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

Year: 2016

Authors: Zito G., Rusciano G., Sasso A., De Nicola S.

Autors Affiliation: Univ Naples Federico II, Dept Phys E Pancini, Via Cintia, I-80126 Naples, Italy;‎ CNR, INO, Via Campi Flegrei 34, I-80078 Pozzuoli, Italy; CNR, Ist SPIN, Via Cintia, I-80126 Naples, Italy;‎ CNR, Ist Biochim Prot, Via Pietro Castellino 111, I-80131 Naples, Italy

Abstract: 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.

Journal/Review: CRYSTALS

Volume: 6 (9)      Pages from: 111-1  to: 111-9

KeyWords: quasicrystals; photonic bandgap; defect-free localized mode
DOI: 10.3390/cryst6090111

Citations: 3
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