Researchers at the University of Pennsylvania School of Engineering and Applied Science (SEAS) have constructed a lithography-free photonic chip that offers programmable on-chip information processing, yielding photonics-level speed enhanced with superior accuracy and flexibility for artificial intelligence (AI) applications.
The chip uses lasers to beam light onto a semiconductor wafer without defined lithographic pathways.
Explained SEAS' Liang Feng, "Our chip overcomes [reprogrammability, damage, and cost] obstacles and offers improved accuracy and ultimate reconfigurability given the elimination of all kinds of constraints from predefined features."
SEAS' Zihe Gao said the device's active light control can be used "to reroute optical signals and program optical information processing on-chip."
From Penn Engineering Today
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