Zhang

submission deadline 31 Jan 2026 | 5 articles | Viewed by 5798 | Submission Open

Keywords: integrated optical passive devices and active devices; integrated optical nonlinear devices; heterogeneous integration

(This special issue belongs to the Section Optoelectronics and Optical Materials)

Optical Technologies for Measurement and Metrology

edited by Shuling Hu

submission deadline 31 Jan 2026 | 5 articles | Viewed by 4229 | Submission Open

Keywords: optical measurement and metrology; photonic chip; integrated lasers; non-contact measurement; metasurface; signal modulation/demodulation; 3D display

(This special issue belongs to the Section Optical Interaction Science)

Innovative Optical Technologies in Advanced Manufacturing

edited by

Ci Song

and

Xing Peng

submission deadline 31 Jan 2026 | 3 articles | Viewed by 3329 | Submission Open

Keywords: advanced materials; measurement and metrology; precision manufacturing; optical design; computational imaging; image processing; advanced manufacturing; detection technology; process monitoring; machine learning

(This special issue belongs to the Section Optical Interaction Science)

Optical Wireless Communications (OWC) for Internet-of-Things (IoT)

edited by Simeng Feng and Baolong Li

submission deadline 31 Jan 2026 | 1 articles | Viewed by 1819 | Submission Open

Keywords: optical wireless communication (OWC); internet of things (IoT); visible light communication (VLC); UAV communications

(This special issue belongs to the Section Optical Communication and Network)

Novel Advances in Optical Fiber Gratings

edited by Jingxian Cui and

Zhiyong Zhao

submission deadline 31 Jan 2026 | 2 articles | Viewed by 1671 | Submission Open

Keywords: fiber bragg grating sensors; fiber grating fabrication; fiber grating applications; optical fiber sensing; fiber laser

(This special issue belongs to the Section Optoelectronics and Optical Materials)

Advanced Optical Transmission Techniques

edited by

Zhipei Li

Xishuo Wang

and

Weiwen Kong

submission deadline 31 Jan 2026 | 1 articles | Viewed by 1415 | Submission Open

Keywords: high-capacity transmission systems; artificial intelligence optical communication; digital signal processing; data center optical interconnection; flexible optical network

Laser Communication Systems and Related Technologies

edited by

Xuan Wang

and Chen Wang

submission deadline 31 Jan 2026 | 1 articles | Viewed by 694 | Submission Open

Keywords: laser communication systems; scanning and acquisition; precision pointing and tracking control; opto-mechanical integration; miniaturized transceivers; autonomous beam alignment; standardized laser networks

(This special issue belongs to the Section New Applications Enabled by Photonics Technologies and Systems)

Next-Generation Optical Networks Communication

edited by

Yuyang Gao

submission deadline 31 Jan 2026 | 1 articles | Viewed by 448 | Submission Open

Keywords: optical fiber; optoelectronic devices; systems and subsystems; networks

(This special issue belongs to the Section Optical Communication and Network)

Quantum Cascade Lasers: Recent Progress and Novel Applications

edited by Andrea Ottomaniello and Urban Senica

submission deadline 31 Jan 2026 | Viewed by 366 | Submission Open

Keywords: intersubband transitions; quantum cascade lasers; frequency combs; detectors; mid-infrared; terahertz; non-linear dynamics; photonic integration; laser feedback interferometry

(This special issue belongs to the Section Lasers, Light Sources and Sensors)

Adaptive Optics: Recent Technological Breakthroughs and Applications

edited by

Sergio Restaino

and Freddie Santiago

submission deadline 31 Jan 2026 | Viewed by 150 | Submission Open

Keywords: adaptive optics; active optics; wavefront sensing; aberrations; algorithms; closed loop

(This special issue belongs to the Section New Applications Enabled by Photonics Technologies and Systems)

Emerging Innovations in Microstructured Fibers for Sensing and Beyond

edited by

Boyao Li

Yifan Zhang

and

Jinghua Sun

submission deadline 31 Jan 2026 | Viewed by 108 | Submission Open

Keywords: microstructured fiber sensing components; novel microstructured fiber design; multi-functional microstructured fibers; advanced microstructured fiber sensing technology; emerging applications of microstructured fibers

(This special issue belongs to the Section Lasers, Light Sources and Sensors)

Collective Effects in Light-Matter Interactions

edited by Philippe Wilhelm Courteille and Raul Teixeira

submission deadline 31 Jan 2026 | Viewed by 76 | Submission Open

Keywords: collective light– matter interaction; collective light scattering; many-body quantum systems; anderson localization; collective atomic spin squeezing; topological edge modes; superradiance; subradiance

(This special issue belongs to the Section Optoelectronics and Optical Materials)

Advances in the Propagation and Coherence of Light

edited by

Yongtao Zhang

, Xinlei Zhu and Jing Wang

submission deadline 31 Jan 2026 | Viewed by 68 | Submission Open

Keywords: spatial coherence; temporal coherence; spatio-temporal coherence; coherence structures; structured light; light field propagation; partial coherence

(This special issue belongs to the Section Optical Interaction Science)

Perovskite Light-Emitting Diodes (PeLEDs): Emerging Technologies for Next-Generation Displays

edited by Dongxu Zhu, Ye Wu and Changting Wei

submission deadline 31 Jan 2026 | Viewed by 64 | Submission Open

Keywords: lead-free; perovskite nanocrystals; light output efficiency; degradation mechanism; large-scale display

(This special issue belongs to the Section Optoelectronics and Optical Materials)

Recent Advancements in Optical Coherence Tomography

edited by

Pavel Nikitin

submission deadline 1 Feb 2026 | Viewed by 107 | Submission Open

Keywords: optical coherence tomography (OCT); functional OCT; OCT angiography; swept‐source and spectral‐domain OCT; artificial intelligence; multimodal imaging (e.g.; OCT– photoacoustic and OCT– fluorescence); endoscopic and miniaturized probes

(This special issue belongs to the Section Biophotonics and Biomedical Optics)

Light-Based 3D Printing for Optics

edited by

Paul Somers

submission deadline 6 Feb 2026 | Viewed by 88 | Submission Open

Keywords: multi-photon polymerization; light-based additive manufacturing; high refractive index printing; optical metamaterials/metasurfaces; printed optical elements: lenses; diffractive optical elements; waveguides; photonic crystals; printing inorganic materials: metals; semiconductors; quantum dots; optical design; 3D optical coatings

(This special issue belongs to the Section Optical Interaction Science)

Laser Technology and Applications

edited by Li Zhong

submission deadline 10 Feb 2026 | 13 articles | Viewed by 14791 | Submission Open

Keywords: high-power laser; high-brightness laser; ultrashort pulse laser; attosecond laser technology; narrow linewidth; single-frequency laser; frequency combs; ultraviolet laser; mid-infrared laser; semiconductor lasers

(This special issue belongs to the Section Lasers, Light Sources and Sensors)

Advances in Hollow-Core Optical Fibers: From Fundamentals to Applications

edited by

Charu Goel

and

Daiqi Xiong

submission deadline 10 Feb 2026 | Viewed by 138 | Submission Open

Keywords: hollow-core optical fibers; antiresonant optical fibers; photonic bandgap fibers; gas lasers; light– matter interactions; mid-infrared sources; THz waveguides; optical fiber sensing; beam delivery

(This special issue belongs to the Section Lasers, Light Sources and Sensors)

Optical Innovations in Biomedical Sensing and Imaging

edited by

Jeong Hee Kim

and Yanmin Zhu

submission deadline 10 Feb 2026 | Viewed by 92 | Submission Open

Keywords: optics and photonics; biophotonics; biosensing; biomedical optics; biomarker detection; computational imaging; wearable sensors; multi-modal imaging

Exploring Optical Fiber Communications: Technology and Applications

edited by

Jiahao Huo

submission deadline 15 Feb 2026 | 4 articles | Viewed by 2815 | Submission Open

Keywords: optical fiber communications; optical components; devices and subsystems; advanced digital signal processing; novel optical transmission schemes; advanced optical transmission technology

(This special issue belongs to the Section Optical Communication and Network)

Stable Control Technology and Image Perception Technology in Optoelectronic Servo Systems

edited by Yang Liu, Tieqiao Chen and

Yueshu Feng

submission deadline 15 Feb 2026 | 1 articles | Viewed by 934 | Submission Open

Keywords: stable imaging; image motion compensation; external guidance direction; high-precision photoelectric tracking; image perception; advanced detector imaging; servo control; augmented reality; intelligent sensation

(This special issue belongs to the Section New Applications Enabled by Photonics Technologies and Systems)

Direct Ultrafast Laser Writing in Photonics and Optoelectronics

edited by

Guodong Zhang

and

Xu Wang

submission deadline 15 Feb 2026 | 1 articles | Viewed by 465 | Submission Open

Keywords: direct laser writing; ultrafast laser; laser modification; laser– matter interaction; surface structuring; micro– nano processing; photonic devices; optoelectronic devices

(This special issue belongs to the Section Optical Interaction Science)

Recent Progress in Integrated Photonics and Future Prospects

edited by Jing-Shun Pan

submission deadline 15 Feb 2026 | Viewed by 73 | Submission Open

Keywords: integrated photonics; heterogeneous integration; integrated photonic sensing; optical communication; quantum information

(This special issue belongs to the Section Optoelectronics and Optical Materials)

Next-Generation X-Ray Optical Technologies and Applications

edited by

Zhi Qiao

and Ming Li

submission deadline 15 Feb 2026 | Viewed by 59 | Submission Open

Keywords: X-ray optics and testing; X-ray metrology; X-ray multi-contrast imaging; AI for science; free electron lasers; X-ray beamlines and diagnostics; high-power lasers; pump-probe techniques

High-Precision Laser Interferometry: Instruments and Techniques

edited by Hongxing Yang and Pengcheng Hu

submission deadline 20 Feb 2026 | 1 articles | Viewed by 1283 | Submission Open

Keywords: precise measurement; laser technology; nanotechnology; multi-dimensional measurement; laser frequency stabilization; laser interferometer; laser interferometry; optical nonlinearity; linear displacement; absolute distance measurement; calibration

Advancements and Future Perspectives in All-Optical Detection and Reliability Improvement Technologies

edited by Xin Li

submission deadline 20 Feb 2026 | 1 articles | Viewed by 541 | Submission Open

Keywords: optical network security; all-optical fast matching; all-optical logic gates; optical network reliability; reliability evaluation

(This special issue belongs to the Section Optical Interaction Science)

Laser Micro/Nano-Fabrication: Innovations and Applications

edited by

Zhen Zhang

and Neil Broderick

submission deadline 20 Feb 2026 | Viewed by 45 | Submission Open

Keywords: lasers; micro/nano-fabrication; process strategy; micro/nanostructure characterization; fabrication mechanism; coupling fabrication; machine learning

(This special issue belongs to the Section Lasers, Light Sources and Sensors)

Laser Processing and Modification of Materials

edited by Liyang Yue and Wei Guo

submission deadline 28 Feb 2026 | 5 articles | Viewed by 10306 | Submission Open

Keywords: laser; laser material processing; laser applications; laser cutting; laser welding; laser cleaning; laser surface patterning; laser drilling; laser cladding; laser machining

(This special issue belongs to the Section Optical Interaction Science)

Challenges and Opportunities in Underwater Wireless Optical Communications

edited by

Jing Xu

Yanlong Li

and

Yang Qiu

submission deadline 28 Feb 2026 | 5 articles | Viewed by 6938 | Submission Open

Keywords: underwater optical wireless communication; underwater visible light communication; optical communication; optical communication network

(This special issue belongs to the Section Optical Communication and Network)

Advanced Photonics Metamaterials and Metasurfaces: Science and Applications, 2nd Edition

edited by

Zhaojian Zhang

and

Junbo Yang

submission deadline 28 Feb 2026 | 6 articles | Viewed by 5734 | Submission Open

Keywords: metamaterials; metasurfaces; vector optical fields; BICs; chirality; optical forces; thermal radiation; nonreciprocal; machine learning; 2D materials

(This special issue belongs to the Section Optoelectronics and Optical Materials)

Advancements in Optical Metamaterials

edited by Pavel Terekhov

submission deadline 28 Feb 2026 | 4 articles | Viewed by 5667 | Submission Open

Keywords: optical metamaterials; optical metasurfaces; plasmonic and dielectric metasurfaces

(This special issue belongs to the Section Optical Interaction Science)

Optical Fiber Sensors: Design and Application

edited by Yiwei Ma, Zicheng Wang and Jing Zhang

submission deadline 28 Feb 2026 | 2 articles | Viewed by 3404 | Submission Open

Keywords: optical fiber sensors; optical fiber sensing; optical fiber gyro; optical fiber gratings; optical data processing; photonic material; structure-modulated fiber sensor; signal processing; microstructure fiber sensors

(This special issue belongs to the Section Lasers, Light Sources and Sensors)

Polaritons Nanophotonics: Physics, Materials and Applications

edited by Shu Chen and

Shaoxin Shen

submission deadline 28 Feb 2026 | 2 articles | Viewed by 882 | Submission Open

Keywords: fundamental physics of polaritons; newly emerging polariton materials and phenomena; active tuning and dynamic control of polaritonic systems; polaritonic applications for sensing; imaging; spectroscopy; energy harvesting; and enhanced nonlinear effects

(This special issue belongs to the Section Optoelectronics and Optical Materials)

Ultrafast Optics: From Fundamental Science to Applications

edited by

Bo Fu

submission deadline 28 Feb 2026 | 1 articles | Viewed by 741 | Submission Open

Keywords: ultrafast photonics; laser photonics; nanophotonics; metasurface optics; fiber optics; nonlinear dynamics; on-chip microcavity; optical frequency combs; laser absorption spectroscopy

Emerging Trends in Photodetector Technologies

edited by

Dongyang Han

submission deadline 28 Feb 2026 | 1 articles | Viewed by 303 | Submission Open

Keywords: photodetectors; self-Powered; single-photon avalanche diodes; flexible optoelectronics; optical communications; imaging; 2D materials; perovskites; wide-bandgap semiconductors

(This special issue belongs to the Section Optoelectronics and Optical Materials)

Lightwave Electronics

edited by Dandan Hui

submission deadline 28 Feb 2026 | Viewed by 200 | Submission Open

Keywords: petahertz electronics; photonics; optoelectronics; attosecond pulse; nonlinear optics; light-driven quantum computing; light-matter interactions; nanophotonics; optical communications

(This special issue belongs to the Section New Applications Enabled by Photonics Technologies and Systems)

Recent Progress in Optical Metamaterials and Metasurfaces

edited by Yeming Qing, Koichi Okamoto and Murai Shunsuke

submission deadline 28 Feb 2026 | Viewed by 143 | Submission Open

Keywords: metamaterials; metasurfaces; metadevices; plasmonics; space-time modulation; nonreciprocal photonics; nanoantennas; quantum metamaterials; topological physics

Emerging Trends in Optical Fiber Communication Technologies

edited by Weicheng Chen,

Wei Ru Wong

and

Zanhui Chen

submission deadline 28 Feb 2026 | Viewed by 117 | Submission Open

Keywords: optics communications; coherent optical systems; space-division multiplexing; flexible and hollow-core fibers; adaptive equalization; advanced modulation formats

(This special issue belongs to the Section Optical Communication and Network)

Advancements in Silicon Integrated Photonics: Design, Fabrication, and Applications

edited by

Hamed Arianfard

submission deadline 28 Feb 2026 | Viewed by 94 | Submission Open

Keywords: silicon photonics; photonic device design; advanced fabrication; photonic– electronic integration; reconfigurable photonic circuits; heterogeneous integration; quantum photonics; neuromorphic photonics; photonic design automation; emerging photonic materials

Emerging Trends in Diffractive Optics and Metasurfaces

edited by Weiwei Liu

submission deadline 28 Feb 2026 | Viewed by 61 | Submission Open

Keywords: metasurface inverse design; broadband meta achromat; active/reconfigurable diffractive optics; nonlinear and quantum metadevices; wafer scale nano imprint lithography; machine learning topology optimization; lab on chip biosensing metasurface; beam steering and LiDAR; augmented/virtual reality optics

(This special issue belongs to the Section Optoelectronics and Optical Materials)

Recent Advances in Free-Space Optical Communication

edited by Zhi-Min Wang

submission deadline 28 Feb 2026 | Viewed by 61 | Submission Open

Keywords: ultra-violet laser; THz laser; ultra-violet laser detector; optical design; modulation; demodulation; optical communication

(This special issue belongs to the Section Optical Communication and Network)

Advances in Optical Fiber Transmission and Sensing Technologies

edited by

Han Gao

submission deadline 28 Feb 2026 | Viewed by 45 | Submission Open

Keywords: fiber transmission modeling; dispersion and nonlinearity; optical interference; distributed sensing; fiber-based measurement; multimode and multicore fibers; photonic structures; speckle-based sensing; fiber communication and sensing integration

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