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Home > Press > Electrical engineers take major step toward photonic circuits: Team invents non-metallic metamaterial that enables them to 'compress' and contain light

Cables designed by graduate student Saman Jahani (left) and electrical engineering professor Zubin Jacob are 10 times smaller than existing fibre optic cables—small enough to replace copper wiring still used on computer chips. - See more at: http://uofa.ualberta.ca/news-and-events/newsarticles/2014/august/ualberta-engineers-take-major-step-toward-optical-computing#sthash.nm6gAr1H.dpuf
Cables designed by graduate student Saman Jahani (left) and electrical engineering professor Zubin Jacob are 10 times smaller than existing fibre optic cables—small enough to replace copper wiring still used on computer chips. - See more at: http://uofa.ualberta.ca/news-and-events/newsarticles/2014/august/ualberta-engineers-take-major-step-toward-optical-computing#sthash.nm6gAr1H.dpuf

Abstract:
The invention of fibre optics revolutionized the way we share information, allowing us to transmit data at volumes and speeds we'd only previously dreamed of.

Electrical engineers take major step toward photonic circuits: Team invents non-metallic metamaterial that enables them to 'compress' and contain light

Edmonton, Canada | Posted on August 19th, 2014

Now, electrical engineering researchers at the University of Alberta in Edmonton, Alberta, Canada are breaking another barrier, designing nano-optical cables small enough to replace the copper wiring on computer chips.

This could result in radical increases in computing speeds and reduced energy use by electronic devices.

"We're already transmitting data from continent to continent using fibre optics, but the killer application is using this inside chips for interconnects—that is the Holy Grail," says Zubin Jacob, an electrical engineering professor leading the research. "What we've done is come up with a fundamentally new way of confining light to the nano scale."

At present, the diameter of fibre optic cables is limited to about 1/1000th of a millimetre. Cables designed by graduate student Saman Jahani and Jacob are 10 times smaller—small enough to replace copper wiring still used on computer chips. (Put into perspective, a dime is about 1 mm thick.)

Jahani and Jacob have invented a new, non-metallic metamaterial that enables them to "compress" and contain light waves in smaller cables without creating heat, slowing the signal or losing data. Their findings will be published in Optica (Aug. 20), The Optical Society's (OSA) new high-impact photonics journal. The article is available online.

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The team's research is funded by the Natural Sciences and Engineering Research Council of Canada and the Helmholtz-Alberta Initiative.

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For more information, please click here

Contacts:
Richard Cairney
Communications Officer
University of Alberta Faculty of Engineering
780.492.4514
780.886.9278 (mobile)

Copyright © University of Alberta

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