Tunable optical metasurfaces enabled by chalcogenide phase-change materials: from the visible to the THz
C. R. D. Galarreta, S. G. Carrillo, Y. Au, E. Gemo, L. Trimby, J. Shields, Euan Humphreys, J. Faneca, Lu Cai, A. Baldycheva, J. Bertolotti, C. Wright
Journal of Optics