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We investigate numerically Optical Vortex Solitons (OVSs) with different topological charges (m) and show that they are characterised with soliton constants equal to the product of their topological charge and the soliton constant of unit OVS. The propagation characteristics for m = 1,2,3 and 4 are investigated. We proposed an approximate analytical description of the field distribution, which...
The interaction between two optical vortex solitons (OVS), formed on different background beams is analyzed numerically. Analogous to the one-dimensional case, vector OVS seem obtainable. The relative topological charges of the interacting (off-axis) vortices are found to rule their propagation characteristics. Attraction is found in the case of equal charges, in contrast to the opposite case,...
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