Advances in Photonic Metasurfaces and Metastructures

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Nanophotonics Materials and Devices".

Deadline for manuscript submissions: 10 August 2024 | Viewed by 1846

Special Issue Editor


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Guest Editor
Department of Electrical and Computer Engineering, University of New Mexico, Albuquerque, NM 87106-4343, USA
Interests: nanophotonics; nano-optics; photonic materials; electromagnetics
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Special Issue Information

Dear Colleagues,

Novel methodologies in metastructures and plasmonics hold great potential for the generation, manipulation, sensing, and detection of signals at the nanometer scale, presenting significant prospects across a wide range of research directions in photovoltaics, optical communications, quantum information technology, biophotonics, lighting, sensing, chemistry, and medicine. Nonetheless, primary impediments hindering fundamental advancements and the broad practical utilization of these technologies originate from intrinsic material losses in constituent plasmonic components, the absence of materials with the required optical characteristics (e.g., exceedingly high refractive index, strong anisotropy, strong and fast response to external stimuli), and challenges associated with the reproducible and cost-effective realization of nanostructures. The recent discovery of innovative materials, including those with high refractive indices, plasmonic functionality, two-dimensional and layered materials, as well as materials exhibiting low losses, tunability, and compatibility with complementary metal-oxide-semiconductor (CMOS) technology, holds the potential to bring groundbreaking transformations to the field of nanophotonics, metasurfaces, and their diverse applications.

This Special Issue aims to highlight recent advances in the areas of metastructures and plasmonics with particular emphasis on metasurfaces, subwavelength light localization, quasi-bound states and high-quality factor resonances, multipolar and resonant responses in nanostructures, and related topics. Special attention is given to research directions related to engineering scattering, topological nanophotonics and parity–time symmetry, novel nanofabrication techniques for improving material properties, and enhanced nonlinear and dynamic responses in the metastructures.

In this Special Issue, original research articles and reviews are welcome. Research areas may include (but are not limited to) the following:

  • Mie resonances and multipole excitations;
  • Bound and quasi-bound states in the continuum;
  • Two-dimensional and layered materials;
  • Plasmonic materials and metastructures based on them;
  • Directional scattering, multipole coupling, and Kerker effect;
  • Collective effects in metastructures;
  • Applications of metasurfaces and plasmonics.

We look forward to receiving your contributions.

Dr. Viktoriia Babicheva
Guest Editor

Manuscript Submission Information

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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. Nanomaterials is an international peer-reviewed open access semimonthly 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 2900 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

  • mie resonances
  • collective effects
  • multipole decomposition
  • high-refractive-index materials
  • two-dimensional materials
  • Van der Waals materials
  • bound states in the continuum
  • epsilon-near-zero materials
  • Kerker effect
  • silicon
  • hyperbolic dispersion
  • plasmonic nanostructures
  • plasmonic sensors
  • plasmon-induced energy transfer

Published Papers (2 papers)

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Research

11 pages, 5447 KiB  
Article
Quarter-Wave Plate Metasurfaces for Generating Multi-Channel Vortex Beams
by Ziheng Zhang, Manna Gu, Guosen Cui, Yuxiang Zhou, Teng Ma, Kaixin Zhao, Yunxiao Li, Chunxiang Liu, Chuanfu Cheng and Li Ma
Nanomaterials 2024, 14(4), 374; https://doi.org/10.3390/nano14040374 - 17 Feb 2024
Viewed by 670
Abstract
Metasurfaces of quarter-wave plate (QWP) meta-atoms have exhibited high flexibility and versatile functionalities in the manipulation of light fields. However, the generation of multi-channel vortex beams with the QWP meta-atom metasurfaces presents a significant challenge. In this study, we propose dielectric metasurfaces composed [...] Read more.
Metasurfaces of quarter-wave plate (QWP) meta-atoms have exhibited high flexibility and versatile functionalities in the manipulation of light fields. However, the generation of multi-channel vortex beams with the QWP meta-atom metasurfaces presents a significant challenge. In this study, we propose dielectric metasurfaces composed of QWP meta-atoms to manipulate multi-channel vortex beams. QWP meta-atoms, systematically arranged in concentric circular rings, are designed to introduce the modulations via the propagation phase and geometric phase, leading to the generation of co- and cross-polarized vortex beams in distinct channels. Theoretical investigations and simulations are employed to analyze the modulation process, confirming the capability of QWP meta-atom metasurfaces for generating the multi-channel vortex beams. This study presents prospective advancements for the compact, integrated, and multifunctional nanophotonic platforms, which have potential applications in classical physics and quantum domains. Full article
(This article belongs to the Special Issue Advances in Photonic Metasurfaces and Metastructures)
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14 pages, 4239 KiB  
Article
A Mid-Infrared Multifunctional Optical Device Based on Fiber Integrated Metasurfaces
by Weikang Yao, Qilin Zhou, Chonglu Jing and Ai Zhou
Nanomaterials 2023, 13(17), 2440; https://doi.org/10.3390/nano13172440 - 28 Aug 2023
Viewed by 934
Abstract
A metasurface is a two-dimensional structure with a subwavelength thickness that can be used to control electromagnetic waves. The integration of optical fibers and metasurfaces has received much attention in recent years. This integrated device has high flexibility and versatility. We propose an [...] Read more.
A metasurface is a two-dimensional structure with a subwavelength thickness that can be used to control electromagnetic waves. The integration of optical fibers and metasurfaces has received much attention in recent years. This integrated device has high flexibility and versatility. We propose an optical device based on fiber-integrated metasurfaces in the mid-infrared, which uses a hollow core anti-resonant fiber (HC-ARF) to confine light transmission in an air core. The integrated bilayer metasurfaces at the fiber end face can achieve transmissive modulation of the optical field emitted from the HC-ARF, and the Fano resonance excited by the metasurface can also be used to achieve refractive index (RI) sensing with high sensitivity and high figure of merit (FOM) in the mid-infrared band. In addition, we introduce a polydimethylsiloxane (PDMS) layer between the two metasurfaces; thus, we can achieve tunable function through temperature. This provides an integrated fiber multifunctional optical device in the mid-infrared band, which is expected to play an important role in the fields of high-power mid-infrared lasers, mid-infrared laser biomedicine, and gas trace detection. Full article
(This article belongs to the Special Issue Advances in Photonic Metasurfaces and Metastructures)
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