Beloy, K.
(2018),
Hyper-Ramsey spectroscopy with probe laser intensity fluctuations, Physical Review A, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=925111
(Accessed October 28, 2025)
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Hyper-Ramsey spectroscopy with probe laser intensity fluctuations
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Abstract
We examine the influence of probe laser intensity fluctuations on hyper-Ramsey spectroscopy. We assume, as is appropriate for relevant cases of interest, that the probe laser intensity $I$ determines both the Rabi frequency $(\propto\sqrt)$ and the frequency shift to the atomic transition $(\propto I)$ during probe laser interactions with the atom. The spectroscopic signal depends on these two quantities that co-vary with fluctuations in the probe laser intensity. Introducing a simple model for the fluctuations, we find that the signature robustness of the hyper-Ramsey method can be compromised. Taking the Yb+ electric octupole clock transition as an example, we quantify the clock error under different levels of probe laser intensity fluctuations.Citation
Physical Review A
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Journals
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Keywords
hyper-Ramsey spectroscopy, optical clock, optical frequency standard, Stark effect
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Created March 29, 2018, Updated February 21, 2019