Electro-Optic Modulation in Polycrystalline Barium Titanate Metasurfaces Enhanced by Poling

Eleni Prountzou, Helena C. Weigand, Virginia Falcone +2

Electrically tunable metasurfaces leveraging the strong Pockel's effect in barium titanate (BaTiO${}_3$ or BTO) are a promising platform for reconfigurable free-space optical devices…