Two different quantum computers, one using light and the other superconducting circuits, have done calculations well beyond the capability of conventional computers – according to physicists in China. The breakthroughs provide further encouragement that quantum computers could soon be solving practical problems that are impossible to implement on conventional, or “classical”, computers.
The quantum computers were built by two groups at the Hefei National Laboratory for Physical Sciences of the University of Science and Technology of China. Both groups are led by Jian-Wei Pan.
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