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Nonlinear chirped soliton: self-formation at Gaussian pulse propagation in a medium with non-instantaneous nonlinear response
Author(s): Vyacheslav A. Trofimov; Tatiana M. Lysak; Irina G. Zakharova
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Paper Abstract

Non-instantaneous nonlinear medium response is a widespread case for a propagation of laser pulse with femtosecond duration. It occurs if a femtosecond pulse propagates in fused silica or in air at sufficient high incident intensity, or in a medium, containing nanoparticles, for example. The last propagation case is very important for practical application at developing of all-optical multi-dimensional devices for data storage. As a rule, such femtosecond laser pulse propagation is accompanied by nonlinear non-stationary absorption. In the media with nonlinear non-stationary absorption a self-similar mode of a femtosecond pulse propagation is of great interest because of its spectrum unchanging at the distances up to several dispersion lengths at least. In our report we predict and investigate a novel type of solitons (or similariton) - nonlinear chirped solitons - formation if a nonlinear absorption and/or nonlinear refraction of the laser pulse occurs. This type of solitons is characterized by a nonlinear complicated frequency chirp and can possess an asymmetric pulse shape.

Paper Details

Date Published: 8 May 2018
PDF: 14 pages
Proc. SPIE 10638, Ultrafast Bandgap Photonics III, 106380Y (8 May 2018); doi: 10.1117/12.2301143
Show Author Affiliations
Vyacheslav A. Trofimov, M.V. Lomonosov Moscow State Univ. (Russian Federation)
Tatiana M. Lysak, M.V. Lomonosov Moscow State Univ. (Russian Federation)
Irina G. Zakharova, M.V. Lomonosov Moscow State Univ. (Russian Federation)


Published in SPIE Proceedings Vol. 10638:
Ultrafast Bandgap Photonics III
Michael K. Rafailov, Editor(s)

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