Author(s): Anastasios D. Koulouklidis, Dimitris G. Papazoglou, Vladimir Yu. Fedorov, and Stelios Tzortzakis
Experiments on autofocusing ring-Airy beams reveal that the harmonics preserve the phase distribution of the fundamental beam. This “phase memory” inherits the harmonics of the abrupt autofocusing behavior of the Airy beam.
[Phys. Rev. Lett. 119, 223901] Published Wed Nov 29, 2017