Material-induced bianisotropy of hybrid metal-dielectric particles for the composition of metasurfaces with quasi-BIC resonances

Mariia Poleva; Andrey Evlyukhin

doi:10.1117/12.3017517

6 June 2024 Material-induced bianisotropy of hybrid metal-dielectric particles for the composition of metasurfaces with quasi-BIC resonances

Mariia Poleva, Andrey Evlyukhin

Author Affiliations +

Proceedings Volume PC12990, Metamaterials XIV; PC129901R (2024) https://doi.org/10.1117/12.3017517
Event: SPIE Photonics Europe, 2024, Strasbourg, France

Conference Poster

Abstract

We study the optical properties of hybrid silicon-gold nanocylinders and show that the internal material inhomogeneity can lead to their strong bianisotropic response associated with the distortion of their symmetric properties. The spectral response of the metasurfaces composed of such particles can have narrow resonance features associated with resonant multipole coupling and excitation of quasi-BIC states. We demonstrate that the metasurface resonant features are accompanied by the field enhancement in the metasurface plane and strongly depend on the polarization of the incident waves. The latter circumstance makes it possible to implement switching control of the resonant response of metasurfaces by changing the polarization of the incident wave.

Citation Download Citation

Mariia Poleva and Andrey Evlyukhin "Material-induced bianisotropy of hybrid metal-dielectric particles for the composition of metasurfaces with quasi-BIC resonances", Proc. SPIE PC12990, Metamaterials XIV, PC129901R (6 June 2024); https://doi.org/10.1117/12.3017517

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