Diode-laser pumped erbium-doped fluorozirconate fibre amplifier for the 1530 nm communications window

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Abstract
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.