arxiv.org
Error-Mitigated Quantum Random Access Memory
March 2024 • Wenbo Shi, Neel Kanth Kundu, Matthew R. McKay, Robert Malaney
As an alternative to quantum error correction, quantum error mitigation methods, including Zero-Noise Extrapolation (ZNE), have been proposed to alleviate run-time errors in current noisy quantum devices. In this work, we propose a modified version of ZNE that provides for a significant performance enhancement on current noisy devices. Our modified ZNE method extrapolates to zero-noise data by evaluating groups of noisy data obtained from noise-scaled circuits and selecting extrapolation functions for each group w…