Sunday, April 6, 2008
Exquisite Photon Control On A Silicon Chip Is Major Advance Toward Quantum Computing
A team of physicists and engineers has demonstrated exquisite control of single particles of light -- photons -- on a silicon chip to make a major advance towards the long sought after goal of a super-powerful quantum computer.
Dr Jeremy O'Brien, his PhD student Alberto Politi, and their colleagues at Bristol University have demonstrated the world's smallest optical controlled-NOT gate -- the building block of a quantum computer.
The team were able to fabricate their controlled-NOT gate from silica wave-guides on a silicon chip, resulting in a miniaturised device and high-performance operation.
"This is a crucial step towards a future optical quantum computer, as well as other quantum technologies based on photons," said Dr O'Brien
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Dr Jeremy O'Brien, his PhD student Alberto Politi, and their colleagues at Bristol University have demonstrated the world's smallest optical controlled-NOT gate -- the building block of a quantum computer.
The team were able to fabricate their controlled-NOT gate from silica wave-guides on a silicon chip, resulting in a miniaturised device and high-performance operation.
"This is a crucial step towards a future optical quantum computer, as well as other quantum technologies based on photons," said Dr O'Brien
More from here
Labels: Computer-Science, Physics
PermaLink - Exquisite Photon Control On A Silicon Chip Is Major Advance Toward Quantum Computing posted by Ecacofonix : 9:59 PM
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