Demonstration of a narrowband Bragg-reflection filter in a single-mode fibre directional coupler

5 June 1986

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

Vol. 22 (12) , 681-682
https://doi.org/10.1049/el:19860465

Abstract

A narrowband wavelength-selective optical fibre directional coupler has been fabricated by etching a diffraction grating directly into the cladding region of a single-mode fibre. This device exhibits efficient (25%) interfibre Bragg reflection with a 6 Å bandwidth at 1.52 μm.

Keywords

COHERENT COMMUNICATION SYSTEMS
SINGLE-MODE FIBRE
ETCHING
CLADDING REGION
DIFFRACTION GRATING
WAVELENGTH-SELECTIVE OPTICAL FIBRE
MULTICHANNEL WDM
DIRECTIONAL COUPLER
NARROWBAND BRAGG-REFLECTION FILTER

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