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Transition from two-dimensional photonic crystals to dielectric metasurfaces in the optical diffraction with a fine structure

We study experimentally a fine structure of the optical Laue diffraction from two-dimensional periodic photonic lattices. The periodic photonic lattices with the C(4v) square symmetry, orthogonal C(2v) symmetry, and hexagonal C(6v) symmetry are composed of submicron dielectric elements fabricated by...

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Autores principales: Rybin, Mikhail V., Samusev, Kirill B., Lukashenko, Stanislav Yu., Kivshar, Yuri S., Limonov, Mikhail F.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group 2016
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4974556/
https://www.ncbi.nlm.nih.gov/pubmed/27491952
http://dx.doi.org/10.1038/srep30773
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author Rybin, Mikhail V.
Samusev, Kirill B.
Lukashenko, Stanislav Yu.
Kivshar, Yuri S.
Limonov, Mikhail F.
author_facet Rybin, Mikhail V.
Samusev, Kirill B.
Lukashenko, Stanislav Yu.
Kivshar, Yuri S.
Limonov, Mikhail F.
author_sort Rybin, Mikhail V.
collection PubMed
description We study experimentally a fine structure of the optical Laue diffraction from two-dimensional periodic photonic lattices. The periodic photonic lattices with the C(4v) square symmetry, orthogonal C(2v) symmetry, and hexagonal C(6v) symmetry are composed of submicron dielectric elements fabricated by the direct laser writing technique. We observe surprisingly strong optical diffraction from a finite number of elements that provides an excellent tool to determine not only the symmetry but also exact number of particles in the finite-length structure and the sample shape. Using different samples with orthogonal C(2v) symmetry and varying the lattice spacing, we observe experimentally a transition between the regime of multi-order diffraction, being typical for photonic crystals to the regime where only the zero-order diffraction can be observed, being is a clear fingerprint of dielectric metasurfaces characterized by effective parameters.
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spelling pubmed-49745562016-08-12 Transition from two-dimensional photonic crystals to dielectric metasurfaces in the optical diffraction with a fine structure Rybin, Mikhail V. Samusev, Kirill B. Lukashenko, Stanislav Yu. Kivshar, Yuri S. Limonov, Mikhail F. Sci Rep Article We study experimentally a fine structure of the optical Laue diffraction from two-dimensional periodic photonic lattices. The periodic photonic lattices with the C(4v) square symmetry, orthogonal C(2v) symmetry, and hexagonal C(6v) symmetry are composed of submicron dielectric elements fabricated by the direct laser writing technique. We observe surprisingly strong optical diffraction from a finite number of elements that provides an excellent tool to determine not only the symmetry but also exact number of particles in the finite-length structure and the sample shape. Using different samples with orthogonal C(2v) symmetry and varying the lattice spacing, we observe experimentally a transition between the regime of multi-order diffraction, being typical for photonic crystals to the regime where only the zero-order diffraction can be observed, being is a clear fingerprint of dielectric metasurfaces characterized by effective parameters. Nature Publishing Group 2016-08-05 /pmc/articles/PMC4974556/ /pubmed/27491952 http://dx.doi.org/10.1038/srep30773 Text en Copyright © 2016, The Author(s) http://creativecommons.org/licenses/by/4.0/ This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/
spellingShingle Article
Rybin, Mikhail V.
Samusev, Kirill B.
Lukashenko, Stanislav Yu.
Kivshar, Yuri S.
Limonov, Mikhail F.
Transition from two-dimensional photonic crystals to dielectric metasurfaces in the optical diffraction with a fine structure
title Transition from two-dimensional photonic crystals to dielectric metasurfaces in the optical diffraction with a fine structure
title_full Transition from two-dimensional photonic crystals to dielectric metasurfaces in the optical diffraction with a fine structure
title_fullStr Transition from two-dimensional photonic crystals to dielectric metasurfaces in the optical diffraction with a fine structure
title_full_unstemmed Transition from two-dimensional photonic crystals to dielectric metasurfaces in the optical diffraction with a fine structure
title_short Transition from two-dimensional photonic crystals to dielectric metasurfaces in the optical diffraction with a fine structure
title_sort transition from two-dimensional photonic crystals to dielectric metasurfaces in the optical diffraction with a fine structure
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4974556/
https://www.ncbi.nlm.nih.gov/pubmed/27491952
http://dx.doi.org/10.1038/srep30773
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