All-dielectric magnetic metasurface for advanced light control in dual polarizations combined with high-Q resonances.

ABSTRACT: Nanostructured magnetic materials provide an efficient tool for light manipulation on sub-nanosecond and sub-micron scales, and allow for the observation of the novel effects which are fundamentally impossible in smooth films. For many cases of practical importance, it is vital to observe the magneto-optical intensity modulation in a dual-polarization regime. However, the nanostructures reported on up to date usually utilize a transverse Kerr effect and thus provide light modulation only for p-polarized light. We present a concept of a transparent magnetic metasurface to solve this problem, and demonstrate a novel mechanism for magneto-optical modulation. A 2D array of bismuth-substituted iron-garnet nanopillars on an ultrathin iron-garnet slab forms a metasurface supporting quasi-waveguid

SUBMITTER: Ignatyeva DO 

PROVIDER: S-EPMC7599251 | biostudies-literature | 2020 Oct

REPOSITORIES: biostudies-literature