Abstract

Conventional all-optical feedback-based clock recovery techniques for optical time-domain multiplexing (OTDM) networks place restrictions on the allowed data patterns that can be transmitted. We propose a data-independent clock distribution solution based on amplitude discrimination and experimentally demonstrate it in an $80\mathrm{Gbits}∕\mathrm{s}$ self-clocked OTDM transmission. According to the method a single OTDM subchannel is used for exchanging clock information. All processing is performed all optically in low latency nonlinear-optical-loop-mirror-based switches with short $(\sim 10\mathrm{m})$ nonlinear elements.

© 2009 Optical Society of America

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