Spectral linewidth broadening in Er-doped-fibre amplifiers measured with less than 1.4 kHz linewidth light source

8 November 1990

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

Vol. 26 (23) , 1965-1967
https://doi.org/10.1049/el:19901271

Abstract

Spectral linewidth broadening in Er-doped-fibre amplifiers is measured by utilising a delayed self-heterodyne interfero-meter with 1.4 kHz resolution in the 1550 nm range. Though the noise floor is broadened, no broadening is observed at the 3 dB down point.

Keywords

NOISE FLOOR
1.4 KHZ LINEWIDTH LIGHT SOURCE
DELAYED SELF-HETERODYNE INTERFEROMETER
SPECTRAL LINEWIDTH BROADENING MEASUREMENT
1550 NM
1.4 KHZ
ER-DOPED-FIBRE AMPLIFIERS

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