Overcoming diffusion issues in hybrid phase-change metasurfaces
Shields, J; Ruiz de Galarreta, C; Bertolotti, J; et al.Wright, CD
Date: 13 September 2021
Conference paper
Publisher
European Phase Change and Ovonic Symposium
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Abstract
The optical performance of phase-change metasurfaces can be irreversibly degraded by the effect of thermally activated diffusion during device switching. Here we present a systematic case-study of this effect in metasurfaces designed for modulation in the O and C telecommunication bands and a method for addressing such issues using ...
The optical performance of phase-change metasurfaces can be irreversibly degraded by the effect of thermally activated diffusion during device switching. Here we present a systematic case-study of this effect in metasurfaces designed for modulation in the O and C telecommunication bands and a method for addressing such issues using ultra-thin Si3N4 barrier layers.
Engineering
Faculty of Environment, Science and Economy
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