Open AccessBound states in the continuum for optomechanical light control with dielectric metasurfaces
Author(s) -
Carol Bibiana Rojas Hurtado,
Johannes Dickmann,
Florian Bruns,
Thomas Siefke,
Stefanie Kroker
Publication year - 2020
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.392782
Subject(s) - optics , polarization (electrochemistry) , dielectric , optical force , grating , physics , retarder , optomechanics , light beam , phase (matter) , optoelectronics , materials science , optical tweezers , resonator , chemistry , quantum mechanics , composite material
We investigate a reconfigurable dielectric metasurface merging optomechanical interaction and quasi-bound states in the continuum promising for all-optical light control light. The surface consists of a dimerized high-contrast grating with a compliant bilayer structure. The optical forces induced by a control light field lead to structural deformations changing the optical response. We discuss requirements for the geometry and optical force distribution to enable an efficient optomechanical coupling, which can be exploited to tune reflectivity, phase and polarization of a beam impinging on the metasurface. Numerical results explore some tunable devices as mirrors, saturable output couplers, phase modulators and retarder plates.