Ultrafast all-optically controlled 2×2 crossbar switch

Glesk, I. and Il Kang, K. and Prucnal, P. R. (1996) Ultrafast all-optically controlled 2×2 crossbar switch. In: Lasers and Electro-Optics Society Annual Meeting, 1996. IEEE, Piscataway, NJ, United States, pp. 149-150. ISBN 0780331605

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    Abstract

    All-optical packet switching using all-optical routing control, where both ultrafast address recognition and routing of photonic packets were all optically performed on a header with 4 picosecond bit period, was demonstrated. Packets were self-routed through a node with no need for optoelectronic conversion. Terahertz optical asymmetric demultiplexer (TOAD) was used as an optically controlled 2×2 routing switch and as an all optical routing controller. TOAD read the individual address bits in the tightly compressed packet header and set the state of the routing switch. The bit-error rate at the switching element was measured to be less than 10-9.