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Bulletin of the American Physical Society

Optical Atomic Clock for Fundamental Physics and Precision Metrology in Space

Jason Williams, Thanh Le, Sascha Kulas, Nan Yu

Published Jun 7, 2017• 0 citations
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Terrestrial optical atomic clocks based on laser cooled atoms confined in the Lamb-Dicke regime in optical lattice traps or ion traps are the most precise and accurate measurement devices of any kind, and can be used to look for very small deviations from the predictions of the Standard Model that would hint at new physics. In this talk, I will discuss the design trade space for robust, autonomous, low-SWaP optical clocks for space, focusing primarily on trapped-ion clocks due to their lower complexity and laser power requirements. I will discuss the potential of integrated photonics to drastically reduce SWaP and increase robustness, and highlight performance targets for future development. Furthermore, I will discuss quantum metrology algorithms that can be used to alleviate the laser system performance requirements and suppress sensitivity to environmental noise. Finally, I will conclude by discussing the new physics reach of various optical atomic clock space flight mission scenarios.