3 papers
quant-ph2026
Efficient learning of logical noise from syndrome data
Han Zheng, Chia-Tung Chu, Senrui Chen +4
Characterizing errors in quantum circuits is essential for device calibration, yet detecting rare error events requires a large number of samples. This challenge is particularly se…
quant-ph2025
Distance-preserving stabilizer measurements in hypergraph product codes
Argyris Giannisis Manes, Jahan Claes
Unlike the surface code, quantum low-density parity-check (QLDPC) codes can have a finite encoding rate, potentially lowering the error correction overhead. However, finite-rate QL…
quant-ph2024
Achieving metrological limits using ancilla-free quantum error-correcting codes
Sisi Zhou, Argyris Giannisis Manes, Liang Jiang
Quantum error correction (QEC) is theoretically capable of achieving the ultimate estimation limits in noisy quantum metrology. However, existing quantum error-correcting codes des…