Driving Ultrafast Control of Photoinduced Anisotropy by Hot Electron Dynamics in Plasmonic Metasurfaces

Margherita Maiuri; Margherita Maiuri; Andrea Schirato; Andrea Schirato; Andrea Toma; Remo Proietti Zaccaria; Remo Proietti Zaccaria; Peter Nordlander; Peter Nordlander; Giulio Cerullo; Giulio Cerullo; Alessandro Alabastri; Giuseppe Della Valle; Giuseppe Della Valle

doi:10.1364/UP.2022.Th2A.3

The International Conference on Ultrafast Phenomena (UP) 2022
Technical Digest Series (Optica Publishing Group, 2022),
paper Th2A.3
•https://doi.org/10.1364/UP.2022.Th2A.3

Driving Ultrafast Control of Photoinduced Anisotropy by Hot Electron Dynamics in Plasmonic Metasurfaces

Margherita Maiuri, Andrea Schirato, Andrea Toma, Remo Proietti Zaccaria, Peter Nordlander, Giulio Cerullo, Alessandro Alabastri, and Giuseppe Della Valle

International Conference on Ultrafast Phenomena 2022

Montreal, Quebec Canada
18–22 July 2022
ISBN: 978-1-957171-07-4

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M. Maiuri, A. Schirato, A. Toma, R. P. Zaccaria, P. Nordlander, G. Cerullo, A. Alabastri, and G. D. Valle, "Driving Ultrafast Control of Photoinduced Anisotropy by Hot Electron Dynamics in Plasmonic Metasurfaces," in The International Conference on Ultrafast Phenomena (UP) 2022, F. Légaré, T. Tahara, J. Biegert, T. Brixner, and N. Dudovich, eds., Technical Digest Series (Optica Publishing Group, 2022), paper Th2A.3.

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Abstract

We theoretically predict and experimentally demonstrate by transient absorption spectroscopy that spatiotemporal dynamics of hot electrons can promote and control an ultrafast photoinduced anisotropy in plasmonic metasurfaces, enabling active reconfiguration of the nanostructure nonlinear response.

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