Plasmonic metasurfaces

H. H. Hsiao, D. P. Tsai

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Plasmonic metasurfaces have opened a whole new paradigm for controlling electromagnetic waves in unprecedented ways, intriguing various novel optical effects and applications not achievable using natural materials or traditional optical devices. Gradient metasurfaces with a spatially varying phase response covering the entire 2p range are one of the most invigorating recent advances in nanophotonics and optics, providing a new platform to mold optical wavefronts into arbitrary shapes with subwavelength resolution. We first described the state-of-the-art plasmonic metasurfaces and separated them into four categories according to the technique utilized in phase modulation. Starting from the mechanisms using geometric effect such as multiresonance and gap-plasmonic metasurfaces, Pancharatnam-Berry phase metasurfaces, on the other hand, rely on the variation of orientation angles of scatterers with identical geometry. The recent progress in Huygen’s metasurfaces is especially promising for high-efficient transmitted applications. In addition to anomalous refraction and reflection demonstrated by these metasurfaces, an overview of their applications in polarization conversion as well as in wavefront shaping is discussed.

Original languageEnglish
Title of host publicationEncyclopedia of Interfacial Chemistry
Subtitle of host publicationSurface Science and Electrochemistry
PublisherElsevier
Pages585-593
Number of pages9
ISBN (Electronic)9780128098943
ISBN (Print)9780128097397
DOIs
Publication statusPublished - 2018 Jan 1

Keywords

  • Holography
  • Huygen’s surface
  • Metahologram
  • Metalens
  • Metasurfaces
  • Nanoantennas
  • Pancharatnam-Berry phase
  • Plasmonics
  • Wave plate

ASJC Scopus subject areas

  • Chemistry(all)

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