GEO modules as a natural basis for all-optical fiber logic systems

A generalized exclusive-OR (GEO) module is closely related to the physics of ultrafast, all-optical, soliton-based fiber logic gates. The authors show that a GEO module is Boolean and connectivity complete for a time-division multiplex system. Counters, time slot interchangers, AND gates, and NOR gates can be constructed from two to four GEO modules. For telecommunications, GEO modules can be used to demultiplex data, decode address headers, and provide rapid access to the network. Since GEO modules lead to minimal component implementation of some fundamental functions, they may be the natural basis for designing fiber-based logic systems. >

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