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8 May 2007 Analytical dynamics of optical similariton solutions of the amplified nonlinear Schr&diaero;dinger equation with varying parameters
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Abstract
The evolution of short optical pulses towards a self-similar parabolic intensity profile in normally dispersive nonlinear fiber optic amplifiers can be described with good accuracy by means of a simple analytical model. This approach enables the evaluation of the optimal input pulse time duration and chirp for decreasing the distance of convergence towards the asymptotic regime. We show that pulse spectral broadening in dispersive nonlinear fiber amplifiers may be enhanced by introducing a suitable dispersion tapering. We obtain an analytical dispersion profile which permits to reduce pulse propagation in a varying dispersion fiber to the case of an equivalent fiber with constant parameters.
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S. Wabnitz "Analytical dynamics of optical similariton solutions of the amplified nonlinear Schr&diaero;dinger equation with varying parameters", Proc. SPIE 6582, Nonlinear Optics and Applications II, 65820A (8 May 2007); https://doi.org/10.1117/12.721559
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