Few-moded solitary-fibre optical transversal filter

8 October 1992

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

Vol. 28 (21) , 1961-1962
https://doi.org/10.1049/el:19921257

Abstract

A new type of transversal filter for RF and microwave signals on an optical carrier is described. It is based on the coupling and delay between different spatial modes of a solitary fewmoded optical fibre. The principle is demonstrated experimentally by constructing four point rectangular and Hamming filters from standard telecommunication fibre using microbend couplers.

Keywords

MICROBEND COUPLERS
STANDARD TELECOMMUNICATION FIBRE
RF SIGNALS
MICROWAVE SIGNALS
OPTICAL CARRIER
SPATIAL MODES
HAMMING FILTERS
OPTICAL TRANSVERSAL FILTER
SOLITARY FEW-MODED OPTICAL FIBRE
FOUR POINT RECTANGULAR FILTERS

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