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All-optical discrete vortex switch
2011
Physical Review A. Atomic, Molecular, and Optical Physics
We introduce discrete vortex solitons and vortex breathers in circular arrays of nonlinear waveguides. The simplest vortex breather in a four-waveguide coupler is a nonlinear dynamic state changing its topological charge between +1 and −1 periodically during propagation. We find the stability domain for this solution and suggest an all-optical vortex switching scheme.
doi:10.1103/physreva.83.063822
fatcat:ynwiqrjx2rds3e5coqsfpgb4zi