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Dielectric Metasurfaces with High-Q Toroidal Resonances

Conference Proceedings - Lasers and Electro-Optics Society Annual Meeting-LEOS

Jeong, Peter A.; Goldflam, Michael G.; Briscoe, Jayson B.; Vabishchevich, Polina V.; Nogan, John N.; Luk, Ting S.; Brener, Igal B.

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.

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4 Results
4 Results