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Opt Lett. 1990 Oct 1;15(19):1064-6.

Signal-to-noise considerations in fiber links with periodic or distributed optical amplification.

Abstract

The detected signal-to-noise power ratio is evaluated for fiber links with periodic amplification. It is shown that the highest ratio is achieved in the limit of a distributed amplifier (g = alpha), but that, alternatively, periodic amplification at intervals of alpha(-1) entails a penalty of less than 2 dB compared with the (ideal) distributed case.

PMID:
19770998
[PubMed]
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