Syndrome resampling increases QEC thresholds and cuts logical errors by up to four orders of magnitude by biasing toward likely syndromes, linked to Rényi coherent information phase transitions.
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2026 2representative citing papers
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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Syndrome resampling enhances quantum error correction thresholds
Syndrome resampling increases QEC thresholds and cuts logical errors by up to four orders of magnitude by biasing toward likely syndromes, linked to Rényi coherent information phase transitions.
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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.