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Microsoft's quantum computer may be the most reliable yet

A quantum computer built by Microsoft and quantum computing firm Quantinuum uses “logical quantum bits” to run simple computational routines with an unprecedented level of reliability

Jennifer Strabley at Quantinuum says the team’s hardware was well suited for the new experiments because it offers a high degree of control over qubits and because its quantum computer already had some of the lowest error rates achieved to date. In 2023, a team of researchers at Harvard University and their colleagues, including some at the quantum computing start-up QuEra, broke the record for the largest number of logical qubits – 48 at once. It is generally accepted that only quantum computers with 100 or more logical qubits will really be able to tackle scientifically and societally relevant problems in areas including chemistry or materials science.

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