用十字形Mie谐振器实现四极模式的全介电完美吸收

2021 26th Microoptics Conference (MOC) Pub Date : 2021-09-26 DOI:10.23919/MOC52031.2021.9598110

Rongyang Xu, J. Takahara

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引用次数: 0

摘要

为了克服超薄层的吸收极限，可以基于简并临界耦合实现偶极子模式的全介质完美吸收。在这里，我们从理论上提出了一个在可见区域的四极模式的十字形硅完美吸收器，并证明了简并临界耦合适用于高阶模式。

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All-Dielectric Perfect Absorber of Quadrupole Modes by using Cross-Shaped Mie Resonators

To overcome the absorption limit of an ultra-thin layer, all-dielectric perfect absorbers of dipole modes can be realized based on degenerate critical coupling. Here, we propose theoretically a cross-shaped silicon perfect absorber of quadrupole modes in the visible region and demonstrate that the degenerate critical coupling applies to higher-order modes.

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2021 26th Microoptics Conference (MOC)

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