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.
Maria G. Barsukova, Alexander S. Shorokhov, Alexander I. Musorin, and Andrey A. Fedyanin, "Enhanced magneto-optical effects in dielectric Mie-resonant metasurfaces," Proc. SPIE 10671, Metamaterials XI, 106711W (Presented at SPIE Photonics Europe: April 26, 2018; Published: 7 May 2018); https://doi.org/10.1117/12.2306961.
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