Reducing Decoding Latency in Quantum Error Correction by Early Starting Clustering

arXiv:2609.15612 · quant-ph · Submitted 2026-09-14 · Read on arXiv

quant-ph

Submitted: 2026-09-14

Updated: 2026-09-17

Terminology

• Accuracy — 23× in this paper · explained in 1 episode
• Clustering — 18× in this paper · explained in 2 episodes
• Benchmark — 3× in this paper · explained in 2 episodes
• Distance Preservation — 3× in this paper · explained in 2 episodes
• Distillation — 3× in this paper · explained in 2 episodes
• Union Find — 3× in this paper
• Decode — 2× in this paper · explained in 2 episodes
• Decoupling — 2× in this paper · explained in 2 episodes
• International Conference on Quantum Computing and Engineering — 2× in this paper
• Entanglement — 1× in this paper · explained in 4 episodes
• Fidelity — 1× in this paper · explained in 2 episodes
• Temporal Correlations — 1× in this paper · explained in 2 episodes

Sources

• Low overhead quantum computation using lattice surgery
• Lattice surgery for near-term experimental logical qubit entanglement creation in planar architectures
• Magic state cultivation: growing T states as cheap as CNOT gates
• Magic state cultivation on a superconducting quantum processor
• A superconducting surface-code processor with lattice-surgery logical operations
• Surface code logical operations on a superconducting quantum processor
• The Fast for the Curious: How to accelerate fault-tolerant quantum applications
• A scalable and real-time neural decoder for topological quantum codes
• Hierarchical decoding to reduce hardware requirements for quantum computing
• Real-time decoding of the gross code memory with FPGAs
• Modular decoding: parallelizable real-time decoding for quantum computers
• Toward Low-latency Iterative Decoding of QLDPC Codes Under Circuit-Level Noise
• Even More Efficient Soft-Output Decoding with Extra-Cluster Growth and Early Stopping
• PyMatching: A Python package for decoding quantum codes with minimum-weight perfect matching

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