Intermodal modulational instability in graded-index multimode optical fibers

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TitreIntermodal modulational instability in graded-index multimode optical fibers
Type de publicationJournal Article
Year of Publication2017
AuteursDupiol R., Bendahmane A., Krupa K., Fatome J., Tonello A., Fabert M., Couderc V., Wabnitz S., Millot G.
JournalOPTICS LETTERS
Volume42
Pagination3419-3422
Date PublishedSEP 1
Type of ArticleArticle
ISSN0146-9592
Résumé

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 gradedindex 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. (C) 2017 Optical Society of America

DOI10.1364/OL.42.003419