Author

S. Stein

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Book Open access Sep 2026

S2PAR: Scalable Surface Code Ancilla Routing Card for Distributed Fault-Tolerant Quantum Computing

The surface code is a leading quantum error correction candidate for fault-tolerant quantum computing. Within this framework, Pauli-based computation eliminates Clifford gates at the cost of higher-weight multi-qubit operators that require large ancilla patches. The dominant bottleneck for scaling such systems across d...

Samuel A. Stein, Shu-Wen Kan, Charles Guinn et al. · Proceedings of the Internati... · 1 citation

Preprint Sep 2026

Decoder Model Compatibility Provides Information beyond the Logical Gap under Drifting and Correlated Quantum Noise

Quantum error-correcting decoders provide both corrections and confidence estimates for the logical-error risk of individual measurement records. Such confidence can guide postselection, but it depends on the accuracy of the decoder noise model. When the physical device drifts away from that model, confidence measures...

Aaron Hoyt, Chun-Shu Wu, Shu-Wen Kan et al. · 0 citations

Preprint Jul 2026

Encoding Choices and Fault-Tolerant Resource Estimates for Digital Quantum Hamiltonian Descent

An encoding-aware resource analysis comparing one-hot and binary amplitude encodings for QHD suggests that exploiting the analytic structure of the target function to compile the potential evolution in QHD more efficiently is needed for further resource reductions.

Chenxu Liu, Meng Wang, Mingze Li et al. · 0 citations