239 citations · 669 across the 22 of their papers we have counts for
4 papers · 2 filters
Origin of third harmonic generation in plasmonic nanoantennas
Antonino Calà Lesina, Pierre Berini, Lora Ramunno
Plasmonic nanoantennas have been recently proposed to boost nonlinear optical processes. In a metal dipole nanoantenna with a dielectric nanoparticle placed in the gap, the linear…
Chiral Huygens metasurfaces for nonlinear structuring of linearly polarized light
A. Calà Lesina, P. Berini, L. Ramunno
We report on a chiral nanostructure, which we term a "butterfly nanoantenna," that, when used in a metasurface, allows the direct conversion of a linearly polarized beam into a non…
Enhanced plasmonic coloring of silver and formation of large laser-induced periodic surface structures using multi-burst picosecond pulses
J. -M. Guay, A. Calà Lesina, J. Baxter +5
We report on the creation of angle-independent colors on silver using closely time-spaced laser bursts. The use of burst mode, compared to traditional non-burst is shown to increas…
Topographical coloured plasmonic coins
Jean-Michel Guay, Antonino Calà Lesina, Guillaume Côté +4
The use of metal nanostructures for colourization has attracted a great deal of interest with the recent developments in plasmonics. However, the current top-down colourization met…