Wavelength dependence of Brillouin-gain spectra for single-mode optical fibres

3 March 1988

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

Vol. 24 (5) , 250-252
https://doi.org/10.1049/el:19880168

Abstract

Brillouin-gain profiles are measured for fused-silica core and GeO₂-doped core fibres at wavelengths of 1286nm and 1550nm. The intrinsic Brillouin linewidth is found to vary as the square of optical frequency, as predicted for bulk fusedsilica. However, the experimentally evaluated Brillouin linewidths at both wavelengths are broader by a factor of 2.5 than those predicted for the bulk glass.

Keywords

SIO2
OPTICAL FREQUENCY
SIO2:GEO2
WAVELENGTH DEPENDENCE
1286 NM
FDM TRANSMISSION SYSTEMS
SCATTERING
SINGLE-MODE
FUSED-SILICA CORE
BRILLOUIN-GAIN SPECTRA
1550 NM
OPTICAL FIBRES
INTRINSIC BRILLOUIN LINEWIDTH

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