Partially incoherent optical vortices in self-focusing nonlinear media

Details Partially incoherent optical vortices in self-focusing nonlinear media Partially incoherent optical vortices in self-focusing nonlinear media

2003-09-09

arxiv.org/abs/nlin/0309028v1

Nonlinear Sciences

Pattern Formation and Solitons

4 pages and 6 figures (including 3 experimental figures)

Scientific paper

10.1103/PhysRevLett.92.043904

We observe stable propagation of spatially localized single- and double-charge optical vortices in a self-focusing nonlinear medium. The vortices are created by self-trapping of partially incoherent light carrying a phase dislocation, and they are stabilized when the spatial incoherence of light exceeds a certain threshold. We confirm the vortex stabilization effect by numerical simulations and also show that the similar mechanism of stabilization applies to higher-order vortices.

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