Article Dans Une Revue Optics Express Année : 2017

Modulation instability in the weak dispersion regime of a dispersion modulated passive fiber-ring cavity

Résumé

We present a theoretical and experimental study of the modulation instability process in a dispersion oscillating passive fiber-ring resonator in the low dispersion region. Generally, the modulation of the dispersion along the cavity length is responsible for the emergence of a regime characterised by multiple parametric resonances (or Faraday instabilities). We show that, under weak dispersion conditions, a huge number of Faraday sidebands can grow under the influence of fourth order dispersion. We specifically designed a piecewise uniform fiber-ring cavity and report on experiments that confirm our theoretical predictions. We recorded the dynamics of this system revealing strong interactions between the different sidebands in agreement with numerical simulations.

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hal-02386346 , version 1 (29-11-2019)

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François Copie, Matteo Conforti, Alexandre Kudlinski, Stefano Trillo, Arnaud Mussot. Modulation instability in the weak dispersion regime of a dispersion modulated passive fiber-ring cavity. Optics Express, 2017, 25 (10), pp.11283. ⟨10.1364/OE.25.011283⟩. ⟨hal-02386346⟩
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