High quality factor phase gradient metasurfaces

Lawrence, M; Barton, DR; Dixon, J; Song, JH; van de Groep, J; Brongersma, ML; Dionne, JA

Lawrence, M; Barton, DR; Dionne, JA (corresponding author), Stanford Univ, Dept Mat Sci & Engn, Stanford, CA 94305 USA.; Dionne, JA (corresponding author), Stanford Univ, Dept Radiol, Stanford, CA 94305 USA.

NATURE NANOTECHNOLOGY, 2020; 15 (11): 956

Abstract

Quality factors as high as 2,500 can be achieved for subwavelength phase gradient metasurfaces. Dielectric microcavities with quality factors (Q-facto......

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