Metamaterials designed for enhanced ENZ properties

Matias Koivurova, Tommi Hakala, Jari Turunen, Ari T. Friberg, Marco Ornigotti, Humeyra Caglayan

Research output: Contribution to journalArticleScientificpeer-review

1 Citation (Scopus)
2 Downloads (Pure)

Abstract

We examine layered metamaterial structures consisting of alternating films of epsilon-near-zero (ENZ) and dielectric material, and show that for such a stack it is possible to enhance the refractive, reflective or absorptive properties of the ENZ. The proposed structure takes advantage of resonances from several interfaces, guided modes, and plasmon excitations to achieve the desired enhancement, and it is not an effective medium. We use analytical modeling tools to show how the different degrees of freedom affect the properties of the stack, and propose experimentally feasible parameters for such structures.

Original languageEnglish
Article number093054
Number of pages9
JournalNew Journal of Physics
Volume22
Issue number9
DOIs
Publication statusPublished - Sep 2020
Publication typeA1 Journal article-refereed

Keywords

  • epsilon-near-zero
  • metamaterial
  • multilayer structure

Publication forum classification

  • Publication forum level 2

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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