Quantum efficiency of energy transfers in non-uniformly doped crystals of Er, Yb: LiNbO_3

摘要

Spatial and temporal distribution of quantum efficiency of energy transfers in crystals of lithium niobate with non-uniform concentration profiles of Er~(3+) and Yb~(3+) ions has been studied for the cases of Yb~(3+)-Er~(3+) Foerster transfer and radiative decay of upper energy levels of erbium ions (green and red luminescence).