Bonn 2025 – wissenschaftliches Programm
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Q: Fachverband Quantenoptik und Photonik
Q 33: Matter Wave Interferometry I
Q 33.3: Vortrag
Mittwoch, 12. März 2025, 11:30–11:45, HS I
Simulation of 3D inhomogeneous Raman excitation rates under arbitrary rotations — •Ali Mouttaki1,2, Christian Struckmann1, Cyrille des Cognets2, Vincent Jarlaud2,3, Jan-Niclas Kirsten-Siemß1, Vincent Ménoret3, Baptiste Battelier2, and Naceur Gaaloul1 — 1Leibniz University Hannover, Institute of Quantum Optics, Germany — 2Laboratoire Photonique, Numérique et Nanosciencces (LP2N), Univ. Bordeaux, CNRS, Institut d’Optique d’Aquitaine, France — 3Exail, Institut d’Optique d’Aquitaine, France
Atom interferometers offer several advantages over classical sensors for inertial measurements due to their high sensitivity, great precision and long-term stability. Building on these strengths, the joint laboratory iXAtom - established by LP2N and Exail - aims to develop the next generation of inertial sensors based on cold atoms for geophysics and navigation [Science Advances, vol. 8, no. 45, 2022]. However, onboard applications still face persistent challenges such as low excitation rates and contrast loss caused by rotation and vibrations.
In this work, we present a simulator of 3D inhomogeneous Raman excitation rates of thermal atomic clouds operating under arbitrary orientations and rotation rates of the laser beam. The numerical simulations are validated through comparisons with experimental data. Moreover, we highlight how this simulator allows to better quantify and understand the impact of rotation on atom interferometers.
Keywords: Atom interferometry; Raman transitions; Excitation rates; Rotation; Inertial navigation