Abstract
Praseodymium-doped ZBLAN fibre amplifiers pumped by high power M-MOPA laser diodes demonstrate output powers up to 17.1 dBm and small signal gain levels up to 26 dB at 1.31 µm wavelength. Optical receiver preamplification using an M-MOPA pumped PDFA results in a 4 dB sensitivity improvement for a 2.5 Gbit/s transmission experiment.
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