Distributed-gain and optimum length of erbium-doped fibre amplifiers

Jean Pierre von der Weid; A.O. Dal Forno; J.A. Pereira da Silva; R. Passy; M.R.X. de Barros; B. Hüttner; Nicolas Gisin

doi:10.1109/ecoc.1998.732743

Abstract

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The distributed-gain along erbium doped fibres was measured with coherent optical frequency-domain reflectometry. The optimum length for different amplifier specifications were measured and compared to the cutback technique.

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