Color Routing via Cross-Polarized Detuned Plasmonic Nanoantennas in Large-Area Metasurfaces.

ABSTRACT: Bidirectional nanoantennas are of key relevance for advanced functionalities to be implemented at the nanoscale and, in particular, for color routing in an ultracompact flat-optics configuration. Here we demonstrate a novel approach avoiding complex collective geometries and/or restrictive morphological parameters based on cross-polarized detuned plasmonic nanoantennas in a uniaxial (quasi-1D) bimetallic configuration. The nanofabrication of such a flat-optics system is controlled over a large area (cm²) by a novel self-organized technique exploiting ion-induced nanoscale wrinkling instability on glass templates to engineer tilted bimetallic nanostrip dimers. These nanoantennas feature broadband color routing with superior light scattering directivity figures, which are well des

SUBMITTER: Barelli M 

PROVIDER: S-EPMC7735747 | biostudies-literature | 2020 Jun

REPOSITORIES: biostudies-literature