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This paper presents a simple and fast method for determination of the step size that exactly leads to a prescribed accuracy when signal propagation through nonlinear optical fibres is computed using the split-step Fourier method. 02000 Optical Society of America OCIS codes: (000.4430) Numerical approximation and analysis; (060.4370) Nonlinear optics, fibers; (060.45 10) Optical Communications; (060.5530) Pulse propagation and solitons

Simple and fast method for step size determination in computations of signal propagation through nonlinear fibres