Special Issues

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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Advanced Photonic Integration Technology and Devices
edited by
submission deadline 31 Mar 2026 | 3 articles | Viewed by 4413 | Submission Open
Keywords: photonics integrated circuits; optoelectronics; Si photonics; hybrid integration
Advances in Laser Spectroscopy: From Fundamentals to Applications
edited by Jianing Wang, and
submission deadline 31 Mar 2026 | 2 articles | Viewed by 3164 | Submission Open
Keywords: laser technology; laser Raman spectroscopy; laser-induced fluorescence spectrum; absorption spectroscopy technology; laser spectral imaging; laser confocal microscopy; fiber sensing; remote sensing; atomic and molecular spectroscopy
(This special issue belongs to the Section Optical Interaction Science)
Current Research, Trends, and Prospects in Laser-Assisted Additive Printing Technology
edited by Anne-Patricia Alloncle and
submission deadline 31 Mar 2026 | 1 articles | Viewed by 1661 | Submission Open
Keywords: laser-assisted additive printing technology; laser-assisted bio-printing; laser-induced forward transfer; additive microfabrication; micro-/nano-additive structuring
(This special issue belongs to the Section Lasers, Light Sources and Sensors)
Advanced Lasers and Their Applications, 3rd Edition
edited by , Chao-Jian He and
submission deadline 31 Mar 2026 | 1 articles | Viewed by 462 | Submission Open
Keywords: fiber laser; all-solid-state laser; semiconductor laser; micro/nano structure fabrication; optical sensor
(This special issue belongs to the Section Lasers, Light Sources and Sensors)
Two-Dimensional Materials for Emerging Photonics and Spintronics Applications
edited by and
submission deadline 31 Mar 2026 | Viewed by 310 | Submission Open
Keywords: two-dimensional materials; quantum photonics; quantum optics; nonlinear optics; spintronics; polariton; Moiré superlattices; light– matter interactions; metamaterials; anisotropic materials
Optical Fiber Sensors: Refractivity and Interferometric Applications
edited by Qirui Wang, and
submission deadline 31 Mar 2026 | Viewed by 284 | Submission Open
Keywords: fiber optic sensors; refractive index sensing; biosensors and detection; fiber optic interferometers; instrumentation; measurements
(This special issue belongs to the Section Lasers, Light Sources and Sensors)
Advancing Nanophotonics: Research, Innovations, and Intelligence
edited by Jietao Liu and
submission deadline 31 Mar 2026 | Viewed by 264 | Submission Open
Keywords: nanophotonics; artificial intelligence; integrated photonics; metasurfaces; plasmonics; sensing; imaging; nonlinear optics; photonic crystals; AI-powered design
(This special issue belongs to the Section Optical Interaction Science)
Light as a Cure: Photobiomodulation and Photodynamic Therapy
edited by
submission deadline 31 Mar 2026 | Viewed by 226 | Submission Open
Keywords: photobiomodulation; laser acupuncture; combined therapy; chronobiology; wearable device for PBMT; rare diseases treated with PBMT; face diagnosis; photodynamic therapy; traumatic brain injury; pain relief; inflammation reduction; enhanced healing; synergistic approach in integrative care; mind– body interventions
(This special issue belongs to the Section Biophotonics and Biomedical Optics)
Photonic Integrated Circuits: Emerging Spectra and Technologies
edited by
submission deadline 31 Mar 2026 | Viewed by 181 | Submission Open
Keywords: photonics integrated circuits; ultra-violet photonics; integrated quantum photonics; heterogeneous integration; visible photonics; sensing; imaging; nonlinear optics
Optical Thin Films: From Materials to Applications
edited by
submission deadline 31 Mar 2026 | Viewed by 177 | Submission Open
Keywords: thin films; optical materials; optical devices; luminescence; light emission
(This special issue belongs to the Section Optoelectronics and Optical Materials)
Recent Progress in Vertical-Cavity Surface-Emitting Lasers (VCSELs)
edited by , Dongyue Jin and Wei Li
submission deadline 31 Mar 2026 | Viewed by 160 | Submission Open
Keywords: VCSELs; high-speed modulation; high-power operation; high power conversion efficiency; 3D sensing
(This special issue belongs to the Section Optoelectronics and Optical Materials)
Diffractive Optics: From Fundamentals to Applications
edited by Wenli Li and Yechuan Zhu
submission deadline 31 Mar 2026 | Viewed by 151 | Submission Open
Keywords: diffractive optical elements (DOEs); metasurfaces and their imaging systems; computational optics/inverse design; nanofabrication; beam shaping/structured light; optical devices/systems integration
(This special issue belongs to the Section Optoelectronics and Optical Materials)
Photonic Innovations in Optical Coherence Tomography
edited by and Yan Li
submission deadline 31 Mar 2026 | Viewed by 143 | Submission Open
Keywords: optical coherence tomography; swept-source lasers; photonic integrated circuits; adaptive optics; OCT angiography; computational imaging; biomedical photonics; deep learning in OCT; functional OCT; multi-modal imaging
(This special issue belongs to the Section Biophotonics and Biomedical Optics)
Advances in EUV Optics: Science and Technology
edited by and
submission deadline 31 Mar 2026 | Viewed by 101 | Submission Open
Keywords: EUV optics; lithography; mirror polishing; metrology; grating; thin films; multilayers; optical performance; synchrotron radiation; free electron lasers
(This special issue belongs to the Section Lasers, Light Sources and Sensors)
Emerging Trends in Laser Diagnostics
edited by
submission deadline 31 Mar 2026 | Viewed by 86 | Submission Open
Keywords: laser spectroscopy; artificial intelligence and machine learning; dual-comb spectroscopy; quantum-cascade lasers; mid-infrared and thz systems; plasma diagnostics; biomedical applications; environmental monitoring; combustion diagnostics; non-destructive testing
(This special issue belongs to the Section Optical Interaction Science)
Challenges and Opportunities in Wireless Optical Communication
edited by and
submission deadline 1 Apr 2026 | 1 articles | Viewed by 4478 | Submission Open
Keywords: wireless optical communication (WOC); visible light communication (VLC); free space optical communication (FSO); optical camera communication (OCC); Li-Fi technology and its applications; key characteristics for high data rates; non LoS and LoS Requirements; modulation techniques; hybrid RF– optical solutions
(This special issue belongs to the Section Optical Communication and Network)
Next-Generation Optical Frequency Combs and Their Photonic Applications
edited by
submission deadline 1 Apr 2026 | 1 articles | Viewed by 756 | Submission Open
Keywords: optical frequency combs; soliton combs; microcombs; dual-comb spectroscopy; quantum frequency combs; EO comb; kerr comb; chip-scale frequency combs; spectral shaping; precision measurement; precision metrology; hyperspectral imaging; microwave generation; microresonators; noise characterization; integrated photonics
Photonics for Emerging Applications in Communication and Sensing, 2nd Edition
edited by , Zhenzhou Cheng and Ting-Hui Xiao
submission deadline 10 Apr 2026 | 7 articles | Viewed by 7768 | Submission Open
Keywords: silicon photonics; optical fiber subsystems; photonic integrated circuits; optical network technology
(This special issue belongs to the Section Optical Communication and Network)
Quantum Optics: Advances and Applications
edited by Kui Liu
submission deadline 10 Apr 2026 | Viewed by 66 | Submission Open
Keywords: the preparation and measurement of quantum light sources; quantum computing and quantum simulation; fundamental issues in quantum optics; quantum effects of interactions between light fields and matter; micro- and nano-quantum optics; quantum precision measurement and quantum sensing; quantum communication and quantum key distribution
(This special issue belongs to the Section Quantum Photonics and Technologies)
Metasurface-Based Photonic Devices and Their Applications
edited by Jingfeng Chen
submission deadline 10 Apr 2026 | Viewed by 56 | Submission Open
Keywords: metasurfaces; subwavelength resonators; beamforming; reconfigurable metasurfaces; 2D materials integration; polarization manipulation
(This special issue belongs to the Section New Applications Enabled by Photonics Technologies and Systems)
Science and Applications of Optical Fiber Sensors: Recent Advances and Future Trends
edited by Alex Dante and Quandong Huang
submission deadline 15 Apr 2026 | 7 articles | Viewed by 16221 | Submission Open
Emerging Trends in Spectral Analysis with Optical Sensors: Modern Approaches and Applications
edited by Qichang An and Hongchao Zhao
submission deadline 15 Apr 2026 | 6 articles | Viewed by 11449 | Submission Open
Keywords: fiber sensors; astrophotonics; optical instrumentation and measurements; integrated photonics; interferometers; diffraction neural network
(This special issue belongs to the Section Lasers, Light Sources and Sensors)
Advances in EUV/X-Ray Optics: Science and Applications
edited by and Srikanth Panini Singam
submission deadline 15 Apr 2026 | 1 articles | Viewed by 647 | Submission Open
Keywords: mirrors for deflecting; monochromatizing; and collimating beams; diffractive optics for monochromators and spectrometers; optics focused on KB mirrors; reflective lenses; and zone plates; the design and fabrication of multilayer optics; metrological techniques
(This special issue belongs to the Section Optical Interaction Science)
Functional Metasurfaces: Metalenses, Chiral Optics, and Beyond
edited by
submission deadline 15 Apr 2026 | Viewed by 104 | Submission Open
Keywords: functional metasurfaces; metalenses and flat optics; chiral metasurfaces and polarization control; nonlinear and quantum metasurfaces; metasurface-enabled imaging and sensing; tunable and reconfigurable metasurfaces; holography and optical information processing; metamaterials; nanophotonics
The Many Paths of Light: Unraveling Multimode Optical Fibers
edited by
submission deadline 15 Apr 2026 | Viewed by 50 | Submission Open
Keywords: multimode/multicore fibers  ; SDM  ; quantum multimode transmission  ; optical nonlinearity
(This special issue belongs to the Section Optical Communication and Network)
Nonlinear Optics and Hyperspectral Polarization Imaging
edited by , Yuhua Li, and Sibghat Ullah
submission deadline 20 Apr 2026 | 16 articles | Viewed by 31696 | Submission Open
Keywords: nonlinear optics; integrated optics; optical vortex; structured light; laser measurement; hyperspectral imaging; polarization imaging; laser imaging; deep learning
(This special issue belongs to the Section Optical Interaction Science)
Microwave Photonics: Advances and Applications
edited by and Jinlong Yu
submission deadline 20 Apr 2026 | 1 articles | Viewed by 450 | Submission Open
Keywords: microwave photonics; optoelectronic oscillators; photonic signal processing; integrated microwave photonic circuits; RF-over-fiber; microwave photonic filters; high-frequency signal generation; optical modulation and detection; photonic-assisted radar and sensing; wideband analog optical links
(This special issue belongs to the Section Optoelectronics and Optical Materials)
Design and Construction of Optical Systems
edited by Huanhao Li
submission deadline 20 Apr 2026 | 1 articles | Viewed by 438 | Submission Open
Keywords: optical system design; photonics; computational optics; optical manipulation; holography; optical imaging; fabrication with optics; integrated photonics
Recent Advances in Optical Metamaterials: Numerical Methods, Modeling, and AI Techniques
edited by
submission deadline 20 Apr 2026 | Viewed by 68 | Submission Open
Keywords: metamaterials; metasurfaces; inverse photonic design; metamaterial-based devices; computational electromagnetics; artificial intelligence; machine learning
(This special issue belongs to the Section New Applications Enabled by Photonics Technologies and Systems)
Optical Fiber Lasers: Advances in Design, Fabrication and Applications
edited by , Zhiqiang Wang and
submission deadline 21 Apr 2026 | 1 articles | Viewed by 497 | Submission Open
Keywords: fiber lasers; fiber laser applications; optical fiber
(This special issue belongs to the Section Lasers, Light Sources and Sensors)
Emerging Technologies for Silicon Photonics and Integrated Circuits
edited by Yin Xu
submission deadline 25 Apr 2026 | 1 articles | Viewed by 1101 | Submission Open
Keywords: silicon photonics; photonic integrated circuits; electro-optic modulator; fiber-to-chip coupling; signal processing; photo-electric detector; optical material; AI algorithm; optical computing; integrated quantum photonic device
(This special issue belongs to the Section Optoelectronics and Optical Materials)
Silicon Integrated Photonics: Challenges and Opportunities
edited by
submission deadline 25 Apr 2026 | Viewed by 245 | Submission Open
Keywords: silicon integrated photonics; heterogeneous integration; quantum technology; ultra-fast photonics; topological photonics; optical computing; AI-assisted photonic design; spin– photon interface; nonlinear dynamics; optomechanics
(This special issue belongs to the Section Optoelectronics and Optical Materials)
Optical Sensors and Devices
edited by
submission deadline 30 Apr 2026 | 6 articles | Viewed by 10609 | Submission Open
Keywords: optical fiber sensor; optical spectrum; distributed fiber sensing; optical remote sensing; optical scattering; photoelectric detection
(This special issue belongs to the Section Lasers, Light Sources and Sensors)
Advances in Epsilon-Near-Zero Photonics
edited by Aleksei Anopchenko and
submission deadline 30 Apr 2026 | 2 articles | Viewed by 6047 | Submission Open
Keywords: zero-index materials; epsilon-near-zero; nanophotonics; plasmonics; nonlinear optics; optical metasurfaces; metamaterials; light– matter interaction; electromagnetics
Applications and Development of Optical Fiber Sensors
edited by Haokun Yang, , Zhe Ma, Zhenshi Sun and Rongxin Zhu
submission deadline 30 Apr 2026 | 5 articles | Viewed by 5887 | Submission Open
Keywords: optical fiber sensor; distributed sensing system; AI-driven fiber sensors; novel fiber structure; optic– electronic detection techniques; smart city fiber networks; structural health monitoring; sensing technology innovation
(This special issue belongs to the Section Optoelectronics and Optical Materials)
Application and Development of Optoelectronic Oscillators (OEOs) in Microwave Photonics
edited by and
submission deadline 30 Apr 2026 | 1 articles | Viewed by 3950 | Submission Open
Keywords: optoelectronic oscillators; optoelectronic oscillator sensors; optical RF signal processing; low phase noise; microwave photonics; and radio over fibers
(This special issue belongs to the Section New Applications Enabled by Photonics Technologies and Systems)
Nonlinear Optics and Optical Parametric Oscillators: From Fundamentals to Cutting-Edge Research
edited by Wange Song
submission deadline 30 Apr 2026 | 3 articles | Viewed by 3888 | Submission Open
Keywords: optical parametric oscillators; ultrafast optics; integrated photonics
(This special issue belongs to the Section Lasers, Light Sources and Sensors)
Advancements in Optics and Laser Measurement
edited by and
submission deadline 30 Apr 2026 | 3 articles | Viewed by 3370 | Submission Open
Keywords: optical sensing technologies; optical interferometry; 3D surface profiling; laser imaging; laser scanning and reconstruction; non-contact measurement; high-precision metrology; machine learning in optical measurement
(This special issue belongs to the Section Lasers, Light Sources and Sensors)
Advances in Metasurfaces: Novel Designs and Applications
edited by Chenxia Li
submission deadline 30 Apr 2026 | 1 articles | Viewed by 2132 | Submission Open
Keywords: metasurfaces; metamaterials; flat optics; wavefront shaping; nanophotonics; unit cell design; nanofabrication; holography; optical sensors; reconfigurable metasurfaces (or active metasurfaces)
Biomedical Photonics
edited by Chao Liu
submission deadline 30 Apr 2026 | 2 articles | Viewed by 2105 | Submission Open
Keywords: biomedical photonics; brain imaging and metabolism; two-photon microscopy; photoacoustic imaging
(This special issue belongs to the Section Biophotonics and Biomedical Optics)
Optical Communication Networks: Challenges and Opportunities
edited by and Zhengxuan Li
submission deadline 30 Apr 2026 | 1 articles | Viewed by 1511 | Submission Open
Keywords: optical communication networks; optical fiber communication; digital signal processing; optical passive networks
(This special issue belongs to the Section Optical Communication and Network)
Emerging Terahertz Devices and Applications
edited by and Bo Fang
submission deadline 30 Apr 2026 | 2 articles | Viewed by 833 | Submission Open
Keywords: THz metamaterials; THz modulators; THz plasmonic devices; THz dielectric resonators; THz waveguides; THz spectroscopy for cancer detection; THz endoscopy; THz communication; THz radar; machine learning for THz imaging
Advancements in Optical Devices for Quantum Information Processing and Communication
edited by , Yajun Gao and Feng-Yu Lu
submission deadline 30 Apr 2026 | 1 articles | Viewed by 801 | Submission Open
Keywords: optical quantum information; quantum communication; quantum optical devices
(This special issue belongs to the Section Quantum Photonics and Technologies)
Terahertz (THz) Science in Photonics
edited by Jiang Li, Qiwu Shi and Yanfeng Li
submission deadline 30 Apr 2026 | Viewed by 322 | Submission Open
Keywords: terahertz sources; THz detectors; THz spectroscopy; THz imaging; metamaterials and metasurfaces; time-resolved terahertz spectroscopy
Advanced Optical Imaging: Techniques and Applications
edited by Ying Ma, and Taiqiang Dai
submission deadline 30 Apr 2026 | Viewed by 248 | Submission Open
Keywords: super-resolution microscopy; computational imaging; adaptive optics; multimodal imaging; in vivo imaging; optical biosensors; industrial inspection
Photonic Integrated Circuits: From Fundamentals to Emerging Technologies
edited by Hua Yang and
submission deadline 30 Apr 2026 | Viewed by 229 | Submission Open
Keywords: photonic integrated circuits (PICs); silicon photonics; integrated optoelectronics; heterogeneous integration; monolithic integration; thin-film lithium niobate (TFLN); III-V/Si hybrid integration; neuromorphic photonics; AI/ML for photonic design; photonic design automation (PDA); quantum photonic circuits; 2D/3D photonic integration/interposer; data center photonics; biophotonics sensing; LiDAR on-chip; energy-efficient photonics; active and passive optical devices; optical coupling and mode transformation; reverse engineering
Advances in Terahertz and Microwave Electromagnetic Manipulation
edited by , and Pei Xiao
submission deadline 30 Apr 2026 | Viewed by 202 | Submission Open
Keywords: minimized/wideband antenna; metamaterials; EIT/Fano; modulation; electromagnetic effect; high-intensity fields; measurement technology
Optical Networks and Their Applications submission deadline 30 Apr 2026 | Viewed by 201 | Submission Open
Keywords: optical networks; optical transmission systems; digital signal processing (DSP); photonic integrated circuits (PICs); software-defined networking; AI/ML in optical communication; Fibre– mmWave– Optical  Wireless  (OW)  convergence; physical-layer security; quantum-safe networking; elastic optical networks; joint communication and sensing; free-space optical communication; 6G transport
Light-Based Technologies in Biophotonics
edited by Stephen H. Kim and Andreas H. Hielscher
submission deadline 30 Apr 2026 | Viewed by 124 | Submission Open
Keywords: biophotonics; optical imaging; microscopy; spectroscopy; light-tissue interaction; image reconstruction; numerical methods; physics-driven methods; data-driven methods; photoacoustics
(This special issue belongs to the Section Biophotonics and Biomedical Optics)
Metasurfaces and Meta-Devices: From Fundamentals to Applications
edited by and Tianyue Li
submission deadline 30 Apr 2026 | Viewed by 103 | Submission Open
Keywords: metasurface-enabled multi-dimensional light field control; metasurface-based optical micromanipulation; metalens imaging; metasurfaces for advanced optical communications; heterogeneous metadevice integration; quantum metasurfaces; topological photonic crystals and metasurfaces; nonlocal metasurfaces and BIC; non-Hermitian and PT metasurfaces; metasurface-mediated optical singularities
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