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The dynamics of 3D Airy-vortex wave packets is studied under the action ofstrong self-focusing Kerr nonlinearity. Emissions of nonlinear 3D waves out ofthe main wave packets with the topological charges were demonstrated. Due tothe conservation of the total angular momentum, charges of the emitted wavesare equal to those carried by the parental light structure. The rapid collapseimposes a severe limitation on the propagation of multidimensional waves inKerr media. However, the structure of the Airy beam carrier allows the couplingof light from the leading, most intense peak into neighboring peaks andconsequently strongly postpones the collapse. The dependence of the criticalinput amplitude for the appearance of a fast collapse on the beam width isstudied for wave packets with zero and non-zero topological charges. Wavepackets carrying angular momentum are found to be much more resistant to therapid collapse, especially those having small width.

Nonlinear dynamics of Airy-Vortex 3D wave packets: Emission of vortex light waves