Phase response of atom interferometers based on sequential Bragg diffractions

Abstract

Large Momentum Transfer (LMT) beam splitters are implemented in atom interferometers to increase their sensitivity. However, LMT-interferometer requires additional light-pulses that modify the response function of the atom interferometer. In this paper, we develop an analytical model for the sensitivity function of the LMT-interferometers using sequential accelerating light pulses. We use the sensitivity function to calculate the acceleration sensitivity taking into account the pulse duration. In addition, the sensitivity to laser phase uctuations is calculated, and we show that the pulse sequence can be engineered to mitigate the phase noise sensitivity.

14 pages, 8 figures

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Cited by in corpus (3)

• Sr atom interferometry with the optical clock transition as a gravimeter and a gravity gradiometer
• Atom interferometry with coherent enhancement of Bragg pulse sequences
• Atomic Raman scattering: Third-order diffraction in a double geometry