Exploring Asymmetric QEC Code Concatenation

arXiv:2609.25251 · quant-ph · Submitted 2026-09-21 · Read on arXiv

quant-ph

Submitted: 2026-09-21

Updated: 2026-09-21

Terminology

• CSS Codes — 1× in this paper · explained in 2 episodes
• Decode — 1× in this paper · explained in 2 episodes
• Entanglement — 1× in this paper · explained in 3 episodes
• Post-Selection — 1× in this paper · explained in 2 episodes

Sources

• Computing with many encoded logical qubits beyond break-even
• Yoked surface codes
• Quantum Error Detection For Early Term Fault-Tolerant Quantum Algorithms
• Hardness of decoding quantum stabilizer codes
• Blocklet concatenation: Low-overhead fault-tolerant protocols for fusion-based quantum computation
• Subsystem many-hypercube codes: High-rate concatenated codes with low-weight syndrome measurements
• Demonstration of a Logical Architecture Uniting Motion and In-Place Entanglement
• Protecting Expressive Circuits with a Quantum Error Detection Code
• Batched high-rate logical operations for quantum LDPC codes

Related papers

• Reconquering Bell sampling on qudits: stabilizer learning and testing, quantum pseudorandomness bounds, and more
• Encrypted clones can leak: Classification of informative subsets in Quantum Encrypted Cloning
• Polynomial-time classical and quantum simulation of quantum impurity models
• Theory of quantum-enhanced interferometry with general Markovian light sources
• A convergent hierarchy of spectral gap certificates for qubit Hamiltonians
• Universal Bound and Phase Transition in Many-Body Fermionic Non-Gaussianity