Atom Computing runs multi-round toric-code error correction, with errors falling as the code grows

Atom Computing/Atom arrays and Magne

Atom Computing demonstrated many rounds of quantum error correction using a toric code layout, and found logical error rates fell as the code grew. This key scaling property is essential for practical quantum computing; the company is only the second to sustain many rounds.

• Demonstrated up to 90 rounds of syndrome extraction
• Logical error rates decrease as system scales—key for fault tolerance
• Uses ytterbium-171 neutral atoms with mid-circuit measurement
• Second company to achieve sustained multi-round error correction