Symmetry-Induced Light Confinement in a Photonic Quasicrystal-Based Mirrorless Cavity Article Swipe

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Quasicrystal Photonics Photonic crystal Dielectric Physics Symmetry (geometry) Optics Holography Electromagnetic field Field (mathematics) Optoelectronics Condensed matter physics Quantum mechanics Geometry Pure mathematics Mathematics

Gianluigi Zito , Giulia Rusciano , Antonio Sasso , Sergio De Nicola ·

YOU? · · 2016 · Open Access · · DOI: https://doi.org/10.3390/cryst6090111 · OA: W2516970109

We numerically investigate the electromagnetic field localization in a two-dimensional photonic quasicrystal generated with a holographic tiling. We demonstrate that light confinement can be induced into an air mirrorless cavity by the inherent symmetry of the spatial distribution of the dielectric scatterers forming the side walls of the open cavity. Furthermore, the propagation direction can be controlled by suitable designs of the structure. This opens up new avenues for designing photonic materials and devices.