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physics.atom-ph2025★ 1 cited
Entanglement-enhanced optical ion clock
Kai Dietze, Lennart Pelzer, Ludwig Krinner +11
Entangled states hold the promise of improving the precision and accuracy of quantum sensors. We experimentally demonstrate that spectroscopy of an optical clock transition using e…
quant-ph2025★ 1 cited
Bayesian Frequency Metrology with Optimal Ramsey Interferometry in Optical Atomic Clocks
Timm Kielinski, Klemens Hammerer
Frequency metrology is a cornerstone of modern precision measurements and optical atomic clocks have emerged as the most precise measurement devices. In this progress report, we ex…