Double-Layer Metasurface for Enhanced Photon Up-Conversion
Phillip Manley,
Michele Segantini,
Doguscan Ahiboz
et al.
Abstract:We present a double-layer dielectric metasurface obtained by stacking a silicon nanodisc array and a silicon photonic crystal slab with equal periodicity on top of each other. We focus on the investigation of electric near-field enhancement effects occurring at resonant excitation of the metasurface and study its optical properties numerically and experimentally. We find that the major difference in multi-layer metasurfaces when compared to conventional single-layer structures appears to be in Rayleigh-Wood an… Show more
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