Working Qubit in Silicon
September 21st, 2012Via: Register:
The University of New South Wales’ School of Electrical Engineering and Telecommunications has created what it says is the world’s first working qubit based on a single atom.
Detailed in a new Nature paper, A single-atom electron spin qubit in silicon, the qubit relies on the ability to impart “spin” to an electron bound to a single phosphorus atom, then read that spin.
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The team now hopes to assemble two working qubits into a logic gate, the next logical step towards building a quantum computer. Morello said building such a device won’t require step into the unknown, but will take a year or two to accomplish.
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