Propagation dynamics of hybrid-order Poincare beams in thermal nonlocal media
Chaos, Solitons & Fractals(2023)
Abstract
We study the propagation dynamics of hybrid-order Poincare (HOP) beams, consisting of two coaxially propagating, orthogonal circularly polarized beams with different topological charges, in a nonlocal medium with thermal nonlinearity. By numerically observing the evolution of beamwidth, isosurface and light intensity with propagation distance, we verify that a HOP soliton with a certain beamwidth ratio can exist only at a proper power ratio. At a fixed propagation distance, the rotation of polarization component of the HOP breather can be controlled linearly by the input power. The polarization of HOP beams is observed as a function of the propagation distance, and the evolution regularity of the polarized rotation angle and ellipticity angle of HOP soliton and HOP breather is summarized.
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Key words
Hybrid-order Poincare beams,Hybrid-order Poincare sphere,Nonlocal nonlinearity,Propagation dynamics
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