Quantinuum reports logical error rates falling about 12-fold with each step up in error-correction code distance

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Source: Ars TechnicaBy: John TimmerDate: 10/20/2026, 12:00:00 AM
A preprint from Quantinuum shows logical qubits on its Helios trapped-ion machine growing sharply more reliable as code size rises, though only in memory tests at the largest size. Quantinuum has published results suggesting that error correction on its Helios…
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