Abstract
The propagation of modulated vortex beams in nonlocal media is numerically investigated. The beam presents the splitting property in free space, and multiple beam spots are observed. As modulated vortex beams propagate in nonlocal media, multiple solitons are generated, and the behavior of solitons depends on the nonlocality and initial amplitude. Different from beams with unmodulated vortex, the number of solitons can be controlled with the azimuthal vortex modulation. By adjusting the nonlocality and vortex modulation parameters, the linear relation between the number of solitons and modulation phase folds is analyzed. This kind of vortex beam can find potential applications in optical controlling.
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