7 May 2018 Enhanced magneto-optical effects in dielectric Mie-resonant metasurfaces
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Abstract
The concept of the rapidly developing area of high-index resonant meta-optics is extended to the field of mag- netically active materials. We numerically analyze magneto-optical response of hybrid nickel-silicon (Ni/Si) nanoantennas in comparison with an all-dielectric analog based on the bismuth substituted iron yttrium garnet- silicon (Bi:YIG/Si) nanoantennas. The results demonstrate the multifold enhancement of the magneto-optical effects due to the Mie-type resonances excitation in the structure. To further optimize the magneto-optical re- sponse and achieve a significant enhancement of the effect, the metasurfaces composed of Ni/Si nanoantennas of the different shape and configuration are numerically simulated. The magneto-optical effects can be significantly enhanced by means of the specific design of these hybrid metasurfaces.
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Maria G. Barsukova, Maria G. Barsukova, Alexander S. Shorokhov, Alexander S. Shorokhov, Alexander I. Musorin, Alexander I. Musorin, Andrey A. Fedyanin, Andrey A. Fedyanin, } "Enhanced magneto-optical effects in dielectric Mie-resonant metasurfaces", Proc. SPIE 10671, Metamaterials XI, 106711W (7 May 2018); doi: 10.1117/12.2306961; https://doi.org/10.1117/12.2306961
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