Abstract
We studied the propagation dynamics of vector vortex breathers (VVBs) in a nonlocal medium with thermal nonlinearity, such as lead glass. These VVBs consist of two coaxially propagating, orthogonally polarized beams, a fundamental Gaussian beam and a higher-order vortex beam. By numerically observing the beamwidths of VVBs as functions of the propagation distance and experimentally observing the output beamwidths of VVBs while varying the input power, we verified that a vector vortex soliton with a given input beamwidth ratio can exist only at a specific power ratio.
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