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Short-distance propagation of nonlinear optical pulses
preprintposted on 2023-11-30, 18:01 authored by M. Isoard, A. M. Kamchatnov, N. Pavloff
We theoretically describe the quasi one-dimensional transverse spreading of a light pulse propagating in a defocusing nonlinear optical material in the presence of a uniform background light intensity. For short propagation distances the pulse can be described within a nondispersive approximation by means of Riemann's approach. The theoretical results are in excellent agreement with numerical simulations.