4 papers
Enhancing Fault-Tolerant Surface Code Decoding with Iterative Lattice Reweighting
Yi Tian, Y. Zheng, Xiaoting Wang +1
Efficient and realistic error decoding is crucial for fault-tolerant quantum computation (FTQC) on near-term devices. While decoding is a classical post-processing task, its effect…
Efficient Approximate Degenerate Ordered Statistics Decoding for Quantum Codes via Reliable Subset Reduction
Ching-Feng Kung, Kao-Yueh Kuo, Ching-Yi Lai
Efficient and scalable decoding of quantum codes is essential for high-performance quantum error correction. In this work, we introduce Reliable Subset Reduction (RSR), a reliabili…
Streaming Belief Propagation on Mixed-Alphabet Tanner Graphs for Practical Quantum Memory
Kao-Yueh Kuo, Ching-Yi Lai
Reliable quantum memory under circuit-level noise requires decoders that can process syndrome information continuously and at a rate comparable to its generation. In practical quan…
Reducing Quantum Error Correction Overhead with Versatile Flag-Sharing Syndrome Extraction Circuits
Pei-Hao Liou, Ching-Yi Lai
Given that quantum error correction processes are unreliable, an efficient error syndrome extraction circuit should use fewer ancillary qubits, quantum gates, and measurements, whi…