Low-pass features of optical nano-filters constituted by simple layered structures

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Low-pass filtering in the nanoscale is a significant procedure that has recently attracted considerable attention due to the upsurge of state-of-the-art nanophotonic applications. In this work, two consecutive dielectric layers with specific permittivity combination and certain size ratio are found to exhibit good performance as a low-pass filter in the visible and at the nano-frequencies. Despite its simplicity, the device retains a satisfying stability in terms of total transmission at the low frequencies; simultaneously, it is impenetrable for signals containing higher frequencies and is characterized by a lack of electromagnetic resonances. Several graphs verify these beneficial features of the structure and further conclusions related to its operation and functionality are obtained.

Original languageEnglish
Pages (from-to)2099-2106
Number of pages8
JournalMicrowave and Optical Technology Letters
Volume55
Issue number9
DOIs
Publication statusPublished - Sep 2013
Externally publishedYes

Fingerprint

Nanophotonics
low pass filters
Low pass filters
Permittivity
permittivity
electromagnetism
low frequencies
filters

Keywords

  • electromagnetic resonance
  • low-pass filter
  • optical nanocircuit

ASJC Scopus subject areas

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

Cite this

Low-pass features of optical nano-filters constituted by simple layered structures. / Valagiannopoulos, Constantinos A.; Sihvola, Ari.

In: Microwave and Optical Technology Letters, Vol. 55, No. 9, 09.2013, p. 2099-2106.

Research output: Contribution to journalArticle

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