Spontaneous Brillouin noise in long-distance high-bandwidth optical-fibre transmission
- 14 April 1983
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 19 (8) , 275-277
- https://doi.org/10.1049/el:19830193
Abstract
The light propagating in a single-mode optical fibre is found to be converted gradually into forward-scattered spontaneous Rayleigh-Brillouin power. The Brillouin component has a linewidth of -500 MHz and constitutes ~1/200 of the propagating power at 1.3 μm wavelength after 600 km. The measured backscatter-Brillouin shift coefficient is −0.15 GHz/wt% GeO2.Keywords
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