Protecting quantum information from noise is essential for reliable quantum computation and quantum memories. Quantum state purification addresses this challenge by processing multiple noisy copies of an unknown quantum state to produce an output state of higher fidelity. Here we establish nearly tight upper and lower...
Jia-Liang Tang, Jun-Hong Nie, Ke-Ming He et al.· 0 citations
This survey presents a full-stack view of compiler design for QEC-protected quantum computation, and identifies open challenges in cross-layer optimization, qLDPC compilation, compiler-decoder co-design, runtime adaptivity, and the development of integrated and benchmarkable FTQC compilation stacks.
Cheng-Hong Zhu, Jia-Han Chen, Ke-Ming He et al.· 0 citations
Quantum state purification aims to recover higher-fidelity quantum states from multiple noisy copies and is a fundamental primitive for quantum information processing. Magic resources enable operations beyond classically simulable dynamics and are central to universal fault-tolerant quantum computation. Recent no-go re...
The results make precise how permutation-based logical entangling constrains code design within the HGP framework is designed, demonstrate the circuit-level benefits of the unique family, and guide the search for phantom qLDPC families with better asymptotic parameters for low-overhead fault tolerance on neutral-atom h...
K. He, Ziao Tang, Zetong Li et al.· 0 citations
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