Abstract
An equation is derived analytically for determining steady-state solutions of nonlinear waveguide equation using Gaussian approximation of waveguide mode and perturbation theory. Critical power for nonlinear self-focusing in optical waveguides is found to be independent of waveguide parameters, while steady-state solutions below nonlinear self-focusing limit depend on V value of the optical waveguide.
© 2007 Optical Society of America
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