https://doi.org/10.1051/epjconf/201920504022
Ultrafast optical response of plasmonic structures beyond the perturbative regime: evidence of universal saturation dynamics
1 Departamento de Física, Universidade Federal de Minas Gerais, 31270-901 Belo Horizonte-MG, Brazil
2 Istituto di Fotonica e Nanotecnologie, Consiglio Nazionale delle Ricerche, Piazza L. da Vinci 32, I-20133 Milano, Italy
3 Dipartimento di Fisica, Politecnico di Milano, Piazza L. da Vinci 32, I-20133 Milano, Italy
4 Departamento de Biointeração-ICS, Universidade Federal da Bahia, 40110-100 Salvador-BA, Brazil
* Corresponding authors: mychelgs@gmail.com, ana@fisica.ufmg.br, giulio.cerullo@polimi.it, giuseppe.dellavalle@polimi.it
Published online: 16 April 2019
The transient optical response of gold nanorods is investigated beyond the perturbative regime. Ultrafast pump-probe spectroscopy and semiclassical modeling of hot electrons reveal a universal mechanism presiding over the saturation of nonlinear plasmonic effects.
© The Authors, published by EDP Sciences, 2019
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
