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Transparent switching node for optical frequency division multiplexed signals



Electronics Letters 29 (1993), Nr.10, S.912-13
ISSN: 0013-5194
Fraunhofer HHI ()
digital communication systems; frequency division multiplexing; multiplexing equipment; optical communication equipment; optical fibres; optical links; optical switches; optical fdm signals; switching node; frequency division multiplexed signals; transparent node; space frequency domain; bit rates; modulation schemes; signal path architecture; supervision

A laboratory 4*4 transparent node for the space frequency domain has been set up in which optical frequency division multiplexed (OFDM) signals at different bit rates and modulation schemes can be switched simultaneously. The feasibility, signal path architecture, supervision, control, and performance of this node are reported.