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Diamonds shine in quantum networks
Date:4/26/2011

nd powerful information processing. In practice, this is challenging to demonstrate because of the small size of the impurities (a few nanometers) and the experimental complexity that comes along with studying and controlling several nanoscale quantum systems at once.

Researchers at Hewlett Packard Labs and Barclay, who worked on this research at HP and is now a professor in the Department on Physics and Astronomy at the University of Calgary, have created photonic "microring resonators" on diamond chips. These microrings are designed to efficiently channel light between diamond impurities, and an on-chip photonic circuit connected to quantum impurities at other locations on the chip.

In future work, this microring will be connected to other components on the diamond chip, and light will be routed between impurities.

"This work demonstrates the important connection between fundamental physics, blue sky applications, and near-term problem solving. It involves many of the same concepts being pushed by companies such as HP, IBM, and Intel who are beginning to integrate photonics with computer hardware to increase performance and reduce the major problem of heat generation," says Barclay.


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Contact: Leanne Yohemas
leanne.yohemas@ucalgary.ca
403-540-6552
University of Calgary
Source:Eurekalert

Page: 1 2

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