Entanglement-Enhanced Optical Ion Clock

Fig. 4, panel (1)

Measured $\sigma_y(\tau = 1\,\mathrm{s})$ against interrogation time $T_{int}$ (s) for enDFS (red) and ccDFS (blue), with error bars, and the quantum projection noise limits for Ramsey (N=1) (dashed), Ramsey (N=2), ccDFS and enDFS. Shaded bands are the expected stabilities, printed in gray and tinted here in the series colors. The printed blue and red regime shading is not shown.

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Provenance

This panel was recovered from the published vector figure. 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.

Phys. Rev. Lett. 136, 073601 (2026) · DOI: 10.1103/dyqm-k8p6 · arXiv: 2506.11810

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