Matching fibres for low loss coupling into fibre amplifiers

6 December 1990

journal article
Published by Institution of Engineering and Technology (IET) in Electronics Letters

Vol. 26 (25) , 2102-2104
https://doi.org/10.1049/el:19901353

Abstract

Fibre amplifier gain may be greatly increased by reducing the field spot size. However, the resulting mismatch between the fields in the amplifier and standard fibre leads to large splicing losses which reduce the amplifier efficiency. We show theoretically that total splice loss may be greatly reduced by using one or more intermediate fibres.

Keywords

FIELD SPOT SIZE
LOW LOSS COUPLING INTO FIBRE AMPLIFIERS
INTERMEDIATE FIBRES
TOTAL SPLICE LOSS
SPLICING LOSSES
MATCHING FIBRES

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