Abstract
The large third-order nonlinearity of the nonlinear waveguides have attracted considerable attention because of its interesting new effects, which can be applied to all-optical signal processing, such as self-routing in optical communication networks.1 Here we present numerical results concerning propagation of Gaussian beams launched into adjoining nonlinear planar waveguides2 with the structure of linear and nonlinear waveguides adjoining together, as shown in Fig. 1. The numerical results using the Crank-Nicolson finite-difference scheme show that high-power Gaussian beams incident to the linear waveguide region covert to the exact nonlinear eigenmode, solitary waves.
© 1995 IEEE
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