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Open AccessArticle

Cavity Design in Woodpile Based 3D Photonic Crystals

Department of Electrical and Electronic Engineering, University of Bristol, Bristol, BS8 1US, UK
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Appl. Sci. 2018, 8(7), 1087; https://doi.org/10.3390/app8071087
Received: 25 May 2018 / Revised: 25 June 2018 / Accepted: 3 July 2018 / Published: 5 July 2018
(This article belongs to the Special Issue Novel Advances in Optical Micro- and Nano-Cavities)
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. View Full-Text
Keywords: 3D photonic crystal; woodpile; photonic band gap; microcavity; cavity mode 3D photonic crystal; woodpile; photonic band gap; microcavity; cavity mode
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MDPI and ACS Style

Zheng, X.; Taverne, M.P.C.; Ho, Y.-L.D.; Rarity, J.G. Cavity Design in Woodpile Based 3D Photonic Crystals. Appl. Sci. 2018, 8, 1087.

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