Er,Yb-doped fiber superfluorescent source with 11-W single-end output power

We report a high-power operation of a cladding-pumped Er,Yb-doped superfluorescent fiber source in the C-band. The fiber source produced 11W of single-ended broadband superfluorescence output for a laser diode power of 40W at ~975 nm, and the wavelength range spanned from 1530 nm to 1565 nm with a full width at half maximum (FWHM) of 16nm.