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“Extraordinary” modulation instability in ...
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Document type :
Article dans une revue scientifique
DOI :
10.1073/pnas.2019348118
Title :
“Extraordinary” modulation instability in optics and hydrodynamics
Author(s) :
Vanderhaegen, Guillaume [Auteur]
Laboratoire de Physique des Lasers, Atomes et Molécules - UMR 8523 [PhLAM]
Naveau, Corentin [Auteur]
Laboratoire de Physique des Lasers, Atomes et Molécules - UMR 8523 [PhLAM]
Szriftgiser, Pascal [Auteur] refId
Laboratoire de Physique des Lasers, Atomes et Molécules - UMR 8523 [PhLAM]
Kudlinski, Alexandre [Auteur] refId
Laboratoire de Physique des Lasers, Atomes et Molécules - UMR 8523 [PhLAM]
Conforti, Matteo [Auteur]
Laboratoire de Physique des Lasers, Atomes et Molécules - UMR 8523 [PhLAM]
Mussot, Arnaud [Auteur] refId
Laboratoire de Physique des Lasers, Atomes et Molécules - UMR 8523 [PhLAM]
Onorato, Miguel [Auteur]
Università degli studi di Torino = University of Turin [UNITO]
Trillo, Stefano [Auteur]
Università degli Studi di Ferrara = University of Ferrara [UniFE]
Chabchoub, Amin [Auteur]
The University of Sidney
Akhmediev, Nail [Auteur]
Australian National University [ANU]
Journal title :
Proceedings of the National Academy of Sciences of the United States of America
Pages :
e2019348118
Publisher :
National Academy of Sciences
Publication date :
2021-03-31
ISSN :
0027-8424
HAL domain(s) :
Science non linéaire [physics]/Formation de Structures et Solitons [nlin.PS]
Physique [physics]
English abstract : [en]
The classical theory of modulation instability (MI) attributed to Bespalov–Talanov in optics and Benjamin–Feir for water waves is just a linear approximation of nonlinear effects and has limitations that have been corrected ...
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The classical theory of modulation instability (MI) attributed to Bespalov–Talanov in optics and Benjamin–Feir for water waves is just a linear approximation of nonlinear effects and has limitations that have been corrected using the exact weakly nonlinear theory of wave propagation. We report results of experiments in both optics and hydrodynamics, which are in excellent agreement with nonlinear theory. These observations clearly demonstrate that MI has a wider band of unstable frequencies than predicted by the linear stability analysis. The range of areas where the nonlinear theory of MI can be applied is actually much larger than considered here.Show less >
Language :
Anglais
Peer reviewed article :
Oui
Audience :
Internationale
Popular science :
Non
Collections :
  • Laboratoire de Physique des Lasers, Atomes et Molécules (PhLAM) - UMR 8523
Source :
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