On the influence of intrapulse Raman scattering on the dynamics of pulses in a gradient waveguide

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Abstract

Based on the method of moments, a system of equations for the parameters of a longitudinal-transverse pulse is obtained. A criterion for the stability of such signals and the characteristic length at which the intrapulse Raman scattering makes the pulse unstable are found.

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About the authors

V. A. Khalyapin

Immanuel Kant Baltic Federal University; Kaliningrad State Technical University

Author for correspondence.
Email: slavasxi@gmail.com
Russian Federation, Kaliningrad; Kaliningrad

A. N. Bugay

Joint Institute for Nuclear Research

Email: slavasxi@gmail.com
Russian Federation, Dubna

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2. Fig. 1. Potential field U(ν,ρ), determining the dynamics of the relative duration ν and radius ρ of the pulse.

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3. Fig. 2. Qualitative image of the potential function (33) for four modes (a) (b) (c) (d)

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