Nonlinear beam cleanup in Yb-doped GRIN multimode fiber taper
04 Pubblicazione in atti di convegno
Niang A., Modotto D., Tonello A., Mangini F., Minoni U., Zitelli M., Fabert M., Jima M. A., Egorova O. N., Levchenko A. E., Semjonov S. L., Lipatov D. S., Babin S., Couderc V., Wabnitz S.
We demonstrate beam self-cleaning in a tapered Ytterbium-doped graded- index multimode fiber in both active and passive configurations, without accompanying self-phase modulation induced spectral broadening or frequency conversion