Bonn 2025 – wissenschaftliches Programm
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Q: Fachverband Quantenoptik und Photonik
Q 26: Poster – Precision Measurement, Metrology, and Quantum Effects
Q 26.7: Poster
Dienstag, 11. März 2025, 14:00–16:00, Tent
Theoretical Description of The Sequential Bragg Large Momentum Transfer — •Ashkan Alibabaei1,2, Patrik Mönkeberg2, Florian Fitzek1,2, Naceur Gaaloul1, and Klemens Hammerer2 — 1Leibniz University Hannover, Institut of Quantum Optics, Welfengarten 1, 30167 Hannover, Germany — 2Leibniz University Hannover, Institute für Theoretical physics, Hannover, Germany
We present a comprehensive mathematical framework for the sequential Bragg technique as a method for large momentum transfer (LMT) atom interferometry, utilizing the Floquet formalism, and draw comparisons with the Bloch oscillation LMT approach. In this analysis, we identify a novel loss formalism arising from complex-valued eigenenergies, which we interpret as losses to the continuum. This framework establishes critical design criteria for optimizing the efficiency and accuracy of LMT techniques. To illustrate the practical implications of our findings, we apply them to a recent state-of-the-art experiment[Rodzinka, T., Dionis, E., Calmels, L. et al.].
Keywords: Atom Interferometry; Sequential Bragg; Large Momentum Transfer; Bloch Oscillation; Floquet Physics