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Oxford physicists set new world record for qubit operation accuracy | Achieving the lowest-ever error rate for a quantum logic operation—just 0.000015%, or one error in 6.7 million operations.
Physicists at the University of Oxford have set a new global benchmark for the accuracy of controlling a single quantum bit, achieving the lowest-ever error rate for a quantum logic operation—just 0.000015%, or one error in 6.7 million operations. This record-breaking result represents nearly an order of magnitude improvement over the previous benchmark, set by the same
To put the result in perspective: a person is more likely to be struck by lightning in a given year ( 1 in 1.2 million) than for one of Oxford’s quantum logic gates to make a mistake. Unlike the conventional approach, which uses lasers, the Oxford team controlled the quantum state of the calcium ions using electronic (microwave) signals. The group’s expertise led to the launch of the spinout company Oxford Ionics in 2019, which has become an established leader in high-performance trapped-ion qubit platforms.Whilst this record-breaking result marks a major milestone, the research team caution that it is part of a larger challenge.
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