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Proceedings Paper

Nonlinear guided waves in multilayer periodic structures
Author(s): Dumitru Mihalache
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Paper Abstract

For the first time we investigate the properties of transverse electric polarized nonlinear guided waves propagating in an asymmetric N-channel waveguide surrounded on both sides by Kerr-like nonlinear media. We use a transfer matrix formalism that allows the exact calculation of the stationary field distribution and the nonlinear dispersion relation. The propagation wavevector and field distribution of surface and guided electromagnetic waves become power - dependent when one or both of the semi-infinite media bounding a single interface r a thin dielectric film exhibit intensity - dependent refractive indices''4. The aim of this work is to give an analytical treatment for the general N-channel asymmetric waveguide surrounded on both sides by Kerr-like optically nonlinear media. For a single channel wavegide (N with nonlinear bounding media we recover the results reported mD. By using the transfer matrix technique adapted for periodic multilayer linear dielectric structures in contact with nonlinear media6 the stationary field distribution and the rich structured nonlinear dispersion curve are obtained exactly. Numerically we investigated the TE-polarized nonlinear guided waves is a periodic stratified dielectric structure with five unit cells (ten dielectric layers) surrounded on both sides by nonlinear media with either equal or unequal Kerr-like self-focusing optical nonlinearities. The complex variations in the effective refractive index with guided wave power in the case of self-focusing optical nonlinearities suggest a new class of potentially useful optical devices particularly upper and

Paper Details

Date Published: 1 July 1990
PDF: 1 pages
Proc. SPIE 1319, Optics in Complex Systems, (1 July 1990); doi: 10.1117/12.22203
Show Author Affiliations
Dumitru Mihalache, Central Institute of Physics (Romania)

Published in SPIE Proceedings Vol. 1319:
Optics in Complex Systems
F. Lanzl; H.-J. Preuss; G. Weigelt, Editor(s)

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