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China-US chip war takes a quantum leap with breakthroughs declared on same day


Peking University and Microsoft research teams’ papers reveal very different approaches to achieving stable, error-free qubits.

The global race for quantum supremacy has intensified, with research teams from China and the United States announcing major achievements in this week’s edition of the prestigious peer-reviewed journal Nature. While Peking University researchers unveiled the world’s first large-scale quantum entanglement on an optical chip, a Microsoft team claimed to have created topological qubits – often regarded as a “holy grail” for the technology’s development. The technology moved closer to “harnessing millions of potential qubits working together to solve the unsolvable – from new medicines to revolutionary materials – all on a single chip”, the company wrote in a post on social media.

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