Upconversion (UC) process involves diverse energy levels and photoluminescence modes,
however, it faces the challenge of concentration quenching of the doped lanthanide ions …

Highly Tm3+ doped optical fibers are urgently desirable for 2.0 μm compact single-
frequency fiber laser and high-repetition-rate mode-locked fiber laser. Here, we …

Germanotellurite glasses in the compositions of TeO2–GeO2–ZnO–Y2O3–Na2O–Er2O3
were prepared by various conditions. The effect of the composition and various drying …

The spectroscopic properties and thermal stability of Er 2 O 3 doped Bi 2 O 3–B 2 O 3–Na 2
O glasses are investigated experimentally. A close correlation is observed between the B 2 …

A detailed study of the fluorescence radiative dynamics and energy transfer processes
between Er and Tm ions in the Er3+/Tm3+ doped fluoride glass is reported. The …

Erbium (Er)-doped barium gallo-germanate (BGG) glasses modified by TiO 2 have been
investigated for near-infrared luminescence applications. Luminescence at 1.5 μm …

Improving the mid-infrared band luminescent intensity in oxide glass system is a serious
challenge. In this work, Ho 3+ ions was introduced into Er 3+ doped tellurite glass, and the …

Abstract Er3+ doped Y2O3 and Nb2O5 modified germanate glasses with different Er3+
concentrations were prepared. JO intensity parameters were computed to estimate the …

We have demonstrated that the population feeding from the I 11/2 4 level to the 1.5 μm
fluorescence emitting I 13/2 4 level of Er 3+ ions in low phonon energy glass hosts can be …

Intense 2.7 μm emission from Er3+ doped in a new type of ZrF4-based fluoride glass is
reported. 2.7 μm emission characteristics and energy transfer process upon excitation of a …