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Publication - Professor John Rarity

    Cavity design in woodpile based 3D photonic crystals

    Citation

    Zheng, X, Taverne, MP, Ho, YLD & Rarity, JG, 2018, ‘Cavity design in woodpile based 3D photonic crystals’. Applied Sciences, vol 8.

    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.

    Full details in the University publications repository