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.
Intermodal modulational instability in graded-index multimode optical fibers / Dupiol, R.; Bendahmane, A.; Krupa, Katarzyna; Fatome, J.; Tonello, A.; Fabert, M.; Couderc, V.; Wabnitz, Stefan; Millot, G.. - In: OPTICS LETTERS. - ISSN 0146-9592. - 42:17(2017), pp. 3419-3422. [10.1364/OL.42.003419]
Intermodal modulational instability in graded-index multimode optical fibers
WABNITZ, Stefan;
2017
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 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.| File | Dimensione | Formato | |
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