R. Gaudino, S. Han, M. Shell, M. Vaughn, D. Blumenthal, J. Laskar
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引用次数: 2
Abstract
Fiber-optic networks offer the potential to support very wideband, flexible communications for future analog and digital applications. Optical subcarrier multiplexing (OSCM) allows parallel data channels to be transmitted on an optical fiber using a single optical source. One application of OSCM is out-of-band signaling in optical fibers where the &ita channel is transmitted at baseband and the control channel multilplexed onto an RF subcarrier. The control channel is easily recovered by following photodetection with a microwave bandpass filter. Digital information transmitted on the microwave subcarrier can be used to setup end-to-end connections in a circuit switched network;, handle contention resolution [ 13, and transmit headers in packet-based networks [2, 3,4].
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