Cavity design in woodpile based 3D photonic crystals

Xu Zheng*, Mike P.C. Taverne, Ying Lung D. Ho, John G. Rarity

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)peer-review

4 Citations (Scopus)
291 Downloads (Pure)

Abstract

In this paper, we present a design of a three-dimensional (3D) photonic crystal (PhC) nanocavity based on an optimized woodpile structure. By carefully choosing the position of the defect at the lattice center, we can create a cavity with high symmetry which supports well confined Gaussian-like cavity modes similar to those seen in a Fabry Perot laser resonator. We could also tune the resonant frequency of the cavity and manually choose the cavity mode order by adjusting the size of the defect at a chosen position.

Original languageEnglish
Article number1087
Number of pages11
JournalApplied Sciences
Volume8
Issue number7
Early online date5 Jul 2018
DOIs
Publication statusPublished - Jul 2018

Keywords

  • 3D photonic crystal
  • Cavity mode
  • Microcavity
  • Photonic band gap
  • Woodpile

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