Preprint
Sep 2026
Soft decoding for quantum LDPC codes with experimental validation
The decoder is a critical component of a fault-tolerant quantum computer, computing corrections based on parity-check measurements performed throughout the computation. A soft decoder supplements its output with a confidence score which, when used alongside post-selection, can substantially improve logical performance....
Arda Aydin, Edwin Tham, Nicolas Delfosse et al.
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