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Proceedings Paper

Means to find nonlinear modal fields using the finite difference beam propagation method
Author(s): Frank H. G. M. Wijnands; Hugo J.W.M. Hoekstra; G. J. M. Krijnen; Rene M. de Ridder
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Paper Abstract

A method to construct modal fields for an arbitrary one- or two-dimensional intensity dependent refractive index structure is described. An arbitrary starting field is propagated along a complex axis using the slowly varying envelope approximation for the Finite Difference Beam Propagation Method. By suitably choosing the complex value of the propagation step, one mode is maximally increased in amplitude. The applicability of the method is discussed and illustrated by a one-dimensional cross section test example with Kerr- type nonlinearity.

Paper Details

Date Published: 25 August 1994
PDF: 10 pages
Proc. SPIE 2212, Linear and Nonlinear Integrated Optics, (25 August 1994); doi: 10.1117/12.185171
Show Author Affiliations
Frank H. G. M. Wijnands, Univ. of Twente (United Kingdom)
Hugo J.W.M. Hoekstra, Univ. of Twente (Netherlands)
G. J. M. Krijnen, Univ. of Central Florida (Netherlands)
Rene M. de Ridder, Univ. of Twente (Netherlands)

Published in SPIE Proceedings Vol. 2212:
Linear and Nonlinear Integrated Optics
Giancarlo C. Righini; David Yevick, Editor(s)

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