Active analog tuning of the phase of light in the visible regime by bismuth-based metamaterials

  title={Active analog tuning of the phase of light in the visible regime by bismuth-based metamaterials},
  author={Marina Garc{\'i}a-Pardo and Eva Nieto-Pinero and Amanda K. Petford-Long and Rosal{\'i}a Serna and Johann Toudert},
  pages={885 - 896}
Abstract The active and analog tuning of the phase of light by metamaterials is needed to boost the switching performance of photonic devices. However, demonstrations of this type of tuning in the pivotal visible spectral region are still scarce. Herein, we report the active analog tuning of the phase of visible light reflected by a bismuth (Bi)-based metamaterial, enabled by a reversible solid-liquid transition. This metamaterial, fabricated by following a lithography-free approach, consists… 
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