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Signal estimation and coherence

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Abstract

We address the relation between quantum metrological resolution and quantum coherence. We develop a quantum version of the Wiener–Khintchine theorem for a suitable model of a quantum ruler, putting the contributions of the probe and measurement on equal footing. We illustrate this approach with several examples of linear metrology.

© 2021 Optical Society of America

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Corrections

Laura Ares and Alfredo Luis, "Signal estimation and coherence: publisher’s note," Opt. Lett. 46, 6111-6111 (2021)
https://opg.optica.org/ol/abstract.cfm?uri=ol-46-24-6111

22 November 2021: A typographical correction was made to the affiliations.


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Data Availability

No data were generated or analyzed in the presented research.

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