Plasmonics and Metamaterials

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

Deadline for manuscript submissions: closed (10 April 2025) | Viewed by 1573

Special Issue Editor


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Guest Editor
Science and Technology on Electromagnetic Scattering Laboratory, Beijing, China
Interests: spoof surface plasmons; terahertz radiation sources; electron beam; metasurface; metalens; RCS reduction; polarization control; meta-retro-reflector

Special Issue Information

Dear Colleagues,

As one of the most important areas of disruptive science and technology, plasmonics and metamaterials have aroused tremendous attention and have also had a significant impact on various disciplines. Due to its first abnormal enhanced transmission in 1998 in the optical spectrum, plasmonics has since become one of the most important research aspects in modern optics and photonics. Particularly, the well-known “Spoof” plasmonics in the low-frequency band, including microwaves and Terahertz, has also aroused on-going attention and has become a fast-growing field since 2004.

Due to its many advantages such as sub-wavelength field confinement, enhanced near-field effect, enhanced light–matter interactions and arbitrary dispersion manipulations and so on, surface plasma polaritons (SPPs) and spoof SPP (SSP) provide an exciting platform to develop a series of functional devices and systems like novel antennas, filters, waveguides and circuits, sensors, splitters, active plasmonic devices, lenses and many more.

This Special Issue invites manuscripts that document the recent advances in “Plasmonics and Metamaterials”. We are pleased to invite you submit a manuscript discussing theory, experimental results and applications in wide spectrums ranging from optical to microwave bands.

Dr. Yongqiang Liu
Guest Editor

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Keywords

  • surface plasmon polaritons
  • spoof surface plasmon polaritons
  • filters
  • antennas
  • passive and active devices
  • metasurface
  • RCS reduction
  • metalens

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Published Papers (1 paper)

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Research

14 pages, 5213 KiB  
Article
Numerical Verification of a Polarization-Insensitive Electrically Tunable Far Infrared Band-Stop Meta-Surface Filter
by Zheng Li, Yuying Lu, Yichi Han, Hanjie Li, Zhenqi Niu, Xiaomin Liu, Chaoyang Wei and Jianda Shao
Photonics 2024, 11(11), 1016; https://doi.org/10.3390/photonics11111016 - 29 Oct 2024
Viewed by 1136
Abstract
Tunable filters have many potential applications in diverse fields, including high-capacity communications, dynamic beam shaping and spectral imaging. Although providing a high-performance solution for actively tunable devices, metasurface combined with tunable materials faces the great challenges of limited tuning range and modulation depth. [...] Read more.
Tunable filters have many potential applications in diverse fields, including high-capacity communications, dynamic beam shaping and spectral imaging. Although providing a high-performance solution for actively tunable devices, metasurface combined with tunable materials faces the great challenges of limited tuning range and modulation depth. Here, we propose a far-infrared tunable band-stop filter based on Fabry-Perot (FP) resonators and graphene surface plasmons. By switching the wavelength of the critical coupling condition of the filter via the gate voltage applied on graphene, achieving the dynamically tunable band-stop filtering at the central wavelengths from 12.4 μm to 14.1 μm with a modulation depth of more than 99%. Due to the symmetry of the proposed meta-atoms, the filter is insensitive to the polarization direction of the incident light. And it can realize more than 85% filtering efficiency within 60° angle of incidence around the vertical direction. By adjusting the geometry of the meta-atoms structure, it is feasible to move the operational range from the near-infrared to terahertz bands. Full article
(This article belongs to the Special Issue Plasmonics and Metamaterials)
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