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High-Speed Optical Fiber Networks Using Code-Division Multiple Access for Future Real-Time Computer Communications
IEICE TRANSACTIONS on Communications
Publication Date: 1996/07/25
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on Optical Access Networks toward Life Enhancement)
optical communications, communication networks and services, optical code-division multiple access, prime codes, communication device and circuit,
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In this paper, a feasible optical code-division multiple-access (CDMA) technique is proposed for high-speed computer networks using prime codes and optical signal processing to guarantee real-time data communications. All-optical architectures for fastly tunable CDMA encoders and decoders are presented, which can be feasibly implemented in the optical domain by using electrooptic switches and optical delay lines. This can support an ultrahigh throughput and a very fast reconfiguration time. Furthermore, we present a self-synchronized sample technique to ensure the correct phase synchronization between optical clock stream and asynchronous electronic data at each electrooptic modulator of an optical CDMA transmitter.