Postselected sBs stabilization plus repeated finite-energy measurements yield single-mode GKP SPAM error below 10^{-3} (two orders better than prior art) while remaining compatible with autonomous QEC.
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Quantum error correction of a grid-state qubit with state preparation and measurement errors below $10^{-3}$
Postselected sBs stabilization plus repeated finite-energy measurements yield single-mode GKP SPAM error below 10^{-3} (two orders better than prior art) while remaining compatible with autonomous QEC.