All-optical clock and data separation technique for asynchronous packet-switched optical time-division-multiplexed networks

Toliver, P. and Glesk, Ivan and Prucnal, P.R. (2000) All-optical clock and data separation technique for asynchronous packet-switched optical time-division-multiplexed networks. Optics Communications, 173 (1-6). pp. 101-106. ISSN 0030-4018

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Abstract

We propose and experimentally demonstrate an all-optical technique for separating a clock synchronization pulse from an optical time-division-multiplexed (OTDM) 100 Gb/s data packet. The technique is based on an all-optical switching device combined with optical feedback. This approach removes limitations found in other techniques such as those that are sensitive to long strings of zeroes in the data packet.