Spatial beam self-cleaning dynamics in Erbium-Ytterbium (Er-Yb) codoped multimode fiber
04 Pubblicazione in atti di convegno
Niang A., Mangini F., Modotto D., Tonello A., Minoni U., Fabert M., Couderc V., Wabnitz S.
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.