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Acousto-optic attenuation filters based on tapered optical fibres

By R. Feced, C. Alegria, M.N. Zervas and R.I. Laming

Abstract

This paper studies the acousto-optic interaction induced by an acoustic flexural wave among the optical propagation modes supported by tapered optical fibres. We have investigated the evolution of the acousto-optic resonance condition as the fibre is progressively tapered, showing that the taper radius can be regarded as a new degree of freedom in the design of acousto-optic filters. Finally, we demonstrate a novel acousto-optic filter based on nonuniform tapers for dynamic gain flattening of optical fibre amplifiers

Topics: TK, QC
Year: 1999
OAI identifier: oai:eprints.soton.ac.uk:77782
Provided by: e-Prints Soton

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