Google uses reinforcement learning to correct quantum processor drift in real time
VraserX · x · 2026-07-26
Google researchers used reinforcement learning to tune thousands of quantum-control parameters while a computation was still running.
- On the Willow processor, the method improved logical stability by 3.5× under artificially introduced drift.
- After expert calibration, it reduced logical error rates by another 20%.
- The work was published in Nature, and the accompanying figure frames it as a step toward a quantum computer that can learn from its own errors.
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