Evanescent amplification in a single-mode optical fibre

29 September 1983

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

Vol. 19 (20) , 820-822
https://doi.org/10.1049/el:19830559

Abstract

By replacing a portion of the cladding of a single-mode fibre with a laser dye, amplification can be achieved by means of an evanescent field interaction. External gains as high as 22 dB have been measured by guiding both a pulsed pump and CW signal within the single-mode fibre.

Keywords

EVANESCENT FIELD INTERACTION
SINGLE-MODE OPTICAL FIBRE
LASER DYE
CW SIGNAL
PULSED PUMP SIGNAL
CLADDING SUBSTITUTION
AMPLIFICATION

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