Simple fusion splicing technique for reducing splicing loss between standard singlemode fibres and erbium-doped fibre

15 August 1991

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

Vol. 27 (17) , 1597-1599
https://doi.org/10.1049/el:19910999

Abstract

A simple and practical splicing technique based on the diffusion of core dopant for reducing the coupling loss between standard singlemode fibre and small-core high numerical aperture (NA) erbium-doped fibre using a commercial arc fusion splicer is outlined. Results of coupling between a standard singlemode fibre and an erbium-doped fibre with a core radius of 1.85 μm is presented. Using this technique, an excess loss of less than 0.1 dB was obtained consistently. This represents an significant reduction of splice loss, by about l.8 dB over the conventional splicing method.

Keywords

EDFA
DIFFUSION OF CORE DOPANT
REDUCING SPLICING LOSS
PRACTICAL SPLICING TECHNIQUE
CORE RADIUS
COUPLING LOSS REDUCTION
HIGH NUMERICAL APERTURE FIBRE
0.1 DB
STANDARD SINGLEMODE FIBRES
COMMERCIAL ARC FUSION SPLICER
FUSION SPLICING TECHNIQUE
ER DOPED FIBRE
SMALL CORE FIBRE
3.7 MICRON

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