Off-resonant Raman transitions impact in an atom interferometer

Abstract

We study the influence of off-resonant two photon transitions on high precision measurements with atom interferometers based on stimulated Raman transitions. These resonances induce a two photon light shift on the resonant Raman condition. The impact of this effect is investigated in two highly sensitive experiments: a gravimeter and a gyroscope-accelerometer. We show that it can lead to significant systematic phase shifts, which have to be taken into account in order to achieve best performances in term of accuracy and stability.

References in corpus (7)

• Sensitive Absolute Gravity Gradiometry Using Atom Interferometry
• 6-axis inertial sensor using cold-atom interferometry
• Determination of the Newtonian Gravitational Constant Using Atom Interferometry
• Limits to the sensitivity of a low noise compact atomic gravimeter
• A new determination of the fine structure constant based on Bloch oscillations of ultracold atoms in a vertical optical lattic
• Transportable laser system for atom interferometry
• Influence of optical aberrations in an atomic gyroscope

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