Experiments on Linear and Nonlinear Localization of Optical Vortices in Optically Induced Photonic Lattices
Experimental results of bandgap guidance f a DCV beam in a tunable negative defect. (a) interference pattern of input vortex with an inclined plane wave (zoomed in), (b) lattice beam with a nonzero-intensity defect, (c) linear output of the doubly charged vortex beam exiting the defect channel in the lattice (b), (d) lattice beam with a zero-intensity defect, and (e) linear output of the DCV through the defect in lattice (d).
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