Frequency of the ultranarrow S0 1 - P2 3 transition in Sr 87

Oleksiy Onishchenko*, Sergey Pyatchenkov, Alexander Urech, Chun Chia Chen, Shayne Bennetts, Georgios A. Siviloglou, Florian Schreck

*Corresponding author for this work

Research output: Contribution to JournalArticleAcademicpeer-review

Abstract

We determine the frequency of the ultranarrow Sr87S01-P23 transition by spectroscopy of an ultracold gas. This transition is referenced to four molecular iodine lines that are observed by Doppler-free saturation spectroscopy of hot iodine vapor. The frequency differences between the Sr and the I2 transitions are measured with an uncertainty of 0.5MHz. The absolute frequency of the Sr87S01-P23 (F′=7/2) transition is 446648775(30)MHz and limited in accuracy by the iodine reference. This work prepares the use of the Sr S01-P23 transition for quantum simulation and computation.

Original languageEnglish
Article number052503
JournalPhysical Review A
Volume99
Issue number5
DOIs
Publication statusPublished - 8 May 2019

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