On the Metasurface-Based Comb Filters

M. Ghasemi, M. A. Baqir, Pankaj Kumar Choudhury

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

This letter reports a new type of plasmonic metamaterial-based comb filter with the metasurface as similar to the Salusbury window, and comprised of three layers - sub-wavelength-sized periodic gold nanorods surrounded by free-space (i.e., the metasurface), silicon, and silver nanolayers. The structure yields multiple absorption peaks upon impinged by electromagnetic waves. The metasurface behaves as a comb filter - certain spectral frequencies are absorbed and the remaining ones are reflected back. The performance of filter is analyzed in UV, visible, and near infrared (NIR) regimes considering the p- and s-polarized excitations under different angles of incidence.

Original languageEnglish
Article number7409943
Pages (from-to)1100-1103
Number of pages4
JournalIEEE Photonics Technology Letters
Volume28
Issue number10
DOIs
Publication statusPublished - 15 May 2016

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Comb filters
filters
Metamaterials
Silicon
Nanorods
Silver
Gold
Electromagnetic waves
Infrared radiation
Wavelength
nanorods
electromagnetic radiation
incidence
silver
gold
silicon
wavelengths
excitation

Keywords

  • comb filter
  • Metamaterials
  • nano-sized periodic structure
  • plasmonics

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Atomic and Molecular Physics, and Optics
  • Electronic, Optical and Magnetic Materials

Cite this

On the Metasurface-Based Comb Filters. / Ghasemi, M.; Baqir, M. A.; Choudhury, Pankaj Kumar.

In: IEEE Photonics Technology Letters, Vol. 28, No. 10, 7409943, 15.05.2016, p. 1100-1103.

Research output: Contribution to journalArticle

Ghasemi, M. ; Baqir, M. A. ; Choudhury, Pankaj Kumar. / On the Metasurface-Based Comb Filters. In: IEEE Photonics Technology Letters. 2016 ; Vol. 28, No. 10. pp. 1100-1103.
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