The growing landscape of laser applications in∼ 2 μm spectral region leads to the
development of novel transparent media that provide low attenuation solutions for high …

Ho3+ ions doped with ZnS NPs in silicate glasses prepared by room temperature sol–gel
method, and its physical parameters and spectroscopic properties were characterized …

The Ho 3+-doped gadolinium calcium silicoborate glasses with the composition of 25Gd 2 O
3+ 10CaO+ 10SiO 2+(55− x) B 2 O 3+ xHo 2 O 3, where x= 0.0, 0.5, 1.0, 1.5, 2.0 and 2.5 …

Holmium-doped titanate-germanate glasses have been investigated for optical applications.
Near-infrared luminescence at 2 μm due to 5 I 7→ 5 I 8 transition of holmium ions has been …

The mid-infrared emission of low phonon (963 cm− 1) lead silicate glass system with Ho
3+/Tm 3+ co-doped has been investigated. Luminescence at∼ 2.1 μm corresponding to 5 I …

This article reports on the frequency upconversion property of yellow light emitting Ho 3+-Yb
3+ embedded tungsten tellurite (TeO 2-WO 3) glass prepared by the famous melt-quench …

In this work, spectroscopic properties of europium and erbium ions in heavy metal oxide
glasses have been studied. The phonon energy of the glass host was determined based on …

Bi-Doped nitridated germanate glasses covering the whole NIR region from 800–1600 nm
have attracted considerable attention due to their potential application in tunable fiber lasers …

Rare-earth materials are widely used in the optical field due to their rich energy-level
structures, and if endowed with photoelectric response characteristics, they are expected to …

Broadband gain materials are of considerable interest for the next generation
telecommunication system because of their potential for realization of the optical …