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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2020, Volume 112, Issue 5, Pages 305–311
DOI: https://doi.org/10.31857/S1234567820170048 (Mi jetpl6247) 		 
This article is cited in 3 scientific papers (total in 3 papers)

OPTICS AND NUCLEAR PHYSICS

Snake-modulation dynamics of an optical-terahertz soliton in a graded-index waveguide

S. V. Sazonovabc

a National Research Center Kurchatov Institute, Moscow, 123182 Russia
b Moscow State University, Moscow, 119991 Russia
c Moscow Aviation Institute (National Research University), Moscow, 125993 Russia
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DOI: https://doi.org/10.31857/S1234567820170048
Abstract: A nonlinear stage of the effect of snake and modulation instabilities on the dynamics of an optical-terahertz soliton in a quadratically nonlinear graded-index waveguide has been studied theoretically. It has been shown that both instabilities are of fundamental importance and cannot be separated from each other. If the carrier frequency of the optical component is in the region of an anomalous dispersion of the group velocity, these instabilities are developed in a blow-up regime, leading to the self-focusing of the soliton. In the case of the normal dispersion of the group velocity, the mutual effect of the waveguide and snake-modulation dynamics results in the formation of a stable spatiotemporal soliton.
Funding agency Grant number
Russian Foundation for Basic Research 19-02-00234_а
This work was supported by the Russian Foundation for Basic Research (project no. 19-02-00234a).
Received: 13.08.2020
Revised: 13.08.2020
Accepted: 13.08.2020
English version:
Journal of Experimental and Theoretical Physics Letters, 2020, Volume 112, Issue 5, Pages 283–289
DOI: https://doi.org/10.1134/S0021364020170087
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: S. V. Sazonov, “Snake-modulation dynamics of an optical-terahertz soliton in a graded-index waveguide”, Pis'ma v Zh. Èksper. Teoret. Fiz., 112:5 (2020), 305–311; JETP Letters, 112:5 (2020), 283–289
Citation in format AMSBIB
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    • This publication is cited in the following 3 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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