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160 Gbit/s DPSK transmission over 320 km fibre link with high long-term stability

: Ferber, S.; Ludwig, R.; Boerner, C.; Schubert, C.; Schmidt-Langhorst, C.; Kroh, M.; Marembert, V.; Weber, H.G.


Electronics Letters 41 (2005), Nr.4, S.200-202
ISSN: 0013-5194
Fraunhofer HHI ()

Long-term BER measurements (10 h) of a single-channel 160 Gbit/s transmission over 4/spl times/80 km high-dispersion fibre are reported, using a single polarisation signal, RZ-DPSK coding and EDFA amplification solely. Pulse source, demultiplexing optical gate, clock recovery and the balanced detector are based on semiconductor components. Completely error-free transmission was observed for more than 5 h without using FEC.