Quadrumer-based dielectric metasurfaces featuring magnetic octupole resonance

Pavel D. Terekhov, Andrey B. Evlyukhin, Valentyn S. Volkov, Alexander S. Shalin, Alina Karabchevsky

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Dielectric nanophotonics became a hot topic during the last decade. Particularly, a lot of relevant studies were devoted to metasurfaces and their optical properties. Here we propose and numerically study the quadrumerbased silicon metasurface supporting magnetic octupole response. Specific meta-atoms allow to excite magnetic octupole moment in optical range without going beyond the diffraction limit. Comparing to a metasurface based on solid blocks of similar size, the quadrumer-based metasurface feature significant absorption enchantment and strong change of a reflection spectrum. Obtained results can be exploited in development of novel sensors, optical elements and energy harvesting devices.

Original languageEnglish
Title of host publicationNovel Optical Systems, Methods, and Applications XXIII
EditorsCornelius F. Hahlweg, Joseph R. Mulley
PublisherSPIE
ISBN (Electronic)9781510637726
DOIs
StatePublished - 1 Jan 2020
EventNovel Optical Systems, Methods, and Applications XXIII 2020 - Virtual, Online, United States
Duration: 24 Aug 20204 Sep 2020

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume11483
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

ConferenceNovel Optical Systems, Methods, and Applications XXIII 2020
Country/TerritoryUnited States
CityVirtual, Online
Period24/08/204/09/20

Keywords

  • Diffraction limit
  • Highorder multipoles
  • Magnetic octupole
  • Metasurface
  • Multipole decomposition
  • Nanostructuring
  • Oligomers
  • Quadrumers
  • Silicon photonics

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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