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On the Numerical Solution of Nonlinear Schrödinger type equations in fiber optics

Please always quote using this URN: urn:nbn:de:0297-zib-6715
  • The aim of this paper is to develop fast methods for the solution of nonlinear Schrödinger type equations in fiber optics. Using the method of lines we have to solve a stiff system of ordinary differential equations where the eigenvalues of the Jacobian are close to the imaginary axis. This is usually done by a Split Step method. Here we consider the extrapolation of Split Step methods with adaptive order and step size control. For more complicated nonlinearities, in particular stimulated Raman scattering, Split Step methods are less efficient since symmetry is either destroyed or requires much additional effort. In this case we use implicit Runge Kutta formulas of Gauß type. The key point for the efficient implementation of these methods is that the system of nonlinear algebraic equations can be solved without setting up the Jacobian. The proposed methods are compared to other methods, in particular exponential integrators, the method of Marcuse, and the method of Blow and Wood.

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Metadaten
Author:Thorsten Hohage, Frank Schmidt
Document Type:ZIB-Report
Tag:collocation methods; extrapolation; nonlinear Schroedinger equation; split step methods
MSC-Classification:65-XX NUMERICAL ANALYSIS / 65Lxx Ordinary differential equations / 65L06 Multistep, Runge-Kutta and extrapolation methods
65-XX NUMERICAL ANALYSIS / 65Mxx Partial differential equations, initial value and time-dependent initial- boundary value problems / 65M20 Method of lines
Date of first Publication:2002/01/25
Series (Serial Number):ZIB-Report (02-04)
ZIB-Reportnumber:02-04
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