A mid-infrared tunable filter in a semiconductordielectric photonic crystal containing doped semiconductor defect

Hui Chuan Hung, Chien Jang Wu, Shoou Jinn Chang

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

In this work, we theoretically analyze tunable filtering properties in a semiconductordielectric photonic crystal (SDPC) containing doped semiconductor defect in the mid-infrared frequency region. We consider two possible configurations of filter structures, the symmetric and asymmetric ones. With a defect of the doped n-type semiconductor, n-Si, the resonant transmission peak can be tuned by varying the doping concentration, that is, the peak wavelength will be shifted to the position of lower wavelength for both structures. Additionally, by increasing the defect thickness, it is also possible to have a filter with multiple resonant peaks, leading to a multichannel filter. The results provide another type of tunable filter in the defective SDPC that could be of technical use for semiconductor applications in optical electronics.

Original languageEnglish
Pages (from-to)1677-1680
Number of pages4
JournalSolid State Communications
Volume151
Issue number22
DOIs
Publication statusPublished - 2011 Nov 1

Fingerprint

tunable filters
Crystal defects
Photonic crystals
doped crystals
photonics
Semiconductor materials
Infrared radiation
filters
Wavelength
Defects
defects
n-type semiconductors
Electronic equipment
Doping (additives)
wavelengths
configurations
electronics
crystals

Keywords

  • A. Photonic crystals
  • A. Semiconductors
  • D. Wave properties

ASJC Scopus subject areas

  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry

Cite this

A mid-infrared tunable filter in a semiconductordielectric photonic crystal containing doped semiconductor defect. / Hung, Hui Chuan; Wu, Chien Jang; Chang, Shoou Jinn.

In: Solid State Communications, Vol. 151, No. 22, 01.11.2011, p. 1677-1680.

Research output: Contribution to journalArticle

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