Highly efficient optical fibre amplifier pumped by a 0.8 μm band laser diode
- 11 October 1990
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 26 (21) , 1758-1759
- https://doi.org/10.1049/el:19901129
Abstract
A highly efficient Er-doped fibre amplifier pumped by GaAlAs laser diodes is reported. Using a low Er-cluster content fibre with a high numerical aperture, the EDFA attains 39 dB signal gain for double LD pumping and 30 dB for single LD pumping at 1.536 μm. A maximum gain coefficient of 1.3 dB/mW was achieved at the 0.827 μm pump band.Keywords
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