Abstract
Mixed-signal multidomain systems present a challenge for computer-aided
design tools. Optical and electronic simulation tools are available as
separate entities. However, to date, successful system-level cosimulation has
not been implemented, leading to expensive refabrication. We present a unique
system-level simulation tool for mixed electrooptical systems. We apply our
tool Chatoyant to the simulation of an optical high-speed free-space
interconnect system designed for 10-GHz speeds. The 10G free-space optical
interconnect module has optical, optoelectronic, and microwave components and
thus is an ideal vehicle to use as a test system. We demonstrate how
Chatoyant, a mixed-signal multidomain simulator, has been used to evaluate
end-to-end performance of this complex system, including the exploration of
design tradeoffs and mechanical tolerancing.
© 2003 IEEE
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