Laming, R.I., Zervas, M.N. and Payne, D.N.
Second-generation fibre amplifiers for advanced optical networks
At 11th Annual Conference on European Fibre Optic Communications and Networks Session Optical Amplifiers: Technology.
30 Jun - 02 Jul 1993.
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The erbium-doped fibre amplifier (EDFA) has seen rapid development and is now established as a key component in future optical networks. To date, EDFA development has been driven by specific requirements, primarily the single-channel, point-to-point fibre links. There are, however, many more applications which may require, for example, either broadband or narrowband amplifiers and signal-processing functions. In addition, non-telecommunication applications can benefit enormously by the use of EDFAs. Second generation EDFAs either novel designs or incorporating additional components, are now under investigation to modify appropriately and optimise amplifier characteristics for a given application.
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