Investigation of defect modes in a defective photonic crystal with a semiconductor metamaterial defect

Meng Ru Wu, Chien Jang Wu, Shoou Jinn Chang

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

In this work, we theoretically investigate the properties of defect modes in a defective photonic crystal containing a semiconductor metamaterial defect. We consider the structure, (LH)N/DP/(LH)N, where N and P are respectively the stack numbers, L is SiO2, H is InP, and defect layer D is a semiconductor metamaterial composed of Al-doped ZnO (AZO) and ZnO. It is found that, within the photonic band gap, the number of defect modes (transmission peaks) will decrease as the defect thickness increases, in sharp contrast to the case of using usual dielectric defect. The peak height and position can be changed by the variation in the thickness of defect layer. In the angle-dependent defect mode, its position is shown to be blue-shifted as the angle of incidence increases for both TE and TM waves. The analysis of defect mode provides useful information for the design of tunable transmission filter in semiconductor optoelectronics.

Original languageEnglish
Pages (from-to)146-151
Number of pages6
JournalPhysica E: Low-Dimensional Systems and Nanostructures
Volume64
DOIs
Publication statusPublished - 2014 Nov

Keywords

  • Metamaterials
  • Photonic crystals
  • Semiconductors
  • Wave properties

ASJC Scopus subject areas

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

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