Electronics Letters
High-power broadband singlemode Pr 3+ - doped fibre superfluorescence light source
Y. Shi, Ove Poulsen
Abstract
A broadband Pr3+-doped silica-based fibre superfluorescence light source at 1049 nm is demonstrated. For ~4 m length of Pr3+-doped fibre, the authors obtain an output power of 60 mW and a linewidth of ~20 nm at a pump power of 190mW. The dependence of the peak emission wavelength on the wavelength of the pump is investigated. The intensity weighted average wavelength is stable with only a small fluctuation of ±0.2 nm for different pump powers.