Hybrid anapoles: Near-zero scattering States driven by high order modal interference

Авторы: Canós Valero Adrià, Gurvitz Egor A., Miroshnichenko Andrey E., Shalin Alexander S.
Сборник: American Institute of Physics Inc
Том: 2300
Год издания: 2020
Издательство: Australian Institute of Physics
Местоположение издательства: Australia
DOI: 10.1063/5.0031974
Аннотация: In recent years, the ability to manipulate both electric and magnetic components of light along with strongly reduced heat losses in comparison with plasmonics, has rendered all-dielectric nanophotonics as one of the hottest research fields in the photonics community. A plethora of exciting effects have been discovered and are currently in the process of being implemented in real-world applications. Among them, one of the most interesting are the so-called anapole states, allowing to minimize scattering from an object while keeping enhanced near fields. Here, we exploit the quasi-normal mode (QNM) formalism to discuss the origin of a novel regime, where the hybridization of four anapole states takes place in the visible region. We rigorously show that the effect is formed due to the interference of a Mie-like mode and a Fabry- Perot-like mode with the incident wave. © 2020 Author(s).
Добавил в систему: Шалин Александр Сергеевич

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