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quant-ph2026
Diagnosing and Restoring the Degraded Fault Distance of Magic State Cultivation
Tim Chan, Armands Strikis, Zhu Sun +1
T-state cultivation is a resource-efficient protocol producing logical T states but recent benchmarks show that its logical error rate is considerably higher than intended i.e. tha…
quant-ph2026
Stream Decoding with Confidence Scores at Room and Cryogenic Temperatures
Maries Tahaab, Tim Chan, James Kirkman +1
In fault-tolerant quantum computing, fast and accurate decoding is crucial. Snowflake is a decoder for the surface code that runs in a streaming fashion. In this paper, we implemen…
quant-ph2026
Error mitigation for logical circuits using decoder confidence
Maria Dincă, Tim Chan, Simon C. Benjamin
Fault-tolerant quantum computers use decoders to monitor for errors and find a plausible correction. A decoder may provide a \emph{decoder confidence score} (DCS) to gauge its succ…