Germanium oxide (GeO2) and tellurium oxide (TeO2) based glasses are classed as the
heavy metal oxide glasses, with phonon energies ranging between 740cm− 1 and 880cm …

It has recently been demonstrated that Bi-doped glass optical fibers are a promising active
laser medium. Various types of Bi-doped optical fibers have been developed and used to …

Bismuth (Bi) doped fibers have shown promising potential for lasers and amplifiers in the
1150-1500 nm and 1600-1800nm wavelength region. Bi-doped aluminosilicate …

Bismuth-doped optical glasses emit NIR luminescence in an ultrabroad spectral region of
1000-2000 nm. It makes Bi-doped glasses and glass optical fibers a promising active …

The light sources operating in the spectral range 1600-1800 nm are of great interest
because of a number of potential scientific and practical applications. This stimulates a …

It is now almost twenty-five years since the first Erbium-Doped Fiber Amplifier (EDFA) was
demonstrated. Currently, the EDFA is one of the most important elements widely used in …

Bismuth (Bi)-doped phosphosilicate fibers have been fabricated by the modified chemical
vapor deposition (MCVD)-solution doping technique under different process conditions. The …

The effects of temperature, pump power and excitation wavelength on near-infrared
photoluminescence from Bi-doped multi-component germanate glasses are presented …

A watt-level all-fiber laser radiating at the wavelength of 1.7 μm in a continuous-wave regime
was developed by using bismuth-doped high-germania optical fiber. A maximum slope …

This review is dedicated to recent advances in the study of bismuth-doped silica-based
fibers, which are vital components for creating promising contemporary optical devices …