Publications Details
Dielectric Metasurfaces with High-Q Toroidal Resonances
Jeong, Peter A.; Goldflam, Michael; Campione, Salvatore; Briscoe, Jayson; Vabishchevich, P.P.; Nogan, John; Sinclair, Michael B.; Luk, Ting S.; Brener, Igal
Toroidal dielectric metasurface with a Q-factor of 728 in 1500 nm wavelength are reported. The resonance couples strongly to the environment, as demonstrated with a refractometric sensing experiment.