Influence of the Coriolis force in atom interferometry

TL;DR

This paper demonstrates methods to mitigate Coriolis effects in atom interferometry, significantly improving contrast and enabling larger spacetime areas, which enhances the potential for high-precision measurements.

Contribution

It introduces a tip-tilt mirror technique to remove Coriolis influence and characterizes wave packets, achieving record spacetime areas in atom interferometers.

Findings

Contrast improved by up to 350%

Largest spacetime area in atom interferometry to date

Suppressed systematic effects

Abstract

In a light-pulse atom interferometer, we use a tip-tilt mirror to remove the influence of the Coriolis force from Earth's rotation and to characterize configuration space wave packets. For interferometers with large momentum transfer and large pulse separation time, we improve the contrast by up to 350% and suppress systematic effects. We also reach what is to our knowledge the largest spacetime area enclosed in any atom interferometer to date. We discuss implications for future high performance instruments.