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October 16, 2009

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Quantum Computer Chips Now 1 Step Closer to Reality

From Science Centric

In the quest for smaller, faster computer chips, researchers are increasingly turning to quantum mechanics - the exotic physics of the small.

The problem: the manufacturing techniques required to make quantum devices have been equally exotic.

That is, until now.

Researchers at Ohio State University have discovered a way to make quantum devices using technology common to the chip-making industry today.

This work might one day enable faster, low-power computer chips. It could also lead to high-resolution cameras for security and public safety, and cameras that provide clear vision through bad weather.

Paul Berger, professor of electrical and computer engineering and professor of physics at Ohio State University, and his colleagues report their findings in an upcoming issue of IEEE Electron Device Letters.

The team fabricated a device called a tunnelling diode using the most common chip-making technique, called chemical vapour deposition.

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