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 …

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 …

In this paper, a 2 µm broadband emission under 796 nm laser diode excitation in low
phonon energy GeO_2-Ga_2O_3-BaO glass system is co-doped with 0.7 Tm_2O_3/(0.07 …

A theoretical model to describe in-band pumped holmium doped silica fiber lasers is
presented. The model is established based upon theory and parameters obtained from …

This work reports the mid-infrared emission properties around 2.85 μm in Ho 3+/Yb 3+
codoped germanate glasses. The glass not only possesses considerably low OH …

In this paper, Tm 3+ doped pure tellurite glass, TiO 2 modified tellurite glass and TiO 2/GeO
2 co-modified tellurite glasses were prepared. The effects of the introduction of TiO 2 and …

The near-infrared emission properties in low-phonon (805 cm− 1) gallo-germanate glasses
and their glass fibers co-doped with Yb 3+/Ho 3+ and Yb 3+/Tm 3+/Ho 3+ have been …

The spectroscopic properties of 2-μm emission in Ho 3+-doped lanthanum–tungsten–
tellurite glasses with different Ho 2 O 3 concentrations were investigated. The strongest …

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 …

We report on our realization of a high-power holmium doped fiber laser, together with the
validation of our numerical simulation of the laser. We first present the measurements of the …