THz transmittance in one-dimensional superconducting nanomaterial-dielectric superlattice

Arafa H. Aly, Sang Wan Ryu, Heng Tung Hsu, Chien Jang Wu*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

112 Citations (Scopus)

Abstract

Electromagnetic wave transmission at THz in a one-dimensional superconducting metallo-dielectric superlattice has been theoretically investigated based on the transfer matrix method together with superconductor electromagnetics. The results of transmittance spectra show the existence of a cutoff frequency in such a bilayer periodic structure. Electromagnetic wave is allowed to propagate through the structure when its frequency is higher than cutoff frequency. However, it will be totally reflected at a frequency below cutoff frequency. This cutoff frequency is strongly dependent on thicknesses of the superconductor and dielectric layers, and the temperature as well. In temperature-dependent transmittance, strong oscillations can be seen at higher temperatures.

Original languageEnglish
Pages (from-to)382-384
Number of pages3
JournalMaterials Chemistry and Physics
Volume113
Issue number1
DOIs
Publication statusPublished - 2009 Jan 15

Keywords

  • Band gap
  • Photonic crystal
  • Superconductor
  • Superlattice

ASJC Scopus subject areas

  • General Materials Science
  • Condensed Matter Physics

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