Abstract

Conditions are determined for which optical interconnects can transmit information at a higher data rate and consume less power than the equivalent electrical interconnections. The analysis is performed for free-space optical intrachip communication links. Effects of scaling circuit dimensions, presence of signal fan-out, and the use of light modulators as optical signal transmitters are also discussed.

© 1988 Optical Society of America

Speed and energy analysis of digital interconnections: comparison of on-chip, off-chip, and free-space technologies

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