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Theoretical modelling of erbium doped fibre amplifiers with excited state absorption

Record type: Article

Numerical solution of a general rate-equation model of an erbium-doped fiber amplifier highlights several important features of the device. A difference in strong-signal gain between copropagating and counterpropagating signal pump schemes in the presence of pump excited-state absorption is predicted, and this is confirmed by experiment. The detriment in the noise figure previously associated with counterpropagating schemes for only small-signal conditions is shown to be similar for strong signals, corresponding to a power-amplifier operating regime. In addition, a correction to the noise figure is given for the limit of a low-gain amplifier.

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Citation

Morkel, P.R. and Laming, R.I. (1989) Theoretical modelling of erbium doped fibre amplifiers with excited state absorption Optics Letters, 14, (19), pp. 1062-1064. (doi:10.1364/OL.14.001062).

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Published date: 1989

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Local EPrints ID: 78445
URI: http://eprints.soton.ac.uk/id/eprint/78445
ISSN: 0146-9592
PURE UUID: fc17a5da-1c7f-4a2a-87a1-0186631d7649

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Date deposited: 11 Mar 2010
Last modified: 18 Jul 2017 23:24

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Author: P.R. Morkel
Author: R.I. Laming

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