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Photonics
Special Issues
Recent Advances in Optical Metamaterials and Metasurfaces
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Recent Advances in Optical Metamaterials and Metasurfaces

A special issue of Photonics (ISSN 2304-6732). This special issue belongs to the section "Optoelectronics and Optical Materials".

Deadline for manuscript submissions: closed (30 June 2024) | Viewed by 2922

Special Issue Editors

Dr. Yeming Qing

E-Mail Website
Guest Editor
College of Electronic and Optical Engineering & College of Flexible Electronics (Future Technology), Nanjing University of Posts and Telecommunications, Nanjing 210023, China
Interests: nanophotonics; light-matter interactions; plasmonics; metamaterials/metasurfaces; 2D materials
Dr. Yunxia Wang

E-Mail Website
Guest Editor
Jiangsu Key Laboratory of Advanced Laser Materials and Devices, School of Physics and Electronic Engineering, Jiangsu Normal University, Xuzhou 221116, China
Interests: surface plasmons; optical materials; laser micro-nano fabrication

Special Issue Information

Dear Colleagues,

Although man-made composite electromagnetic materials have been studied for more than one-hundred years, it was not until the beginning of the 21st century that the term “metamaterials” became a part of the photonics nomenclature. Since then, intensive research efforts have been devoted to the study and fabrication of such complex artificial engineered structures. While these efforts were initially fueled by the material property requirements of various theoretical predictions—such as negative-index perfect lenses or transformation-optics based cloaks—recent trends have shown that the field of metamaterials has much more to offer other than simply to satisfy the hunger for exotic optical properties. In this regard, metamaterials have proven to be a versatile tool to enable next-generation photonic technologies.

This Special Issue invites manuscripts that introduce recent advances in the area of “Optical Metamaterials and Metasurfaces”. All theoretical, numerical, and experimental papers are accepted. Topics include, but are not limited to, the following:

  • Reconfigurable and programmable metamaterials and metasurfaces;
  • Quantum and superconducting metamaterials;
  • Metamaterials for nanoelectronics, nanophotonics and nanoantennas;
  • Nonlinear metamaterials and metasurfaces;
  • Tunable metamaterials and metasurfaces;
  • Space–time modulated metamaterials;
  • Chiral, toroidal and magneto-optic metamaterials;
  • Nonreciprocal and topological metamaterials;
  • 2D materials and metamaterials;
  • Analytical and numerical modeling of metamaterials and metasurfaces;
  • Fabrication and experimental characterization of metamaterials.

Dr. Yeming Qing
Dr. Yunxia 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
  • metasurfaces
  • metadevices
  • space–time modulation
  • nonreciprocal photonics
  • nanoantennas
  • quantum metamaterials
  • topological physics

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Published Papers (2 papers)

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Research

13 pages, 2843 KiB  
Article
Asymmetrical Three-Dimensional Conformal Imaging Lens
by Desen Gong, Yixiao Ge, Wen Xiao and Huanyang Chen
Photonics 2024, 11(6), 543; https://doi.org/10.3390/photonics11060543 - 7 Jun 2024
Viewed by 989
Abstract
Absolute instrument refers to a media that can make light rays to propagate in a closed orbit and perform imaging and self-imaging. In the past few decades, traditional investigations into absolute instrument have been centered on the two-dimensional plane and rotational symmetry situations, [...] Read more.
Absolute instrument refers to a media that can make light rays to propagate in a closed orbit and perform imaging and self-imaging. In the past few decades, traditional investigations into absolute instrument have been centered on the two-dimensional plane and rotational symmetry situations, and have paid less attention to three-dimensional counterparts. In this article, we design two types of three-dimensional non-spherically symmetric absolute instruments based on conformal inverse transformation, which originated from the three-dimensional Luneburg lens and Lissajous lens. We carry out ray tracing on the optical performance of these new lenses and analyze the imaging laws. Our work enlarges the family of absolute instruments from two dimensions to three dimensions and symmetry to asymmetry, which may allow for imaging applications in optical waves. Full article
(This article belongs to the Special Issue Recent Advances in Optical Metamaterials and Metasurfaces)
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12 pages, 4755 KiB  
Article
Five-Band Tunable Terahertz Metamaterial Absorber Using Two Sets of Different-Sized Graphene-Based Copper-Coin-like Resonators
by Jieru Wang, Xuefeng Qin, Qian Zhao, Guiyuan Duan and Ben-Xin Wang
Photonics 2024, 11(3), 225; https://doi.org/10.3390/photonics11030225 - 29 Feb 2024
Cited by 1 | Viewed by 1376
Abstract
In this paper, a five-band metamaterial absorber with a tunable function in a terahertz band is proposed, which consists of a gold grounding layer, a polyimide dielectric layer, and a periodic patterned graphene layer. The patterned graphene layer is constructed from two sets [...] Read more.
In this paper, a five-band metamaterial absorber with a tunable function in a terahertz band is proposed, which consists of a gold grounding layer, a polyimide dielectric layer, and a periodic patterned graphene layer. The patterned graphene layer is constructed from two sets of copper-coin-shaped structures of different sizes. The designed absorber achieves absorptions of 96.4%, 99.4%, 99.8%, 98.4%, and 99.9% at 4.62 THz, 7.29 THz, 7.70 THz, 8.19 THz, and 8.93 THz, respectively, with an average absorption intensity of 98.78%. The physical mechanism of this five-band absorber was explained by the impedance matching principle and electric field distribution. The absorption performance of the five-band absorber can be effectively tuned by changing the geometry of the patterned graphene array and the thickness of the dielectric layer. Given that the resonant frequency of the absorber varies in proportion to the Fermi level, by varying the Fermi level of the graphene hypersurface, we can achieve the continuous tuning of the absorption performance over a wide frequency range. The five-band absorber has a stable absorption performance over a wide incidence angle of 0–65°, and by combining the merits of high absorption, dynamic adjustability, and a large number of absorption peaks, the given absorber could have great potential for applications in nondestructive testing, imaging, communication, sensing, and detectors. Full article
(This article belongs to the Special Issue Recent Advances in Optical Metamaterials and Metasurfaces)
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