An erbium-doped fluorozirconate fibre amplifier has been pumped at 1480 nm using a semiconductor diode laser. The small signal gain was 15 dB for 25 mW launched pump power. The ASE bandwidth was 45 nm and the predicted noise figure was 5 dB.
Published in:
Electronics Letters
(Volume:26
,
Issue:
10
)
Date of Publication: 1 May 1990