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Multimode directionality in all-dielectric metasurfaces

Yang, Yuanqing; Miroshnichenko, Andrey; Kostinski, Sarah; Odit, Mikhail; Kapitanova, Polina; Qiu, Min; Kivshar, Yuri

Description

We demonstrate that spectrally diverse multiple magnetic dipole resonances can be excited in all-dielectric structures lacking rotational symmetry, in contrast to conventionally used spheres, disks, or spheroids. Such multiple magnetic resonances arise from hybrid Mie-Fabry-Perot modes, and can constructively interfere with induced electric dipole moments, thereby leading to novel multifrequency unidirectional scattering. Here we focus on elongated dielectric nanobars, whose magnetic resonances...[Show more]

CollectionsANU Research Publications
Date published: 2017
Type: Journal article
URI: http://hdl.handle.net/1885/198343
Source: Physical Review B: Condensed Matter and Materials
DOI: 10.1103/PhysRevB.95.165426
Access Rights: Open Access

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