A constructive orthogonalization method tailors quantum sensor networks to ignore chosen noise waves while retaining Heisenberg-limited sensitivity to a signal wave, with exponential advantage over product states under strong noise.
(23) The first d rows correspond to the noise fields, and the last row corresponds to the signal field
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Selective and noise-resilient wave estimation with quantum sensor networks
A constructive orthogonalization method tailors quantum sensor networks to ignore chosen noise waves while retaining Heisenberg-limited sensitivity to a signal wave, with exponential advantage over product states under strong noise.