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Posted: Nov 30, 2010
Nanodiamond qubits and photonic crystals
(Nanowerk News) Quantum information processing is arguably one of the most fascinating facets of modern quantum physics.
A quantum computer operates with quantum bits (qubits) as units of information. Obeying the laws of quantum mechanics, such a computer would be capable of addressing several of the most difficult computational tasks unsolvable with present technology. In the past few decades, scientists learned to perform room-sized experiments to optically control and read out a small number of qubits.
"Our results suggest a strategy for scaling up quantum information to large-scale systems, which has yet to be done," says Janik Wolters, researcher, at Humboldt Universitšt in Berlin. "We regard our experiment as a milestone on the long road toward on-chip integrated quantum information processing systems, bringing the dream of a quantum computer closer to reality."