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Chapter 1 Introduction to Optical Networ... > 1.6 Optical Packet Switching - Pg. 24

24 Introduction to Optical Networks OEO All-optical subnet l 2 l 1 Lightpath OEO Wavelength conversion OEO Regeneration OEO Adaptation OEO l 1 l 2 All-optical subnet All-optical subnet OEO Figure 1.10 An optical network consisting of all-optical subnetworks interconnected by optical-to-electrical-to-optical (OEO) converters. OEO converters are used in the network for adapting external signals to the optical network, for regeneration, and for wavelength conversion.