Distributed quantum sensing with measurement-after-interaction strategies

Fig. 3, panel (a)

Quantum gain (dB) against the standard deviation $\sigma$ of Gaussian detection noise for a two-mode squeezed vacuum with $r = 0.5$: linear measurements L (blue), nonlocal MAI (red) and local MAI (orange dotted) with $r_{\mathrm{nl}} = r_{\mathrm{loc}} = r$; the two MAI curves coincide.

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This panel was computed from the analytic model published in the paper. The plot shown here is re-rendered for interactive viewing and analysis. See the paper for the original figure and full scientific context.

License: CC BY 4.0.

npj Quantum Inf. 12, 84 (2026) · DOI: 10.1038/s41534-026-01224-z

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