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Collision of propagating vortices embedded within Airy beams

Carmelo Rosales-Guzmán VALERIA RODRIGUEZ FAJARDO RUBEN RAMOS GARCIA (2013)

We present the engineered collision of two curvilinear propagating optical vortices each embedded in the main lobe of an Airy beam. Two cases are analyzed: same and opposite unitary topological vortex charge. We observed experimentally that in the first case the main vortices repel each other and remain separated after the collision. On the contrary, in the second case an annihilation of the main vortices occurs. Our experimental observations are reinforced by numerical simulations showing that the conservation of topological charge dictates the vortex dynamics.

Article

Collision of propagating Optical vortices Airy beam CIENCIAS FÍSICO MATEMÁTICAS Y CIENCIAS DE LA TIERRA FÍSICA ÓPTICA ÓPTICA