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SOA-based subcarrier add-drop multiplexer for dual-bus digital systems

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Abstract

A semiconductor optical amplifier (SOA) is a versatile optical component with multiple functions, e.g., optical amplification, detection, and modulation.1 SOAs with these functions have been applied to transmission systems as full-duplex transceivers-’ and as transceivers with optical gain.3 In this paper we demonstrate still another application of SOAs as an important network element—an add—drop multiplexer (ADM). The ADM function of an SOA was implemented in a digitally modulated subcarrier-multiplexed system with the general configuration shown in Fig. 1(a). This dual-bus system can be used for local- area-network interconnections or linear SONET digital-loop- carrier ADM applications.

© 1994 Optical Society of America

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