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Spatial coherence singularities and incoherent vortex solitons

Motzek, Kristian; Shih, Ming-Feng; Swartzlander Jr, Grover A.; Kivshar, Yuri


We study spatially localized optical vortices created by self-trapping of partially incoherent light with a phase dislocation in a biased photorefractive crystal. In a contrast to the decay of coherent self-trapped vortex beams due to the azimuthal instability, the incoherent vortices are stabilized when the spatial incoherence of light exceeds a certain threshold. We analyze the spatial coherence properties of the incoherent optical vortices and reveal the existence of ring-like...[Show more]

CollectionsANU Research Publications
Date published: 2004-10-24
Type: Journal article
Source: Journal of the Optical Society of America B
DOI: 10.1364/JOSAB.22.001437


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