Near-infrared multichannel filter in a finite semiconductor metamaterial photonic crystal

Meng Ru Wu, Jia Ren Chang Chien, Chien-Jang Wu, Shoou Jinn Chang

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

A near-infrared (NIR) multichannel filter based on the use of a finite 1-D semiconductor metamaterial (MTM) photonic crystal (PC) is proposed. We consider a PC air/(AB) N /air, where N is the stack number, A is a dielectric layer, and B is a semiconductor MTM made of Al-doped ZnO (AZO) and ZnO. Resonant transmission peaks can be found in the frequency region where the permittivity of AZO/ZnO is negative. It is found that the channel number is equal to N-1 for a given N and that resonant channels are located in a passband of the photonic band structure. Additionally, the channel positions are tunable, i.e., they can be tuned by the thicknesses of A and B, the filling factor of AZO, and the incidence angle as well. The design of NIR tunable multichannel filter is of technical use for semiconductor optoelectronics.

Original languageEnglish
Article number7378826
JournalIEEE Photonics Journal
Volume8
Issue number1
DOIs
Publication statusPublished - 2016 Feb 1

Fingerprint

Metamaterials
Photonic crystals
photonics
Semiconductor materials
Infrared radiation
filters
crystals
air
Air
Optoelectronic devices
Band structure
Photonics
Permittivity
incidence
permittivity

Keywords

  • Metamaterial
  • Multichannel filter
  • Photonic crystal (PC)
  • Semiconductor

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

Cite this

Near-infrared multichannel filter in a finite semiconductor metamaterial photonic crystal. / Wu, Meng Ru; Chien, Jia Ren Chang; Wu, Chien-Jang; Chang, Shoou Jinn.

In: IEEE Photonics Journal, Vol. 8, No. 1, 7378826, 01.02.2016.

Research output: Contribution to journalArticle

Wu, Meng Ru ; Chien, Jia Ren Chang ; Wu, Chien-Jang ; Chang, Shoou Jinn. / Near-infrared multichannel filter in a finite semiconductor metamaterial photonic crystal. In: IEEE Photonics Journal. 2016 ; Vol. 8, No. 1.
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