Gaussian-beam excitation of 3d nonlinear waves
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Document typeArticle
Defense date1994-07
Rights accessRestricted access - publisher's policy
Abstract
The propagation of stationary three-dimensional nonlinear guided waves and of Gaussian beams in a slab waveguide in which the cladding displays both Kerr-law and saturable instantaneous self-focusing nonlinearities is simulated numerically. The numerical analysis supports the hypothesis that the stationary three-dimensional nonlinear guided waves are stable on propagation for propagation constants corresponding to the ascending branches of the nonlinear dispersion curves. The numerical simulations of the Gaussian-beam propagation in the nonlinear slab waveguide illustrate both diffraction and nonlinear effects such as solitary-wave emission. The transparent-boundary condition, which employs no adjustable parameters and is easily incorporated into a Crank–Nicolson finite-difference scheme, was used in the three-dimensional calculations.
CitationMihalache, D., Baboiu , D., Mazilu, D., Torner, L., Juan P. Torres. Gaussian-beam excitation of 3d nonlinear waves. "Journal of the Optical Society of America B. Optical physics", Juliol 1994, vol. 11, núm. 7, p. 1244-1253.
ISSN0740-3224
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