Hannover 2020 – wissenschaftliches Programm

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Q: Fachverband Quantenoptik und Photonik

Q 40: Precision Measurements and Metrology (Atom Interferometry)

Q 40.5: Vortrag

Donnerstag, 12. März 2020, 12:15–12:30, a310

Simulations of Integrated Laser-Guided Atom Interferometers — •Matthew Glaysher, Florian Fitzek, Sina Loriani, Ernst Maria Rasel, and Naceur Gaaloul — Leibniz Universität Hannover, Institute of Quantum Optics, Germany

Atom interferometry provides a highly accurate measurement tool, its applications ranging from inertial sensing and navigation to tests of fundamental physics. High precision interferometry is achieved either by Large Momentum Transfer or long interrogation times. Whereas the more common light pulse interferometer schemes can produce the necessary momentum transfer, guided interferometers can achieve long interrogation times. For guided ensembles it is essential to understand the internal interactions, as well as the inherent systematics they cause, to realize a phase-sensitive interferometer. For this purpose we compute the dynamics of Bose-Einstein Condensates (BECs) by numerically solving the Gross-Pitaevskii-Equation. We specifically investigate beam-splitting mechanisms and the phase evolution of BECs in a guided system, realized by dynamically shaped cavity modes or painted potentials.
The presented work is supported by the VDI with funds provided by the BMBF under Grant No. VDI 13N14838 (TAIOL)

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