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 Optical Imaging: Techniques and Applications
edited by Ying Ma, and Taiqiang Dai
submission deadline 30 Apr 2026 | Viewed by 75 | Submission Open
Keywords: super-resolution microscopy; computational imaging; adaptive optics; multimodal imaging; in vivo imaging; optical biosensors; industrial inspection
Advances in Terahertz and Microwave Electromagnetic Manipulation
edited by , and Pei Xiao
submission deadline 30 Apr 2026 | Viewed by 47 | 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 34 | 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
Emerging Terahertz Devices and Applications
edited by and Bo Fang
submission deadline 30 Apr 2026 | Viewed by 28 | 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
Light-Based Technologies in Biophotonics
edited by Stephen H. Kim and Andreas H. Hielscher
submission deadline 30 Apr 2026 | Viewed by 26 | 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)
Advances in Metasurfaces: Novel Designs and Applications
edited by Chenxia Li
submission deadline 30 Apr 2026 | Viewed by 10 | Submission Open
Keywords: metasurfaces; metamaterials; flat optics; wavefront shaping; nanophotonics; unit cell design; nanofabrication; holography; optical sensors; reconfigurable metasurfaces (or active metasurfaces)
Terahertz Communications in Photonics
edited by Yanyi Wang
submission deadline 1 May 2026 | Viewed by 157 | Submission Open
Keywords: terahertz communications; photonic THz generation; THz-over-fiber; integrated photonic circuits; THz signal processing; millimeter-wave and THz wireless links; THz sensing and imaging
(This special issue belongs to the Section Optical Communication and Network)
Photobiomodulation: Cellular, Molecular, and Clinical Efficacy
edited by Michael Cho
submission deadline 1 May 2026 | Viewed by 41 | Submission Open
Keywords: photobiomodulation; cellular mechanisms; dose– response relationship; tissue repair and regeneration
(This special issue belongs to the Section Biophotonics and Biomedical Optics)
Technologies and Applications of Semiconductor Optical Devices
edited by Kunpeng Zhai, and Tengteng Li
submission deadline 11 May 2026 | Viewed by 26 | Submission Open
Keywords: microwave photonics  ; integrated optoelectronics  ; optical modulation  ; RF photonics  ; mmWave systems
The Principle and Application of Photonic Metasurfaces
edited by Bin Wang
submission deadline 15 May 2026 | 1 articles | Viewed by 1645 | Submission Open
Keywords: photonic metasurfaces; principle; application; light manipulation; imaging; sensing; communication; design; fabrication; photonics medicine; optical/photonics devices and system; AI technology
(This special issue belongs to the Section Optical Interaction Science)
Long-Wave Infrared Lasers and Applications
edited by Zhiyong Li and
submission deadline 15 May 2026 | Viewed by 86 | Submission Open
Keywords: long-wave infrared; nonlinear optical frequency conversion; quantum cascade laser; laser annealing; single frequency; wavelength stability; transmission; high peak power
Breakthroughs in Organic Light-Emitting Diodes: Materials, Devices, and Applications
edited by Mangey Ram Nagar and
submission deadline 15 May 2026 | Viewed by 35 | Submission Open
Keywords: thermally activated delayed fluorescence (TADF); hyperfluorescent emitters; hybridized local and charge-transfer (HLCT) emitters; organic semiconductors; host– guest systems; exciton management; high-efficiency OLEDs; color purity and stability; solution-processed OLEDs; vacuum-deposited OLEDs; charge-transport layers; device engineering and architecture; flexible and transparent OLEDs; display and lighting applications; degradation mechanisms in OLEDs
Advances in Interferometric Optics and Applications
edited by Shanzhi Tang and
submission deadline 20 May 2026 | 1 articles | Viewed by 2627 | Submission Open
Keywords: novel method for optical interferometer; laser heterodyne/homodyne interferometer; grating interferometer; picometer/nanometer-level dimensional metrology; interferometric optical component; optomechanical design; optic– electronic detection techniques; data processing
(This special issue belongs to the Section Optical Interaction Science)
Spectroscopy of Hot Atomic Vapor
edited by Thierry Passerat De Silans, and João Carlos de Aquino Carvalho
submission deadline 20 May 2026 | Viewed by 54 | Submission Open
Keywords: hot vapors as sensors; lights scattering by hot vapors; coherent effects; non-linear optics; quantum manipulations; Rydberg atoms
Advanced Optical Fiber Communication
edited by , Fang Wei and
submission deadline 25 May 2026 | Viewed by 5 | Submission Open
Keywords: optical fibers; space-division multiplexing; coherent detection; digital signal processing; intelligent optical networks; advanced modulation formats; high-capacity optical communication; optical amplifiers
(This special issue belongs to the Section Optical Communication and Network)
Optical Materials in Laser Cleaning
edited by and
submission deadline 30 May 2026 | Viewed by 59 | Submission Open
Keywords: optical materials; high-power laser; ultrafast laser; optical path design; machine vision; theoretical model; new cleaning process; multi online monitoring; engineering application
Light-Emitting Diodes: Technology, Advances, Challenges and Applications submission deadline 31 May 2026 | 3 articles | Viewed by 1616 | Submission Open
Keywords: light-emitting diodes (LEDs); advanced semiconductor materials for LEDs; luminescent materials for LEDs; thermal management of LEDs; optimization of LED materials and construction; optimization of LED systems; energy efficiency of LEDs; UV-VIS-NIR LED applications (e.g.; lighting; medicine; sensors); sustainability of LEDs (materials; technology; and applications); LED recycling and lifecycle analysis
(This special issue belongs to the Section Optoelectronics and Optical Materials)
Optical Measurement Systems, 2nd Edition submission deadline 31 May 2026 | 1 articles | Viewed by 1152 | Submission Open
Keywords: optical measurement; laser technology; quantum optics; precision measurement; instrumentation and metrology; phase measurement; photonic devices for sensing and measurements; computational optical measurement; industrial applications; medical diagnostics
(This special issue belongs to the Section New Applications Enabled by Photonics Technologies and Systems)
Advances in Fiber Optics and Their Applications
edited by Qiang Guo
submission deadline 31 May 2026 | Viewed by 154 | Submission Open
Keywords: optical fiber; fiber gratings; optical fiber sensors; radiotherapy dosimetry; optical fiber application; photonics; fiber laser
Next-Generation Nano-Optoelectronics: Materials, Devices, and Systems
edited by and
submission deadline 31 May 2026 | Viewed by 142 | Submission Open
Keywords: nano-optoelectronics; quantum devices; 2D materials; plasmonic detectors; nano-LEDs; hybrid photonics; quantum emitters
Photonics Enabled by Plasmonic Metamaterials: Recent Developments and Future Directions
edited by Weijie Kong
submission deadline 1 Jun 2026 | Viewed by 65 | Submission Open
Keywords: plasmonic; metamaterial; metasurface; super-resolution; subwavelength; nanolithography; nanofabrication; ultraviolet; quantum; spectroscopy; sensing
Artificial Intelligence for Label-Free Imaging and Spectroscopy in the Life Sciences
edited by Arianna Bresci
submission deadline 1 Jun 2026 | Viewed by 2 | Submission Open
Keywords: artificial intelligence; biphotonics; label-free imaging; machine learning; microscopy; spectroscopy; optical biosensing; data-driven photonics
(This special issue belongs to the Section Biophotonics and Biomedical Optics)
Recent Advances in Neutron Optics
edited by Zhanwen Ma and
submission deadline 19 Jun 2026 | Viewed by 17 | Submission Open
Keywords: neutron optics; neutron delivery; neutron focusing; neutron guide; neutron super-mirror; neutron polarizer; neutron chopper; neutron instrumentation
Advances in Computational Imaging: Algorithms, Technologies, and Applications
edited by Dong Wang and Wenjing Zhao
submission deadline 27 Jun 2026 | Viewed by 167 | Submission Open
Keywords: single-pixel imaging; ghost imaging; phase imaging; wavefront; single-pixel holography; scattering media; scattering imaging; tracking through scattering media; scattering lens
(This special issue belongs to the Section Optical Interaction Science)
Emerging Trends in Optical Imaging, Sensing and Wireless Communication Through Random Scattering Media submission deadline 30 Jun 2026 | Viewed by 69 | Submission Open
Keywords: diffuse optical imaging; holography; optical wireless communication; light scattering; machine learning; inverse problems; image reconstruction; orbital angular momentum; early disease detection; bulk tissue imaging and sensing
Adaptive Optics in Astronomy submission deadline 30 Jun 2026 | Viewed by 49 | Submission Open
Keywords: adaptive optics; wavefront sensor; wavefront corrector; wavefront controller; astronomical imaging; large- aperture ground optical telescope; deformable mirror; wavefront correction; atmospheric Turbulence
Advanced Photodetectors for Photonic and Hybrid Photonic–Electronic Systems and Applications
edited by , Huijuan Niu and Yongqing Huang
submission deadline 30 Jun 2026 | Viewed by 16 | Submission Open
Keywords: photodetectors; photonic integration; photonic– electronic integration; multifunctional photodetectors; photodetector applications
(This special issue belongs to the Section New Applications Enabled by Photonics Technologies and Systems)
Progress in Ultra-Stable Laser Source and Future Prospects submission deadline 30 Jun 2026 | Viewed by 12 | Submission Open
Keywords: optical cavity; ultra-stable laser; optical frequency transfer; optical frequency comb; atomic clock; fiber-stabilized laser; optical microcavity; automatic frequency stabilization
(This special issue belongs to the Section Lasers, Light Sources and Sensors)
Advances in Short-Reach Optical Interconnects and Networking Technologies
edited by and Zhaopeng Xu
submission deadline 1 Jul 2026 | Viewed by 46 | Submission Open
Keywords: high-speed transceiver design and integration for short-reach links; modulators; photodetectors and amplifiers for short-reach interconnects; DSP algorithms for short-reach links; optical transmission system design and optimization; spatial division multiplexing; hollow core fibers for short-reach interconnects; transmission link and network modeling in optical communication systems; wavelength-division and space-division multiplexing for optical interconnects; advanced modulation formats and digital signal processing (DSP) techniques; silicon photonics and other integrated photonic platforms; energy-efficient designs and thermal management strategies; optical switching and routing architectures for data centers; AI-driven network optimization and traffic engineering; co-packaged optics and chip-to-chip optical interconnects
Modern Semiconductor Lasers: From VCSELs to QCLs
edited by and Yue Song
submission deadline 1 Jul 2026 | Submission Open
Keywords: semiconductor lasers; VCSELs; QCLs; high-power lasers; high-speed modulation; mid-infrared sources; photonic integration; narrow linewidth lasers; ultracompact lasers; novel cavity designs
(This special issue belongs to the Section Lasers, Light Sources and Sensors)
Optical Access and Transport Networks
edited by , and Jacek Majewski
submission deadline 15 Jul 2026 | Viewed by 14 | Submission Open
Keywords: optical access network; xPON; optical transport; OTN; ROADM; WSS; OXC; PXC; xWDM; optical OFDM; MCF; optical routing; EON; optical fiber; optical Xhaul; radio-fiber; optical modulation; coherent transmission; xDFA; ODN; submarine transmission; quantum communications; optical angular momentum; optical fronhaul; Raman amplification; optical layer 0; GMPLS; all-optical communications; optical eavesdropping
(This special issue belongs to the Section Optical Communication and Network)
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