Fibre Bragg reflector for mode selection and line-narrowing of injection lasers

1 January 1986

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

Vol. 22 (3), 134-135
https://doi.org/10.1049/el:19860094

Abstract

A surface-relief grating on a side-polished single-mode fibre acts as an external Bragg reflector for standard, multilongitudinal-mode 1.3 μm injection lasers. With 2 m fibre length, single-mode, 60 kHz linewidth operation at 1 mW is obtained.

Keywords

MODE SELECTION
LINE-NARROWING
SEMICONDUCTOR LASER
SURFACE-RELIEF GRATING
INJECTION LASERS
60 KHZ LINEWIDTH OPERATION
SINGLE-MODE FIBRE
BRAGG REFLECTOR

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