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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Advancements in Wireless Optical Communication: Integrating Visible Light and Beyond
edited by and
submission deadline 30 Aug 2025 | 8 articles | Viewed by 13178 | Submission Open
Keywords: • visible light communications• underwater optical wireless communications• deep learning• channel model• high-speed transmission
(This special issue belongs to the Section Optical Communication and Network)
The Three-Decade Journey of Quantum Cascade Lasers
edited by , Li Wang, and Hideki Hirayama
submission deadline 31 Aug 2025 | 6 articles | Viewed by 13032 | Submission Open
Keywords: intersubband transition; quantum transport models; quantum cascade lasers; mid-infrared/terahertz; nonlinearities; frequency comb; spectroscopy
(This special issue belongs to the Section Quantum Photonics and Technologies)
Optical Sensors and Devices
edited by
submission deadline 31 Aug 2025 | 4 articles | Viewed by 7636 | 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)
Innovations in Optical Wireless Communications: Challenges and Opportunities
edited by Yingjie Shao and Jonathan McKendry
submission deadline 31 Aug 2025 | 3 articles | Viewed by 7434 | Submission Open
Keywords: optical wireless communication; visible light communication (VLC); free space optical communication; digital signal processing (DSP); micro-LEDs; channel modeling
(This special issue belongs to the Section Optical Communication and Network)
Advances in Holography and Its Applications
edited by Julia Marín-Sáez and
submission deadline 31 Aug 2025 | 4 articles | Viewed by 7390 | Submission Open
Keywords: holographic optical element; volume hologram; computer generated hologram; transmission hologram; reflection hologram; full color holography; multiplexing holography; holographic storage; hybrid refractive holographic systems
Emerging Trends in Spectral Analysis with Optical Sensors: Modern Approaches and Applications
edited by Qichang An and Hongchao Zhao
submission deadline 31 Aug 2025 | 6 articles | Viewed by 7388 | 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)
Nonlinear Optics and Optical Parametric Oscillators: From Fundamentals to Cutting-Edge Research
edited by Wange Song
submission deadline 31 Aug 2025 | 3 articles | Viewed by 2883 | Submission Open
Keywords: optical parametric oscillators; ultrafast optics; integrated photonics
(This special issue belongs to the Section Lasers, Light Sources and Sensors)
Exploring Cutting-Edge Technologies and Applications of Optics and Photonics
edited by , and Maurizio Ferrari
submission deadline 31 Aug 2025 | 3 articles | Viewed by 2774 | Submission Open
Keywords: biophotonics; optoelectronics; optical materials; optical sensors; quantum photonics; optics; lasers; nonlinear optics; optical computing
Advancements in Optical Metrology and Imaging
edited by Yingying Wan, Ji Tan and Gaoxu Wu
submission deadline 31 Aug 2025 | 4 articles | Viewed by 2180 | Submission Open
Keywords: optical measurement; 3D/2D imaging; computational imaging; image processing; optical inspection; deep learning and machine learning
(This special issue belongs to the Section Optical Interaction Science)
Recent Advances in Biomedical Optics and Biophotonics
edited by Eva Yebra-Pimentel and Maria Jesus Giráldez-Fernández
submission deadline 31 Aug 2025 | 3 articles | Viewed by 1758 | Submission Open
Keywords: biophotonics; ophthalmic instrumentation and measurements; laser interferometry; biomarker detection; aberrometry; refractive errors; in vivo eye imaging
(This special issue belongs to the Section Biophotonics and Biomedical Optics)
Infrared Optoelectronic Materials and Devices
edited by Lihua Ye
submission deadline 31 Aug 2025 | 2 articles | Viewed by 1349 | Submission Open
Keywords: infrared optoelectronic materials; infrared lasers; infrared emitters; infrared modulators; infrared detectors; infrared integrated photonics; infrared metamaterials; infrared metasurfaces; infrared optical fibers; infrared sensing
(This special issue belongs to the Section Optoelectronics and Optical Materials)
Biomedical Photonics
edited by Chao Liu
submission deadline 31 Aug 2025 | 2 articles | Viewed by 1252 | 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)
Progress in Freeform Optical Design and Future Prospects
edited by Changxi Xue
submission deadline 31 Aug 2025 | 1 articles | Viewed by 1156 | Submission Open
Keywords: freeform optics; optical design; optical manufacturing; optical measurement
(This special issue belongs to the Section Optical Interaction Science)
Recent Advances in Polarization Optics
edited by Sushanta Kumar Pal
submission deadline 31 Aug 2025 | 1 articles | Viewed by 677 | Submission Open
Keywords: structured light; beam shaping; optical encryption; optical communication; optical imaging; quantum information; optical lithography
(This special issue belongs to the Section Optical Interaction Science)
Machine Learning in Photonics: Progress, Challenges, and Future Prospects
edited by Jiachen Wan and Yue Yao
submission deadline 31 Aug 2025 | 1 articles | Viewed by 481 | Submission Open
Keywords: photonics; optics; biophotonics; biomedical imaging; machine learning; deep learning
(This special issue belongs to the Section Optical Interaction Science)
Advances in Photonic Quantum Information Processing: From Theory to Experiments
edited by Xiaoyan Wu
submission deadline 31 Aug 2025 | Viewed by 354 | Submission Open
Keywords: quantum imaging; ghost imaging; quantum sensing; quantum computing; quantum communication; optical imaging and sensing; quantum optics
(This special issue belongs to the Section Quantum Photonics and Technologies)
Light-Driven Nanomotors
edited by Ximin Cui
submission deadline 31 Aug 2025 | Viewed by 102 | Submission Open
Keywords: nanomotor; optical trapping; optical binding; particle manipulation; light− matter interactions
(This special issue belongs to the Section Optical Interaction Science)
Advances in LiDAR Technology
edited by Dongsong Sun and Yuli Han
submission deadline 1 Sep 2025 | Viewed by 353 | Submission Open
Keywords: LiDAR; wind and temperature measurement; middle and upper atmosphere; instrumentation and observations; machine learning
Emerging Trends in Metamaterials and Metasurfaces Research
edited by and Tiago A. Morgado
submission deadline 10 Sep 2025 | 10 articles | Viewed by 14437 | Submission Open
Keywords: nonlinear metamaterials and metasurfaces; reconfigurable and programmable (smart) metamaterials and metasurfaces; space-time modulated structures; metamaterials and metasurfaces for enhanced imaging capabilities; active metamaterials and metasurfaces; metamaterials and metasurfaces for biomedical applications; metamaterials and metasurfaces for wavefront control; topological metamaterials and metasurfaces; extreme wave phenomena in metamaterials and metasurfaces; metamaterial antennas and sensors
(This special issue belongs to the Section Optoelectronics and Optical Materials)
Optical Sensors for Advanced Biomedical Applications submission deadline 10 Sep 2025 | 2 articles | Viewed by 2305 | Submission Open
Keywords: diagnostics and therapeutics; integrated optics; lab-on-a-chip; microelectronics; optics; sensors; modeling and simulation
(This special issue belongs to the Section Lasers, Light Sources and Sensors)
Silicon Photonics: From Fundamentals to Future Directions submission deadline 10 Sep 2025 | 3 articles | Viewed by 1785 | Submission Open
Keywords: silicon photonics; optical communication; optical sensing; quantum communication; optical computing; metasurfaces; photonic integrated circuits; two-dimensional materials; heterogeneous integration
(This special issue belongs to the Section Optoelectronics and Optical Materials)
Optical Waveguides: Numerical Methods, Mathematical Modeling, and AI Techniques
edited by Eugene Smolkin
submission deadline 10 Sep 2025 | 1 articles | Viewed by 1034 | Submission Open
Keywords: numerical modeling; optical waveguides; finite element method; finite difference method; computational photonics; mathematical modeling; AI in photonics; machine learning in waveguide design; signal processing in waveguides; predictive modeling
Distributed Optical Fiber Sensing: Techniques and Applications
edited by Kun Zhu, Huan Wu and Bin Zhou
submission deadline 10 Sep 2025 | Viewed by 840 | Submission Open
Keywords: fiber optic sensors; distributed optical fiber sensing; Rayleigh; Raman; and Brillouin scattering; sensing signal processing; machine learning; artificial intelligence; infrastructure monitoring; applications in geoscience
Advances in Fiber Laser Technologies
edited by Yao-Yao Qi and Huihui Cheng
submission deadline 10 Sep 2025 | Viewed by 315 | Submission Open
Keywords: mode-locking; Q-switching; high-power fiber laser; fiber device; vortex fiber laser
(This special issue belongs to the Section Optoelectronics and Optical Materials)
Advancements in Optical Devices for Quantum Information Processing and Communication
edited by , Yajun Gao and Feng-Yu Lu
submission deadline 10 Sep 2025 | Viewed by 236 | Submission Open
Keywords: optical quantum information; quantum communication; quantum optical devices
(This special issue belongs to the Section Quantum Photonics and Technologies)
Optical Metasurfaces: Applications and Trends submission deadline 15 Sep 2025 | 4 articles | Viewed by 6355 | Submission Open
Keywords: achromatic metalenses; phase-tuning metasurfaces; optoelectronic co-designs in metadevices; metasurface holography; diffractive– refractive optics; wide-angle metalens designs; off-axis metalens imaging; optical metasurfaces in AR/VR; broadband infrared metalenses; metasurface-based computing imaging; metasurfaces as vortex beam generators
(This special issue belongs to the Section Optical Interaction Science)
Light Emitting Devices: Science and Applications submission deadline 15 Sep 2025 | Viewed by 152 | Submission Open
Keywords: light-emitting diodes (LEDs); quantum light sources; multi-color emission; 2D semiconductors; photonics applications; single-photon emitters; nanostructured LEDs; optoelectronic devices; visible light communication; advanced light sources
(This special issue belongs to the Section Optoelectronics and Optical Materials)
Emerging Trends in Optical Fiber Sensors and Sensing Techniques
edited by and
submission deadline 20 Sep 2025 | 10 articles | Viewed by 16764 | Submission Open
Keywords: distributed acoustic/vibration sensing; distributed temperature/strain sensing; hybrid distributed fiber-optic sensing; applications of distributed fiber-optic sensing; application of AI to distributed fiber-optic sensing; resonant fiber-optic biochemical sensors; fiber-optic displacement sensors; fiber-optic gas sensors; lossy fiber-optic sensors; fiber-optic point sensor applications
(This special issue belongs to the Section Lasers, Light Sources and Sensors)
High-Power Fiber Lasers
edited by
submission deadline 20 Sep 2025 | 9 articles | Viewed by 13323 | Submission Open
Keywords: ytterbium-doped fiber laser; fiber laser oscillator; fiber laser amplifier; multi cladding fiber; transverse mode instability; nonlinear effect; single-frequency fiber laser; narrow-linewidth fiber laser; pulsed fiber laser; quasi-continuous-wave fiber laser
(This special issue belongs to the Section Lasers, Light Sources and Sensors)
Recent Progress in Integrated Photonics
edited by
submission deadline 20 Sep 2025 | 7 articles | Viewed by 4488 | 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)
Liquid Crystals in Photonics II
edited by , and Tiegang Lin
submission deadline 20 Sep 2025 | 3 articles | Viewed by 4258 | 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)
Nonlinear Optical Phenomena in Rare Earth Doped Crystals
edited by Huanrong Fan, Faizan Raza and
submission deadline 20 Sep 2025 | 1 articles | Viewed by 2160 | Submission Open
Keywords: nonlinear optics; quantum optics; rare-earth-doped crystals; luminous micro-/nano-materials; rare-earth-doped single-particle crystals; photonics; information optics; nonlinear quantum optics; the interaction between lasers and matter; pulsed lasers
(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 Sep 2025 | 1 articles | Viewed by 1024 | 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)
Research, Development and Application of Raman Scattering Technology
edited by Haisheng Su and
submission deadline 27 Sep 2025 | 7 articles | Viewed by 6746 | Submission Open
Keywords: surface-enhanced and tip-enhanced Raman spectroscopy; coherent Raman spectroscopy; resonance Raman spectroscopy; biological applications of Raman spectroscopy; theoretical and computational advances in Raman spectroscopy; Raman sensing; Raman optical activity
(This special issue belongs to the Section Optical Interaction Science)
Advances and Applications of Laser Measurements
edited by Cheng Lu
submission deadline 28 Sep 2025 | 2 articles | Viewed by 3551 | Submission Open
Keywords: laser measurement; interferometry; LiDAR; optical metrology; spectral analysis; structured-light
(This special issue belongs to the Section Lasers, Light Sources and Sensors)
Photonics Metamaterials: Processing and Applications
edited by Feng Cheng and Yao Wang
submission deadline 30 Sep 2025 | 15 articles | Viewed by 14902 | Submission Open
Keywords: metamaterials; nanofabrication; plasmonics; photonic device; imaging
(This special issue belongs to the Section Optoelectronics and Optical Materials)
Research on Rare-Earth-Doped Fiber Lasers
edited by Nasser Peyghambarian and Xiushan Zhu
submission deadline 30 Sep 2025 | 4 articles | Viewed by 7440 | Submission Open
Keywords: fiber lasers; rare-earth-doped fibers; continuous-wave fiber lasers; pulsed fiber lasers; mode-locked fiber lasers; visible fiber lasers; upconversion fiber lasers; mid-infrared fiber lasers; fiber-laser-pumped nonlinear conversion lasers; single-frequency fiber lasers; multicore fiber lasers; phosphate fiber lasers; germanate fiber lasers; fluoride fiber lasers; chalcogenide fiber lasers
(This special issue belongs to the Section Lasers, Light Sources and Sensors)
Thermal Radiation and Micro-/Nanophotonics
edited by and
submission deadline 30 Sep 2025 | 6 articles | Viewed by 4516 | Submission Open
Keywords: nanostructures; metamaterials; micro/nano-optics; plasmonics; applications of micro/nano-optics
Distributed Optical Fiber Sensing Technology
edited by Fei Liu and Yi Shi
submission deadline 30 Sep 2025 | 3 articles | Viewed by 4213 | Submission Open
Keywords: distributed optical fiber sensors; optical time-domain reflectometry; optical frequency-domain reflectometry; spatial resolution; sensing range; modulation/demodulation; signal processing
Advances in Solid-State Laser Technology and Applications
edited by Zhen Qiao
submission deadline 30 Sep 2025 | 5 articles | Viewed by 3036 | Submission Open
Keywords: solid-state lasers; high-power lasers; pulsed lasers; laser materials; structured light laser; materials processing; laser medical treatment; laser metrology; information processing; quantum optics
(This special issue belongs to the Section Lasers, Light Sources and Sensors)
Emerging Trends in Fiber Optic Sensing
edited by Haiyang Wang and Guowen An
submission deadline 30 Sep 2025 | 1 articles | Viewed by 2546 | Submission Open
Keywords: fiber sensing; distribued fiber sensing; optical sensing; laser sensing; signal processing; grating-based sensors; manufacturing of sensor devices; structural helath monitoring; temperature/pressure /acoustic/strain sensors; applications of sensors
(This special issue belongs to the Section Lasers, Light Sources and Sensors)
Innovative Optical Sensing—Materials, Devices and Applications
edited by Ning Li and
submission deadline 30 Sep 2025 | 1 articles | Viewed by 1445 | Submission Open
Keywords: optical sensing; semiconductors; solution-processable devices; detectors; optoelectronic performances; photoresponse spectrum; multifunctional optoelectronics
(This special issue belongs to the Section Optoelectronics and Optical Materials)
Advanced Research in Quantum Optics
edited by
submission deadline 30 Sep 2025 | 2 articles | Viewed by 1404 | Submission Open
Keywords: quantum optics; quantum sensing; quantum network
(This special issue belongs to the Section Quantum Photonics and Technologies)
Advances in Free-Space Optical Communications
edited by and Jian Huang
submission deadline 30 Sep 2025 | 1 articles | Viewed by 1393 | Submission Open
Keywords: free space optical communication; acquisition; tracking and pointing; laser propagation; adaptive optics; free space optical network
(This special issue belongs to the Section Optical Communication and Network)
Advances in Optical Imaging
edited by , and Francisco Misael Munõz-Pérez
submission deadline 30 Sep 2025 | 1 articles | Viewed by 1199 | Submission Open
Keywords: diffraction optical elements (DOEs); imaging techniques; three-dimensional imaging; virtual reality and augmented reality; optical microscopy; computational optical imaging; digital holography; meta-surfaces for imaging and display; coherent diffraction; phase contrast and computational imaging; holography and Fourier optics; optical coherence tomography; adaptive optics; confocal microscopy; image processing; laser scanning imaging; fluorescence imaging; confocal microscopy 
Biophotonics in Medical, Diagnosis, Health Monitoring, and Environmental Applications
edited by Kehao Zhao and
submission deadline 30 Sep 2025 | 1 articles | Viewed by 1160 | Submission Open
Keywords: immunophotonics; neurophotonics; optogenetics; photonics in cardiology; ophthalmic technologies
Novel Developments in Optoelectronic Materials and Devices
edited by
submission deadline 30 Sep 2025 | 1 articles | Viewed by 821 | Submission Open
Keywords: optoelectronic materials; advanced photonic devices; perovskite semiconductors; flexible electronics; sustainable optoelectronics; metamaterials; metasurface
(This special issue belongs to the Section Optoelectronics and Optical Materials)
Research and Applications of Optical Fibers
edited by
submission deadline 30 Sep 2025 | 1 articles | Viewed by 681 | Submission Open
Keywords: active fiber; single-mode fiber; multimode fiber; optical fiber device; optical fiber communication; optical fiber sensing; optical fiber transmittance; laser amplification; photonic crystal fiber; nonlinear fiber and application
(This special issue belongs to the Section Optoelectronics and Optical Materials)
Photodetectors for Next-Generation Imaging and Sensing Systems
edited by
submission deadline 30 Sep 2025 | 1 articles | Viewed by 671 | Submission Open
Keywords: photodetectors; two-dimensional materil; imaging technique; sensing system; laser technology
(This special issue belongs to the Section Optoelectronics and Optical Materials)
Optical Wireless Communications for 3D Ubiquitous Intelligent 6G Networks and Beyond
edited by , and Chedlia Ben Naila
submission deadline 30 Sep 2025 | Viewed by 609 | Submission Open
Keywords: optical wireless communications; underwater optical wireless communications; visible light communications and LiFi; vehicular optical wireless communications
(This special issue belongs to the Section Optical Communication and Network)
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