HIGHLIGHTS
- who: Min Yu from the Published in partnership with The University of New South Wales have published the paper: Quantum Fisher information measurement and verification of the quantum Cramu00e9r-Rao bound in a solid-state qubit, in the Journal: (JOURNAL)
- what: The authors use a nitrogen-vacancy center in diamond to perform a fully efficient phase-estimation quantum measurement by showing saturation of the Cramu00e9r-Rao bound. The authors demonstrate this approach in a Ramsey interferometer, which represents a standard experimental setting for the estimation of an unknown phase parameter. The authors determine the optimal . . .
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