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Influence of optical feedback on the baseband spectra of a fiber-optical Gbit/s-transmission system

: Enning, B.; Wenke, G.

Journal of optical communications 4 (1983), No.3, pp.91-3
ISSN: 0173-4911
Journal Article
Fraunhofer HHI ()
digital communication systems; feedback; optical fibres; optical links; optical feedback; baseband spectra; fiber-optical Gbit/s-transmission system; bit error rate; noise enhancement; electronic filter circuit

Describes one effect of optical feedback measured in the baseband of an optical transmission system which deteriorates the bit error rate BER. It is shown that noise enhancement due to the optical feedback can be reduced under certain circumstances by an appropriate electronic filter circuit.