We demonstrate self-induced high beam quality recovery in Er-Yb codoped multimode active fiber with parabolic refractive index profile of the core. Nonlinear beam cleanup is accompanied by Raman and parametric instability sideband generation.
Spatial beam self-cleaning dynamics in Erbium-Ytterbium (Er-Yb) codoped multimode fiber
Niang A.
;Mangini F.;Modotto D.;Minoni U.;
2020-01-01
Abstract
We demonstrate self-induced high beam quality recovery in Er-Yb codoped multimode active fiber with parabolic refractive index profile of the core. Nonlinear beam cleanup is accompanied by Raman and parametric instability sideband generation.File in questo prodotto:
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