Autobalanced Ramsey Spectroscopy

Physical Review Letters
C SannerE Peik

Abstract

We devise a perturbation-immune version of Ramsey's method of separated oscillatory fields. Spectroscopy of an atomic clock transition without compromising the clock's accuracy is accomplished by actively balancing the spectroscopic responses from phase-congruent Ramsey probe cycles of unequal durations. Our simple and universal approach eliminates a wide variety of interrogation-induced line shifts often encountered in high precision spectroscopy, among them, in particular, light shifts, phase chirps, and transient Zeeman shifts. We experimentally demonstrate autobalanced Ramsey spectroscopy on the light shift prone ^{171}Yb^{+} electric octupole optical clock transition and show that interrogation defects are not turned into clock errors. This opens up frequency accuracy perspectives below the 10^{-18} level for the Yb^{+} system and for other types of optical clocks.

References

May 1, 1993·Physical Review. a·W M ItanoD J Wineland
Apr 5, 2000·Nature·C H Bennett, D P DiVincenzo
May 21, 2005·Physical Review Letters·Robin SantraJun Ye
Apr 12, 2011·Optics Letters·Svetoslav S Ivanov, Nikolay V Vitanov
Apr 3, 2012·Physical Review Letters·N HuntemannE Peik
Dec 12, 2012·Physical Review Letters·N HuntemannV I Yudin
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Feb 27, 2016·Physical Review Letters·N HuntemannE Peik
Jan 1, 2011·Living Reviews in Relativity·Jean-Philippe Uzan

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Citations

Jun 5, 2018·Reports on Progress in Physics·Thomas Zanon-WilletteEnnio Arimondo
Apr 6, 2019·Physical Review Letters·M ShukerE A Donley
Dec 7, 2018·The Review of Scientific Instruments·F TricotE de Clercq
Jul 25, 2019·Nature·Katherine C McCormickDietrich Leibfried
Oct 6, 2020·Physical Review Letters·Ian CountsVladan Vuletić
Mar 14, 2020·Physical Review Letters·R KaewuamM D Barrett
Dec 13, 2019·Nature Communications·H BekkerJ C Berengut
Jan 1, 2020·Physical Review. X·D KienzlerD Leibfried
Jul 17, 2021·Optics Express·Chengyin HanChaohong Lee
Jul 17, 2021·Physical Review Letters·K Beloy

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