International Journal of Optics / 2012 / Article / Fig 1

Review Article

Experiments on Linear and Nonlinear Localization of Optical Vortices in Optically Induced Photonic Lattices

Figure 1

Experimental setup for optical induction of photonic lattices in a biased photorefractive crystal by amplitude modulation of a partially coherent beam. PBS: polarizing beam splitter; SBN: strontium barium niobate. Top path is the lattice-inducing beam, the middle path is the probing vortex beam, and the bottom path is the reference beam. The top right insert illustrates the scheme of induced waveguide arrays in the otherwise uniform SBN nonlinear crystal.

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