Cavity Design in Woodpile Based 3D Photonic Crystals

Zheng, Xu, Taverne, Mike, Ho, Daniel and Rarity, John (2018) Cavity Design in Woodpile Based 3D Photonic Crystals. Applied Sciences, 8 (7). ISSN 2076-3417

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Official URL: http://dx.doi.org/10.3390/app8071087

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.

Item Type: Article
Uncontrolled Keywords: 3D photonic crystal, woodpile, photonic band gap, microcavity, cavity mode
Subjects: H600 Electronic and Electrical Engineering
J500 Materials Technology not otherwise specified
Department: Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User: Paul Burns
Date Deposited: 12 Sep 2019 09:36
Last Modified: 11 Oct 2019 13:04
URI: http://nrl.northumbria.ac.uk/id/eprint/40650

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