Experimental metrology beyond the standard quantum limit for a wide resources range

Abstract Adopting quantum resources for parameter estimation discloses the possibility to realize quantum sensors operating at a sensitivity beyond the standard quantum limit. Such an approach promises to reach the fundamental Heisenberg scaling as a function of the employed resources N in the estim...

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Bibliographic Details
Main Authors: Valeria Cimini, Emanuele Polino, Federico Belliardo, Francesco Hoch, Bruno Piccirillo, Nicolò Spagnolo, Vittorio Giovannetti, Fabio Sciarrino
Format: Article
Language:English
Published: Nature Portfolio 2023-03-01
Series:npj Quantum Information
Online Access:https://doi.org/10.1038/s41534-023-00691-y