Author:
Ichiji Naoki,Kikuchi Hibiki,Yessenov Murat,Schepler Kenneth L.,Abouraddy Ayman F.,Kubo Atsushi
Abstract
Femtosecond space-time surface plasmon polariton wave packets, localized in all dimensions and exhibiting diffraction-free properties, have been excited on a Ag surface and their spatial fields are microscopically imaged with femtosecond time resolution.