Random mode coupling assists Kerr beam self-cleaning in a graded-index multimode optical fiber

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5 Citations (Scopus)

Abstract

In this paper, we numerically investigate the process of beam self-cleaning in a graded-index multimode optical fiber, by using the coupled-mode model. We introduce various models of random linear coupling between spatial modes, including coupling between all modes, or only between degenerate ones, and investigate the effects of random mode coupling on the beam self-cleaning process. The results of numerical investigations are in complete agreement with our experimental data.

Original languageEnglish
Article number101994
Number of pages5
JournalOptical Fiber Technology
Volume53
DOIs
Publication statusPublished - 1 Dec 2019

Keywords

  • Beam self-cleaning
  • Kerr effect
  • Multimode fibers
  • Nonlinear optics
  • INSTABILITY
  • DYNAMICS

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