Hydrodynamic 2D Turbulence and Spatial Beam Condensation in Multimode Optical Fibers

E. V. Podivilov, D. S. Kharenko, V. A. Gonta, K. Krupa, O. S. Sidelnikov, S. Turitsyn, M. P. Fedoruk, S. A. Babin, S. Wabnitz

Research output: Contribution to journalArticlepeer-review


We show that Kerr beam self-cleaning results from parametric mode mixing instabilities that generate a number of nonlinearly interacting modes with randomized phases - optical wave turbulence, followed by a direct and inverse cascade towards high mode numbers and condensation into the fundamental mode, respectively. This optical self-organization effect is an analogue to wave condensation that is well known in hydrodynamic 2D turbulence.

Original languageEnglish
Article number103902
JournalPhysical Review Letters
Issue number10
Publication statusPublished - 12 Mar 2019

Bibliographical note

Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.

Funding: This work was supported by the Russian Ministry of
Science and Education (Grant No. 14.Y26.31.0017),
and the European Research Council (ERC) under the
European Union’s Horizon 2020 research and innovation
programme (Grant No. 740355). The work of S. K. T. was
supported by the Russian Science Foundation (Grant
No. 17-72-30006).


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