Ultra-wideband hybrid amplifier comprising distributedRaman amplifierand erbium-doped fibre amplifier
- 25 June 1998
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 34 (13) , 1342-1344
- https://doi.org/10.1049/el:19980935
Abstract
An extremely large seamless flat-gain bandwidth of 90.5 nm (1556.0 – 1646.5 nm) and transparent-gain bandwidth of 108 nm (1540.0 – 1648.0 nm) for a 50 km transmission fibre are achieved using a novel hybrid amplifier. The amplifier comprises a low-noise distributed Raman amplifier pumped with dual wavelengths and an erbium-doped fluoride fibre amplifier.Keywords
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