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Rostock 2019 – wissenschaftliches Programm

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Q: Fachverband Quantenoptik und Photonik

Q 57: Poster: Quantum Optics and Photonics III

Q 57.14: Poster

Donnerstag, 14. März 2019, 16:15–18:15, S Fobau Physik

Opto-mechanical resonator-enhanced atom interferometry — •A. Rajagopalan1, L. L. Richardson1, H. Albers1, L. Kumanchik2, C. Braxmaier2, F. Guzman2, C. Schubert1, W. Ertmer1, D. Schlippert1, and E. M. Rasel11Leibniz Universität Hannover, Institut für Quantenoptik, Welfengarten 1, 30167 Hannover, Germany — 2DLR, Institute of Space Systems, 28359 Bremen, Germany

We combine an optical-mechanical resonator with an atom interferometer. A classical cantilever and matter waves sense their acceleration with respect to a joint reference. Apart from research on macroscopic quantum objects, applications are in the realm of quantum sensing. We demonstrate its robustness by operating an atom-interferometric gravimeter beyond its reciprocal response in a highly dynamic environment, exploiting the common mode signal. As a proof of concept, we have demonstrated post correction using the OMIS by instigating single frequency strong motion for a T=10 ms interferometer. An improvement factor of 16 was achieved yielding 5×10−4ms−2/√Hz in the short term stability of gravitational acceleration measurements with our atom interferometer. We discuss the potential of an advanced OMIS set-up for field gravimeters.

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