Peer-reviewed research published in Nature says Quantinuum's 98-qubit Helios hit 99.9975% for one and 99.921% for two-qubit fidelities, making it the biggest and best-performing, with all-to-all connectivity quantum system around
Summary
Quantinuum's 98-qubit Helios system achieves record single-qubit (99.9975%) and two-qubit (99.921%) fidelities with all-to-all connectivity, as reported in a peer-reviewed paper in Nature.
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