Distance-7 surface code implemented on 97 qubits (data: red circles, ancilla: blue circles) of a superconducting quantum processor with all-microwave leakage suppression. Subsets are shown with red and orange lines. Selected for a Viewpoint in Physics Magazine and for an Editors’ Suggestion.
From the article:
Experimental Quantum Error Correction below the Surface Code Threshold via All-Microwave Leakage SuppressionTan He et al.
Phys. Rev. Lett. 135, 260601 (2025)
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