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Photonics
Special Issues
Photonics Metamaterials: Processing and Applications
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Photonics Metamaterials: Processing and Applications

A special issue of Photonics (ISSN 2304-6732).

Deadline for manuscript submissions: 20 June 2025 | Viewed by 1569

Special Issue Editors

Dr. Feng Cheng

E-Mail Website
Guest Editor
Department of Electrical and Computer Engineering, Northeastern University, Boston, MA 02115, USA
Interests: metamaterials; machine learning; nanophotonics; plasmonics; optics
Special Issues, Collections and Topics in MDPI journals
Dr. Yao Wang

E-Mail Website
Guest Editor
Vaziri Laboratory, The Rockefeller University, New York, NY 10065, USA
Interests: two-photon microscopy; femtosecond laser; signal processing; laser surgery

Special Issue Information

Dear Colleagues,

Over the past two decades, photonic metamaterials have rapidly emerged as a transformative technology with their ability to manipulate light at subwavelength scales, having the unique ability to manipulate electromagnetic waves in ways not possible with conventional materials. Their tailored optical properties include enhanced light–matter interactions, negative refraction, superlensing, and optical chirality. These unique features make metamaterials suitable for a wide range of applications, such as including imaging, sensing, and energy harvesting. The versatility of metamaterials enables the design of novel devices with unprecedented performance, offering opportunities for breakthroughs in both fundamental research and practical applications.

In this Special Issue, we aim to highlight recent advances in the processing techniques, manufacturing methods, and real-world applications of photonic metamaterials, pushing the boundaries of fundamental research and industrial application. We welcome original research articles, comprehensive reviews, and case studies from researchers, academicians, and industry experts.

Topics include, but are not limited to, the following:

  • Nanofabrication techniques for metamaterials;
  • Metamaterials for optical sensing and imaging;
  • Metamaterials for VR/AR optical systems;
  • Machine learning and AI methods in metamaterials;
  • Dynamical metamaterials for real-time control.

Dr. Feng Cheng
Dr. Yao Wang
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Photonics is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • metamaterials
  • nanofabrication
  • plasmonics
  • photonic device
  • imaging

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Published Papers (2 papers)

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Research

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11 pages, 6125 KiB  
Communication
Localized Effects in Graphene Oxide Systems: A Pathway to Hyperbolic Metamaterials
by Grazia Giuseppina Politano
Photonics 2025, 12(2), 121; https://doi.org/10.3390/photonics12020121 - 29 Jan 2025
Viewed by 430
Abstract
Graphene oxide (GO) has emerged as a carbon-based nanomaterial providing a different pathway to graphene. One of its most notable features is the ability to partially reduce it, resulting in graphene-like sheets through the elimination of oxygen-including functional groups. In this paper, the [...] Read more.
Graphene oxide (GO) has emerged as a carbon-based nanomaterial providing a different pathway to graphene. One of its most notable features is the ability to partially reduce it, resulting in graphene-like sheets through the elimination of oxygen-including functional groups. In this paper, the effect of localized interactions in an Ag/GO/Au multilayer system was studied to explore its potential for photonic applications. GO was dip-coated onto magnetron-sputtered silver, followed by the deposition of a thin gold film to form an Ag/GO/Au structure. Micro-Raman Spectroscopy, SEM and Variable Angle Ellipsometry (VASE) measurements were performed on the Ag/GO/Au structure. An interesting behavior of the GO deposited on magnetron-sputtered silver with the formation of Ag nanostructures on top of the GO layer is reported. In addition to typical GO bands, Micro-Raman analysis reveals peaks such as the 1478 cm−1 band, indicating a transition from sp3 to sp2 hybridization, confirming the partial reduction of GO. Additionally, calculations based on effective medium theory (EMT) highlight the potential of Ag/GO structures in hyperbolic metamaterials for photonics. The medium exhibits dielectric behavior up to 323 nm, transitions to type I HMM between 323 and 400 nm and undergoes an Epsilon Near Zero and Pole (ENZP) transition at 400 nm, followed by type II HMM behavior. Full article
(This article belongs to the Special Issue Photonics Metamaterials: Processing and Applications)
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Review

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17 pages, 4369 KiB  
Review
Metasurface-Enabled Microphotonic Biosensors via BIC Modes
by Francesco Dell’Olio
Photonics 2025, 12(1), 48; https://doi.org/10.3390/photonics12010048 - 8 Jan 2025
Viewed by 591
Abstract
Photonic biosensors based on bound states in the continuum (BIC) resonant modes exhibit a transformative potential for high-sensitivity, label-free detection across various diagnostic applications. BIC-enabled metasurfaces, utilizing dielectric, plasmonic, and hybrid structures, achieve ultra-high Q-factors and amplify target molecule interactions on functionalized sensor [...] Read more.
Photonic biosensors based on bound states in the continuum (BIC) resonant modes exhibit a transformative potential for high-sensitivity, label-free detection across various diagnostic applications. BIC-enabled metasurfaces, utilizing dielectric, plasmonic, and hybrid structures, achieve ultra-high Q-factors and amplify target molecule interactions on functionalized sensor surfaces. These unique properties result in increased refractive index sensitivity and low detection limits, essential for monitoring biomolecules in clinical diagnostics, environmental analysis, and food safety. Recent advancements in BIC-enabled metasurfaces have demonstrated ultra-low detection limits in the zeptomolar range, making these devices highly promising for real-world applications. This review paper critically discusses the design principles of BIC-based biosensors, emphasizing key factors such as material selection, structural asymmetry, and functionalization strategies that enhance both sensitivity and specificity. Additionally, recent advancements in fabrication techniques that enable precise BIC control with scalable approaches for practical biosensing applications are examined. Case studies demonstrate the effectiveness of BIC metasurfaces for real-time, low-concentration detection, highlighting their versatility and adaptability. Finally, the review discusses future challenges and opportunities, such as integration with microfluidics for point-of-care testing and multiplexed sensing, underscoring the potential of BIC-based platforms to revolutionize the field of biosensing. Full article
(This article belongs to the Special Issue Photonics Metamaterials: Processing and Applications)
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