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Kvantovaya Elektronika, 2018, Volume 48, Number 4, Pages 313–324 (Mi qe16803)  

This article is cited in 2 scientific papers (total in 2 papers)

Special issue 'Extreme light fields and their interaction with matter'

Laser pulse self-compression in an active fibre with a finite gain bandwidth under conditions of a nonstationary nonlinear response

A. A. Balakinab, A. G. Litvakab, V. A. Mironova, S. A. Skobeleva

a Institute of Applied Physics of the Russian Academy of Sciences, Nizhny Novgorod
b Lobachevski State University of Nizhni Novgorod

Abstract: We study the influence of a nonstationary nonlinear response of a medium on self-compression of soliton-like laser pulses in active fibres with a finite gain bandwidth. Based on the variational approach, we qualitatively analyse the self-action of the wave packet in the system under consideration in order to classify the main evolution regimes and to determine the minimum achievable laser pulse duration during self-compression. The existence of stable soliton-type structures is shown in the framework of the parabolic approximation of the gain profile (in the approximation of the Gnizburg–Landau equation). An analysis of the self-action of laser pulses in the framework of the nonlinear Schrödinger equation with a sign-constant gain profile demonstrate a qualitative change in the dynamics of the wave field in the case of a nonstationary nonlinear response that shifts the laser pulse spectrum from the amplification region and stops the pulse compression. Expressions for a minimum duration of a soliton-like laser pulse are obtained as a function of the problem parameters, which are in good agreement with the results of numerical simulation.

Keywords: self-compression of laser pulses, active fibre, nonstationary nonlinear response.

Funding Agency Grant Number
Russian Science Foundation 16-12-10472


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English version:
Quantum Electronics, 2018, 48:4, 313–324

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Received: 16.02.2018

Citation: A. A. Balakin, A. G. Litvak, V. A. Mironov, S. A. Skobelev, “Laser pulse self-compression in an active fibre with a finite gain bandwidth under conditions of a nonstationary nonlinear response”, Kvantovaya Elektronika, 48:4 (2018), 313–324 [Quantum Electron., 48:4 (2018), 313–324]

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  • http://mi.mathnet.ru/eng/qe/v48/i4/p313

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    Citing articles on Google Scholar: Russian citations, English citations
    Related articles on Google Scholar: Russian articles, English articles

    This publication is cited in the following articles:
    1. Quantum Electron., 48:12 (2018), 1118–1127  mathnet  crossref  isi  elib
    2. A. A. Balakin, S. A. Skobelev, V A. Andrianov , N. A. Kalinin, A. G. Litvak, Opt. Lett., 44:20 (2019), 5085–5088  crossref  isi  scopus
  • Квантовая электроника Quantum Electronics
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