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

doi:10.1364/OL.42.003419

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

Laboratory of Nonlinear Optics of Guided Wave Systems

Research output: Contribution to journal › Article › peer-review

28 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 language	English
Pages (from-to)	3419-3422
Number of pages	4
Journal	Optics Letters
Volume	42
Issue number	17
DOIs	https://doi.org/10.1364/OL.42.003419
Publication status	Published - 1 Sep 2017

Keywords

SUPERCONTINUUM GENERATION
BIREFRINGENT FIBER
POLARIZATION
CONVERSION
BEAM

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10.1364/OL.42.003419

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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.",

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AU - Dupiol, R.

AU - Bendahmane, A.

AU - Krupa, K.

AU - Fatome, J.

AU - Tonello, A.

AU - Fabert, M.

AU - Couderc, V.

AU - Wabnitz, S.

AU - Millot, G.

PY - 2017/9/1

Y1 - 2017/9/1

N2 - 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.

AB - 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.

KW - SUPERCONTINUUM GENERATION

KW - BIREFRINGENT FIBER

KW - POLARIZATION

KW - CONVERSION

KW - BEAM

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JF - Optics Letters

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ER -

Intermodal modulational instability in graded-index multimode optical fibers

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Keywords

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