Judd-Ofelt analysis of holmium-doped alumino-silicate optical glass prepared by MCVD combined with nanoparticle doping

Petr Varak, Michal Kamradek, Pavla Nekvindova +2

We present a detailed Judd--Ofelt (JO) analysis of Ho${}^{3+}$-doped alumino-silicate optical fiber preforms in a wide range of compositions and prepared by both the standard solutio…