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.


Journal Details

This article was published in the following journal.

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


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