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Ground-based Research to Improve Future Atomic Clocks and Interferometers for Fundamental Physics in Space

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Ground-based Research to Improve Future Atomic Clocks and Interferometers for Fundamental Physics in Space

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  • Author: Kurt Gibble
Ground-based research is needed to fully realize the advances of atomic clock accuracy and atom interferometer precision that satellites provide these quantum sensors. With long-term goals of stabilities exceeding 10-20, problems to address for future space missions include uncertainties due to blackbody radiation and non-linear lattice light shifts. Approaches include developing techniques beyond operational magic wavelengths, engineering thermal environments, and using atoms with small sensitivities to blackbody radiation, which is likely to entail proving UVA laser sources for space.

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