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Asymmetric Metasurfaces with High-Q Resonances Governed by Bound States in the Continuum.

07:00 EST 9th November 2018 | BioPortfolio

Summary of "Asymmetric Metasurfaces with High-Q Resonances Governed by Bound States in the Continuum."

We reveal that metasurfaces created by seemingly different lattices of (dielectric or metallic) meta-atoms with broken in-plane symmetry can support sharp high-Q resonances arising from a distortion of symmetry-protected bound states in the continuum. We develop a rigorous theory of such asymmetric periodic structures and demonstrate a link between the bound states in the continuum and Fano resonances. Our results suggest the way for smart engineering of resonances in metasurfaces for many applications in nanophotonics and metaoptics.

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This article was published in the following journal.

Name: Physical review letters
ISSN: 1079-7114
Pages: 193903

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