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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Hybrid RF/Optical Wireless Solutions for Terrestrial and Non-Terrestrial 6G Networks
edited by
submission deadline 31 Jul 2026 | Viewed by 348 | Submission Open
Keywords: hybrid RF/FSO communication; optical wireless communication (OWC); non-terrestrial networks (NTN); UAV/HAPS/satellite communications; mobility management; beamforming and beam management; reconfigurable intelligent surfaces (RIS); optical; AI/ML for 6G hybrid networks; channel modeling and turbulence mitigation; sustainable 6G systems; quantum communication and security
(This special issue belongs to the Section Optical Communication and Network)
Recent Progress in Optical System Design
edited by and Jun Yu
submission deadline 31 Jul 2026 | Viewed by 279 | Submission Open
Keywords: freeform optics; computational optics; micro-nano optics; novel applications
New Advances in Optical Wireless Communication, 2nd Edition
edited by Xiaolin Zhou
submission deadline 31 Jul 2026 | Viewed by 213 | Submission Open
Keywords: optical wireless communications; signal processing; channel estimation; optical devices
(This special issue belongs to the Section Optical Communication and Network)
New Insights in Integrated Quantum Photonics
edited by Mostafa Khalil
submission deadline 31 Jul 2026 | Viewed by 191 | Submission Open
Keywords: integrated quantum photonics; quantum optical microcombs; quantum dot lasers; quantum encryption; on-chip entangled photon pair sources; high-dimensional quantum key distribution; quantum optical frequency comb
(This special issue belongs to the Section Quantum Photonics and Technologies)
Recent Progress in Integrated Photonics, 2nd Edition
edited by
submission deadline 31 Jul 2026 | Viewed by 175 | Submission Open
Keywords: integrated photonics; photonic integration; quantum photonics; photonic devices; photonic materials; telecommunications; hybrid integration; data processing; sensing technologies
(This special issue belongs to the Section Optoelectronics and Optical Materials)
Recent Progress in Silicon Photonics
edited by and
submission deadline 1 Aug 2026 | 1 articles | Viewed by 1322 | Submission Open
Keywords: integrated photonic circuits; fiber optics communication; modulators; detectors; power splitters; polarization management; WDM; heterogeneous and hybrid integration; advanced packaging; fiber-to-chip coupling; design automation; quantum computing; photonics computing; sensing; LiDAR; transceivers
(This special issue belongs to the Section Optical Communication and Network)
Advanced Nonlinear Optics in Ultrafast Lasers: From Novel Materials to System Applications
edited by , and Penglai Guo
submission deadline 1 Aug 2026 | Viewed by 295 | Submission Open
Keywords: ultrafast laser technology; mode-locked fiber lasers; saturable absorber materials; optical soliton dynamics; laser system applications
(This special issue belongs to the Section Lasers, Light Sources and Sensors)
Advanced Photonic Technologies: From Light Sources and Nonlinear Optics to Sensing Applications
edited by Duo Jin, , , and Laiyang Dang
submission deadline 10 Aug 2026 | 7 articles | Viewed by 4305 | Submission Open
Keywords: advanced light sources and laser technologies; nonlinear optical processes and devices; biophotonics and advanced imaging; high-precision fiber and spectroscopic sensing
(This special issue belongs to the Section New Applications Enabled by Photonics Technologies and Systems)
Optical Atomic Clocks: Progress, Applications and Fundamental Physics
edited by Matteo Barbiero and
submission deadline 10 Aug 2026 | 2 articles | Viewed by 3937 | Submission Open
Keywords: optical frequency standard; optical atomic clock; frequency stability; uncertainty; physics beyond standard model; quantum precision measurement
(This special issue belongs to the Section Quantum Photonics and Technologies)
Recent Progress in Terahertz Radar Imaging
edited by and
submission deadline 10 Aug 2026 | 1 articles | Viewed by 1001 | Submission Open
Keywords: terahertz radar; terahertz imaging; terahertz video SAR; terahertz 3D imaging; target detection and tracking; terahertz device; terahertz antenna; terahertz detector
(This special issue belongs to the Section Optical Interaction Science)
Non-Hermitian Photonics for Enhanced Light Control and Sensing
edited by and
submission deadline 10 Aug 2026 | 1 articles | Viewed by 979 | Submission Open
Keywords: non-Hermitian photonics; exceptional point sensing; chiral mode conversion; quantum photonics; light control; photonic sensors; non-Hermitian systems
(This special issue belongs to the Section Optical Interaction Science)
Next-Generation Optical Networks for 5G, 6G, and Beyond submission deadline 10 Aug 2026 | Viewed by 826 | Submission Open
Keywords: 5G and beyond; 6G; dynamic bandwidth allocation; network slicing; fiber-to-everything (FTTx); optical fronthaul; backhaul; energy-efficient networks; photonic technologies; AI-driven network management
(This special issue belongs to the Section Optical Communication and Network)
Optical Imaging and Measurements: 2nd Edition
edited by Zixin Zhao, and
submission deadline 15 Aug 2026 | 8 articles | Viewed by 12713 | Submission Open
Keywords: three-dimensional imaging; phase imaging; polarization imaging; computational optical imaging; optical coherence tomography; digital holography; speckle interferometry; optical triangulation measurements
(This special issue belongs to the Section Optical Interaction Science)
Recent Advancements in Tunable Laser Technology
edited by Dário Machado Garcia
submission deadline 15 Aug 2026 | 5 articles | Viewed by 10805 | Submission Open
Keywords: tunable lasers; optical communication; coupled resonator; spectral control; optical tuning; laser spectroscopy; laser devices
(This special issue belongs to the Section Lasers, Light Sources and Sensors)
Advancements in Optical Measurement Techniques and Applications
edited by and Juan Zhao
submission deadline 15 Aug 2026 | 9 articles | Viewed by 9362 | Submission Open
Keywords: applications of optical measurement; optical sensors and instrumentation; advances in spectroscopy and imaging; optical metrology in manufacturing and industry; environmental monitoring using optical methods; optical measurement in telecommunications; optical applications in ocean exploration; applications of optical measurements in the life sciences; optical measurements for space research; integration of optical measurement techniques with other technologies
(This special issue belongs to the Section Optical Interaction Science)
Optical Signal Processing for Advanced Communication Systems
edited by Weile Zhai
submission deadline 15 Aug 2026 | 2 articles | Viewed by 4483 | Submission Open
Keywords: optical fiber; microwave photonics; communication system; integrated sensing and communication; secure communication
(This special issue belongs to the Section Optical Communication and Network)
Optical Fiber Sensors: Recent Progress and Future Prospects
edited by and
submission deadline 15 Aug 2026 | 2 articles | Viewed by 4005 | Submission Open
Keywords: optical fiber sensors; surface plasmon resonance  ; photonic sensors; fiber Bragg gratings (FBGs); long period gratings (LPGs); interferometric optical fiber devices; fluorescent sensors; light diffuser-integrated sensors; evanescent wave sensors; fiber laser sensors
(This special issue belongs to the Section Lasers, Light Sources and Sensors)
Super-Resolution Optical Microscopy: Science and Applications
edited by and
submission deadline 15 Aug 2026 | 2 articles | Viewed by 1747 | Submission Open
Keywords: super-resolution microscopy; single-molecule localization microscopy; structured illumination microscopy; stimulated emission depletion microscopy; DNA-PAINT; expansion microscopy; multimodal imaging
(This special issue belongs to the Section New Applications Enabled by Photonics Technologies and Systems)
Liquid Crystals in Photonics II
edited by , and Tiegang Lin
submission deadline 20 Aug 2026 | 3 articles | Viewed by 7505 | Submission Open
Keywords: liquid crystals; photonics; AR/VR; LCD; optical communication; sensors; laser technology; electronic devices; computational optics
(This special issue belongs to the Section Optoelectronics and Optical Materials)
The Interaction between Photonics and Machine Learning
edited by and
submission deadline 20 Aug 2026 | 2 articles | Viewed by 3142 | Submission Open
Keywords: computational optics and machine learning; deep learning for optical systems; AI-empowered photonic sensor networks; adaptive optics and machine learning algorithms; optoelectronic neural networks for information processing; machine learning-based optimization of photonic devices; photonics-enabled machine vision systems; AI-driven design of optical components; quantum photonics and quantum machine learning; reinforcement learning to control optical systems
(This special issue belongs to the Section Optical Interaction Science)
Emerging Trends in Rare-Earth Doped Material for Photonics
edited by
submission deadline 20 Aug 2026 | 3 articles | Viewed by 2619 | Submission Open
Keywords: optical amplifiers; luminescent phosphors; photonic lasers; ultrafast spectroscopy; perovskite materials
(This special issue belongs to the Section Optoelectronics and Optical Materials)
Latest Advances in Optical Diffraction, Imaging and Display
edited by Chenrun Feng, and Zhiyong Yang
submission deadline 20 Aug 2026 | 1 articles | Viewed by 2094 | Submission Open
Keywords: diffraction optical elements (DOEs); meta-surfaces for imaging and display; virtual reality and augmented reality; nano-photonics and nanolithography; holography and fourier optics; metamaterials; light scattering; phase modulation and laser beam shaping; wavefront sensing; optical microscopy; differential interference contrast (DIC) microscope; coherent diffraction imaging/phase contrast imaging/computational imaging
(This special issue belongs to the Section Optical Interaction Science)
Plasmonic Sensors: Advances and Applications
edited by Evangelia Chatzianagnostou and Dimosthenis Spasopoulos
submission deadline 20 Aug 2026 | 1 articles | Viewed by 1112 | Submission Open
Keywords: plasmonic sensors; SPR sensors; localized SPR sensors; nanoplasmonic sensors; plasmo-photonic sensors; biosensing and point-of-care diagnostics; temperature sensing; gas sensing; food safety; environmental sensing
(This special issue belongs to the Section Lasers, Light Sources and Sensors)
Optical Tweezers: From Light Scattering Theory to Micro/Nanoparticle Manipulation
edited by and
submission deadline 20 Aug 2026 | 1 articles | Viewed by 811 | Submission Open
Keywords: optical tweezers; light scattering/electromagnetic theory; micro/nanoparticle manipulation; sub-piconewton precision; non-contact force measurement; biophysics; multi-field integration; modeling and simulations; photonics/interdisciplinary applications; AI-powered optical tweezers
(This special issue belongs to the Section Biophotonics and Biomedical Optics)
Optical Imaging for 3D Surface and Phase Recovery: Techniques and Applications
edited by and Cheng Liu
submission deadline 20 Aug 2026 | Viewed by 281 | Submission Open
Keywords: optical imaging; 3D reconstruction; phase recovery; deep learning
Advances in Infrared Photodetectors
edited by
submission deadline 20 Aug 2026 | Viewed by 183 | Submission Open
Keywords: infrared photodetectors; long-wavelength infrared; very-long-wavelength infrared; focal plane arrays; silicon-based infrared detection
(This special issue belongs to the Section Optoelectronics and Optical Materials)
Advances in Optical Sensors and Applications
edited by , Natasha Vukovic and
submission deadline 30 Aug 2026 | 12 articles | Viewed by 13215 | Submission Open
Keywords: biosensors; fibre optics; fluorescence; gyroscope; integrated optics; luminescence; pressure sensing; spectroscopy; temperature sensing
(This special issue belongs to the Section Lasers, Light Sources and Sensors)
Optical Metasurface: Applications in Sensing and Imaging submission deadline 30 Aug 2026 | 2 articles | Viewed by 3405 | Submission Open
Keywords: metasurface-enhanced imaging; metasurface-based sensing; biomedical metasurfaces; optical computing with metasurfaces; integrated metasurface photonics
(This special issue belongs to the Section Optoelectronics and Optical Materials)
Recent Trends in Fiber Bragg Grating-Based Optical Systems
edited by
submission deadline 30 Aug 2026 | Viewed by 190 | Submission Open
Keywords: fiber bragg grating; optical fiber sensor; fiber laser; optical fiber communication system; fiber grating inscription
Advanced Optical Transmission Techniques submission deadline 31 Aug 2026 | 4 articles | Viewed by 10073 | Submission Open
Keywords: high-capacity transmission systems; artificial intelligence optical communication; digital signal processing; data center optical interconnection; flexible optical network
Advancements in Optical Techniques for Enhancing the Sensitivity and Precision of Atomic Magnetometers
edited by and
submission deadline 31 Aug 2026 | 3 articles | Viewed by 6058 | Submission Open
Keywords: atomic magnetometers; weak magnetic measurement; atomic polarization; three-axis measurement
(This special issue belongs to the Section Optical Interaction Science)
Advances in Micro-Nano Optical Manufacturing
edited by Shuo Qiao, and Xiao Shen
submission deadline 31 Aug 2026 | 2 articles | Viewed by 5455 | Submission Open
Keywords: micro-nano manufacturing; optical component; nanoscale fabrication technologies; process-characterization co-design; optical design; image fusion; defect inspection; machine learning; metasurface manufacturing; ultra-precision machining; machine vision; functional optical materials; precision measurements and metrology; freeform design; manufacturing technology; opto-mechanical design; additive micro-optics; advanced optical manufacturing and detection
(This special issue belongs to the Section Optoelectronics and Optical Materials)
Semiconductor Optoelectronic Devices: Characterizations, Design and Fabrication
edited by Yining Mu and Jikai Yang
submission deadline 31 Aug 2026 | 5 articles | Viewed by 2215 | Submission Open
Keywords: semiconductor optoelectronic devices; photodetectors and imaging sensors; light-emitting diodes and lasers; nanofabrication and device design; optical and electrical characterization; quantum and integrated photonics; perovskite and emerging semiconductors; device stability and reliability
(This special issue belongs to the Section Optoelectronics and Optical Materials)
Next-Generation Optical Transmission Systems: Breakthroughs, Technologies, and Emerging Frontiers
edited by Xizheng Ke
submission deadline 31 Aug 2026 | 3 articles | Viewed by 1982 | Submission Open
Keywords: intelligent optics; optical sensors and fiber optic sensing technology; optical communication; visible light communication systems
Neural Networks in Optical Communications and Optical Computing: Implementation, Applications, and Prospects submission deadline 31 Aug 2026 | 2 articles | Viewed by 1844 | Submission Open
Keywords: neural networks; photonic neural networks; optical networks; artificial intelligence; photonics; optical signal processing; intelligent optical communications; optical computing; optical fiber systems; machine learning in photonics
(This special issue belongs to the Section Optical Communication and Network)
Recent Developments in Fringe Pattern Analysis for Optics and Photonics
edited by Manuel Servin, Gonzalo Paez and Moises Padilla
submission deadline 31 Aug 2026 | 1 articles | Viewed by 1675 | Submission Open
Keywords: optical metrology; fringe profilometry; phase shifting; 3D scanning; phase demodulation; digital holography; dynamic interferometry; quantitative phase imaging; phase unwrapping; optical coherence tomography
(This special issue belongs to the Section Optical Interaction Science)
Principle and Application of Optical Metasurfaces
edited by and Bin Fang
submission deadline 31 Aug 2026 | 1 articles | Viewed by 1668 | Submission Open
Keywords: metasurfaces; imaging; wavefront engineering; nonlinear optics; nanophotonics; metalens; metasurface holograms; topological metasurfaces; polarization control
(This special issue belongs to the Section Optical Interaction Science)
High-Capacity and Reliable Free-Space Optical Communication Systems
edited by , and
submission deadline 31 Aug 2026 | 1 articles | Viewed by 530 | Submission Open
Keywords: space– air– ground integrated networks (SAGINs); hybrid RF/FSO systems; free-space optical communications; physical-layer security (PLS); high-capacity and reliability; passive eavesdropping; active eavesdropping
(This special issue belongs to the Section Optical Communication and Network)
New Insights in Optical Manipulation Techniques: From Fundamental Advances to Biomedical Applications
edited by
submission deadline 31 Aug 2026 | Viewed by 401 | Submission Open
Keywords: optical tweezers; optical fiber tweezers; optical forces; optical manipulation in vivo; biophotonics; optofluidic manipulation; nanophotonics
Advances and Applications of Optical Frequency Combs
edited by , Dario Giannotti and Edoardo Suerra
submission deadline 31 Aug 2026 | Viewed by 331 | Submission Open
Keywords: optical frequency combs; optics; spectroscopy; lasers; high precision; atomic physics
(This special issue belongs to the Section Lasers, Light Sources and Sensors)
Intelligent Fiber Bragg Grating (FBG) Sensors for Advanced Measurement and Monitoring submission deadline 31 Aug 2026 | Viewed by 304 | Submission Open
Keywords: intelligent sensor networks; Fiber Bragg Grating (FBG) sensors; optical sensing; artificial intelligence (AI); deep learning and machine learning; intelligent signal processing; smart sensing networks; structural health monitoring; data-driven demodulation; photonic sensing systems; smart cities and industrial monitoring; predictive maintenance
(This special issue belongs to the Section Lasers, Light Sources and Sensors)
New Insights in Fiber Laser:Progress, Challenges, and Future Prospects
edited by
submission deadline 31 Aug 2026 | Viewed by 236 | Submission Open
Keywords: high-power/high-brightness fiber laser; ultrafast fiber lasers; mid-infrared fiber lasers; random fiber lasers; multidimensional control of fiber lasers
(This special issue belongs to the Section Lasers, Light Sources and Sensors)
Optical Super-Resolution Microscopy
edited by Xuanwen Hua and Wenhao Liu
submission deadline 31 Aug 2026 | Viewed by 220 | Submission Open
Keywords: super-resolution principles; super-resolution microscopy; multimodal imaging; volumetric imaging; adaptive optics; super-resolution probes; super-resolution sensors; imaging flow cytometry; computational super-resolution; artificial intelligence
(This special issue belongs to the Section Biophotonics and Biomedical Optics)
AI-Native Optical Networks: Machine Learning and AI for Next-Generation Automation, Resilience, and Sustainability
edited by
submission deadline 31 Aug 2026 | Viewed by 208 | Submission Open
Keywords: AI-native optical networks; artificial intelligence; machine learning; photonic neural networks; neuromorphic computing; large language models; edge intelligence; self-healing networks; proactive fault management; sustainability
(This special issue belongs to the Section Data-Science Based Techniques in Photonics)
Advances in Optical Fiber Sensors for Temperature and Humidity Monitoring
edited by Ruijie Tong
submission deadline 31 Aug 2026 | Viewed by 196 | Submission Open
Keywords: optical fiber sensor; humidity detection; novel sensing designs; multiplexing and distributed sensing; nterrogation and demodulation techniques; advanced functional materials
Silicon Photonics for Advanced Applications
edited by and
submission deadline 1 Sep 2026 | Viewed by 429 | Submission Open
Keywords: integrated photonics circuits; transceivers; polarization management; heterogeneous and hybrid integration; advanced packaging; design automation; quantum computing; photonics computing; sensing; LiDAR
New Perspectives in Integrated Photonics
edited by , Tejendra Dixit, Swati Rajput and Rajneesh Chaurasiya
submission deadline 1 Sep 2026 | Viewed by 156 | Submission Open
Keywords: integrated photonics; silicon photonics; Group IV Materials (GeSn/SiGeSn); III– V semiconductor integration; 2D materials and heterostructures; hybrid and heterogeneous integration; nonlinear and quantum photonics; photonic circuits and interconnects; CMOS-compatible optoelectronics; next-generation optical communication
(This special issue belongs to the Section Optoelectronics and Optical Materials)
New Perspectives in Photodetectors
edited by and Xiujuan Zou
submission deadline 10 Sep 2026 | 2 articles | Viewed by 3141 | Submission Open
Keywords: organic photodetectors; low-dimensional material photodetectors; quantum dot photodetectors; ultrafast photodetection; photodetector arrays; infrared photodetection; visible-blind photodetectors; UV photodetectors; THZ photodetectors; plasmonic photodetectors; polarization-sensitive photodetectors; photodetectors for biological applications; photodetectors for communication systems; photodetectors for environmental monitoring
(This special issue belongs to the Section Optoelectronics and Optical Materials)
Optimizing Communication and Routing in Optical Data Center Networks
edited by Jialong Li and
submission deadline 10 Sep 2026 | 1 articles | Viewed by 1001 | Submission Open
Keywords: optical data center networks; communication optimization; routing protocols; optical switching; network architecture; traffic engineering; resource allocation
(This special issue belongs to the Section Optical Communication and Network)
Advances in Optical Fiber Sensing Technology: 2nd Edition
edited by Tao Geng, , and Yiwei Ma
submission deadline 10 Sep 2026 | 1 articles | Viewed by 875 | Submission Open
Keywords: optical fiber sensors; fiber sensing; signal processing; special fibers; microstructure fibers; micro/nanofibers; functional materials; photorefractive materials
(This special issue belongs to the Section Lasers, Light Sources and Sensors)
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