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  • 2015 European Conference on Lasers and Electro-Optics - European Quantum Electronics Conference
  • (Optica Publishing Group, 2015),
  • paper CD_8_5

Optically Switchable Gallium Metasurfaces

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Abstract

We report on the first experimental demonstration of an optically nonlinear gallium-based photonic metamaterial, in which a reversible light-induced transition between solid and liquid phases occurring in a confined nanoscale surface layer of the metal drives significant changes in reflectivity, offering high contrast all-optical switching in the visible/near-infrared range at low, µW/µm2, optical excitation intensities.

© 2015 IEEE

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