Spatial coherence singularities of a vortex field in nonlinear media
Kristian Motzek, Yuri S. Kivshar, Grover A. Swartzlander
Abstract
We study the spatial coherence properties of optical vortices generated by partially incoherent light in self-focusing nonlinear media. We reveal the existence of phase singularities in the spatial coherence function of a vortex field that can characterize the stable propagation of vortices through nonlinear media.
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