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Conferences > CLEO_Europe > 2021 > cc_4 > cc_4_2
  • 2021 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference
  • OSA Technical Digest (Optica Publishing Group, 2021),
  • paper cc_4_2

Terahertz Sources Based on Time-Dependent Metasurfaces

J. Tunesi, L. Peters, J. S. Totero Gongora, L. Olivieri, A. Fratalocchi, A. Pasquazi, and M. Peccianti

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Abstract

We demonstrate a time-dependent random metasurface exhibiting sub-cycle phase dynamics when coupled with a photoexcited electromagnetic source. The ultrafast photoexcitation of nanostructured Silicon acts as a temporal discontinuity, modifying the nonlinearity responsible for terahertz emission.

© 2021 IEEE

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