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Trapped Ion Quantum Computing

Characterization of an atom interferometer in the quasi-Bragg regime

arXiv

Authors: Ashley Béguin, Tangui Rodzinka, Jacques Vigué, Baptiste Allard, Alexandre Gauguet

Year

2021

Paper ID

40937

Status

Preprint

Abstract Read

~2 min

Abstract Words

104

Citations

N/A

Abstract

We provide a comprehensive study of ultra-cold atom diffraction by an optical lattice. We focus on an intermediate regime between the Raman-Nath and the Bragg regimes, the so-called quasi-Bragg regime. The experimental results are in a good agreement with a full numerical integration of the Schrödinger equation. We investigate the long pulse regime limited by a strong velocity selection and the short pulse regime limited by non-adiabatic losses. For each of these regimes, we estimate the multi-port features of the Bragg interferometers. Finally, we discuss the best compromise between these two regimes, considering the diffraction phase shift and the existence of parasitic interferometers.

Why This Paper Matters

This paper contributes to the Trapped-Ion Quantum Computing research area in the Quantum Articles archive.
It adds a 2021 reference point for readers tracking recent quantum research.
We provide a comprehensive study of ultra-cold atom diffraction by an optical lattice.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2112.03086 [2] arXiv https://arxiv.org/abs/2112.03086 [3] Publisher https://arxiv.org/abs/2112.03086

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