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

24 Citations (Scopus)

Abstract

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
Number of pages6
JournalPhysical Review Letters
Volume122
Issue number10
DOIs
Publication statusPublished - 12 Mar 2019

Keywords

  • INSTABILITY

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