Title :
Liquid crystal tuning of all-dielectric metasurfaces
Author :
Sautter, Juergen ; Staude, Isabelle ; Decker, Manuel ; Rusak, Evgenia ; Brener, Igal ; Neshev, Dragomir N. ; Kivshar, Yuri S.
Author_Institution :
Nonlinear Phys. Centre, Australian Nat. Univ., Canberra, ACT, Australia
Abstract :
We experimentally realize active tuning of electric and magnetic resonances of all-dielectric optical metasurfaces based on the temperature-dependent refractive-index change of liquid crystals. We achieve 40 nm spectral tuning and modulation contrast of 500%.
Keywords :
liquid crystals; magnetic resonance; optical metamaterials; optical modulation; optical tuning; refractive index; all-dielectric optical metasurfaces; electric resonances; liquid crystal tuning; magnetic resonances; modulation contrast; spectral tuning; temperature-dependent refractive-index change; Magnetic resonance; Magnetosphere; Optical polarization; Optical refraction; Perpendicular magnetic anisotropy; Tuning;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
