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Crystals 2016, 6(9), 111; doi:10.3390/cryst6090111

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

1
Department of Physics E. Pancini, University of Naples Federico II, via Cintia, 80126 Naples, Italy
2
Istituto Nazionale di Ottica (INO) Consiglio Nazionale delle Ricerche; via Campi Flegrei 34, 80078 Pozzuoli, Italy
3
Istituto SPIN Consiglio Nazionale delle Ricerche; via Cintia, 80126 Napoli, Italy
Current address: Istituto di Biochimica delle Proteine, Consiglio Nazionale delle Ricerche, Via Pietro Castellino 111, 80131 Napoli, Italy
*
Authors to whom correspondence should be addressed.
Academic Editors: Enrique Maciá Barber and Helmut Cölfen
Received: 17 June 2016 / Revised: 25 August 2016 / Accepted: 5 September 2016 / Published: 8 September 2016
(This article belongs to the Special Issue Structure and Properties of Quasicrystals 2016)
View Full-Text   |   Download PDF [5742 KB, uploaded 8 September 2016]   |  

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. View Full-Text
Keywords: quasicrystals; photonic bandgap; defect-free localized mode quasicrystals; photonic bandgap; defect-free localized mode
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Zito, G.; Rusciano, G.; Sasso, A.; De Nicola, S. Symmetry-Induced Light Confinement in a Photonic Quasicrystal-Based Mirrorless Cavity. Crystals 2016, 6, 111.

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