Intermodal modulational instability in graded-index multimode optical fibers

R. Dupiol, A. Bendahmane, K. Krupa, J. Fatome, A. Tonello, M. Fabert, V. Couderc, S. Wabnitz, G. Millot

Research output: Contribution to journalArticlepeer-review

26 Citations (Scopus)

Abstract

We report on the experimental observation of an intermodal noise-seeded modulational instability process (MI) taking place in the normal dispersion regime of a few-mode graded-index optical fiber. Strong power dependence of the MI spectra is observed, with a peak gain modulation frequency that scales as the square root of the injected light power. These observations are in excellent agreement with the predictions of a bimodal-MI model.

Original languageEnglish
Pages (from-to)3419-3422
Number of pages4
JournalOptics Letters
Volume42
Issue number17
DOIs
Publication statusPublished - 1 Sep 2017

Keywords

  • SUPERCONTINUUM GENERATION
  • BIREFRINGENT FIBER
  • POLARIZATION
  • CONVERSION
  • BEAM

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