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Experiment for bidirectional communication at same frequency using internally bypassed star coupler and coherent multichannel technique

: Westphal, F.-J.; Hermes, T.; Hilbk, U.; Meissner, P.


Electronics Letters 28 (1992), No.17, pp.1587-8
ISSN: 0013-5194
Journal Article
Fraunhofer HHI ()
optical couplers; optical links; subscriber loops; error free operation; bidirectional communication; internally bypassed star coupler; coherent multichannel technique; 72 subscriber star coupler; full duplex communications; doubled channel count

The first realisation and operation of a representative part of a 72 subscriber star coupler designed for full duplex communications with doubled channel count is reported. Error free operation with coherent multichannel communications has been proved.