Any localized wave packet tends to broaden in space and time under the combined actions of diffraction and dispersion, which are universal physical processes 1. Methods to overcome the often ...
Finite-energy Airy beams were first introduced in the field of optics in 2007 (refs 1, 2) as new non-diffracting wavepackets in one and two spatial dimensions. The Airy function, describing the ...
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