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Selective dielectric metasurfaces based on directional conditions of silicon nanopillars

AutorAlgorri, J. Francisco; García-Cámara, B.; Cuadrado, A. ; Sanchez-Pena, J. M.; Vergaz, R.
Palabras claveSilicon photonics
Metamaterials
Nanophotonics
Nanoparticles
Fecha de publicación7-jul-2017
EditorMolecular Diversity Preservation International
CitaciónNanomaterials 7: 7 (2017)
ResumenDielectric metasurfaces based on high refractive index materials have been proposed recently. This type of structure has several advantages over their metallic counterparts. In this work, we demonstrate that dielectric metasurfaces can be theoretically designed satisfying Kerker’s zero-forward condition. This is the first time that a dielectric metasurface based on this principle has been designed. A selective dielectric metasurface of silicon nanopillars is designed to work at 632.8 nm. This structure could work both as a dielectric mirror and a reject band filter. Furthermore, by scaling up the structure, it could be possible to manufacture a terahertz (THz) dielectric mirror.
Descripción7 pags., 5 figs. -- Open Access funded by Creative Commons Atribution Licence 4.0
Versión del editorhttp://doi.org/10.3390/nano7070177
URIhttp://hdl.handle.net/10261/163906
Identificadoresdoi: 10.3390/nano7070177
issn: 2079-4991
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