Geometric parametric instability in modulated parabolic graded-index fibers

Carlos Mas Arabi (1) , Alexandre Kudlinski (1) , Arnaud Mussot (1) , Matteo Conforti (1)

1 PhLAM - Laboratoire de Physique des Lasers, Atomes et Molécules - UMR 8523

We show that a periodic modulation of the diameter of a graded-index multimode fiber modifies the intrinsic self-imaging pattern, generating new spectral components in the geometric parametric instability gain spectrum.

Domaines: Optique [physics.optics]; Formation de Structures et Solitons [nlin.PS]

Carlos Mas Arabi, Alexandre Kudlinski, Arnaud Mussot, Matteo Conforti. Geometric parametric instability in modulated parabolic graded-index fibers. Nonlinear Photonics, Jul 2018, Zurich, Switzerland. NpTh4G.7, ⟨10.1364/NP.2018.NpTh4G.7⟩. ⟨hal-02393106⟩