2 papers
cs.IT2025
Overlapped-repetition Shor codes achieving fourfold asymptotic rate
En-Jui Chang
Introducing controlled overlap among a few repetition blocks yields a fourfold asymptotic rate improvement while preserving an average stabilizer weight of \(4\). Substituting the…
quant-ph2025
Quantum keystroke logging
En-Jui Chang
Superdense coding has long been regarded as a secure quantum communication protocol. It is natural to assume that employing logical quantum states with error-correcting capability…