The dynamics of a quantum sensor (IMAGE)
Caption
Errors such as noise cause a damping of the signal relative to the ideal case. Finite-rate quantum error correction can recover substantial parts of the lost signal strength, but also shifts the sensing frequency, leading to the progressive build-up of a bias (shown as grey bars).
Credit
Adapted from Rojkov et al. Phys. Rev. Lett. 128, 140503 (2022).
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