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Electronic routers have had trouble keeping up with the increase in optical fiber capacity. As their power consumption has grown exponentially and already exceeds standards, it seems that an alternative solution is mandatory. Many have suggested all-optical routers as an alternative. However, these are deemed too complex, especially given the need to implement both switching and buffering, even though their fundamental complexity has apparently never been analyzed. This paper studies the number of fundamental optical components (2 x 2 switches and fiber delay lines) needed to emulate ideal routers.

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Format:PDFSize:327 KB
Date:Feb 2007
Pages:14

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