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Terahertz Emission from Ultrafast Time-Varying Metamaterials
Conference proceeding

Terahertz Emission from Ultrafast Time-Varying Metamaterials

J. Tunesi, L. Peters, J. S. Totero Gongora, L. Olivieri, A. Fratalocchi, A. Pasquazi, M. Peccianti and IEEE
2021 Conference on Lasers and Electro-Optics (CLEO), pp.1-2
05/2021

Abstract

Dielectrics Electromagnetics Electrooptical waveguides Lasers and electrooptics Metamaterials Metasurfaces Silicon
We demonstrate a time-dependent dielectric metasurface with sub-cycle dynamics coupled with a photoexcited electromagnetic source. The ultrafast photoexcitation of nanostructured Silicon acts as a temporal discontinuity affecting the nonlinear response responsible for terahertz emission.

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