Quadrumer-based dielectric metasurfaces featuring magnetic octupole resonance

Pavel D. Terekhov; Andrey B. Evlyukhin; Valentyn S. Volkov; Alexander S. Shalin; Alina Karabchevsky

doi:10.1117/12.2568945

21 August 2020 Quadrumer-based dielectric metasurfaces featuring magnetic octupole resonance

Pavel D. Terekhov, Andrey B. Evlyukhin, Valentyn S. Volkov, Alexander S. Shalin, Alina Karabchevsky

Proceedings Volume 11483, Novel Optical Systems, Methods, and Applications XXIII; 114830I (2020) https://doi.org/10.1117/12.2568945
Event: SPIE Optical Engineering + Applications, 2020, Online Only

Abstract

Dielectric nanophotonics became a hot topic during the last decade. Particularly, a lot of relevant studies were devoted to metasurfaces and their optical properties. Here we propose and numerically study the quadrumerbased silicon metasurface supporting magnetic octupole response. Specific meta-atoms allow to excite magnetic octupole moment in optical range without going beyond the diffraction limit. Comparing to a metasurface based on solid blocks of similar size, the quadrumer-based metasurface feature significant absorption enchantment and strong change of a reflection spectrum. Obtained results can be exploited in development of novel sensors, optical elements and energy harvesting devices.

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Citation Download Citation

Pavel D. Terekhov, Andrey B. Evlyukhin, Valentyn S. Volkov, Alexander S. Shalin, and Alina Karabchevsky "Quadrumer-based dielectric metasurfaces featuring magnetic octupole resonance", Proc. SPIE 11483, Novel Optical Systems, Methods, and Applications XXIII, 114830I (21 August 2020); https://doi.org/10.1117/12.2568945

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