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Q: Fachverband Quantenoptik und Photonik

Q 54: Posters: Quantum Optics and Photonics IV

Q 54.20: Poster

Donnerstag, 12. März 2020, 16:30–18:30, Empore Lichthof

Detecting gravitational waves with atom interferometers — •Christian Schubert, Dennis Schlippert, Sven Abend, Sina Loriani, Naceur Gaaloul, Wolfgang Ertmer, and Ernst M. Rasel — Leibniz Universität Hannover, Institut für Quantenoptik, Welfengarten 1, 30167 Hannover

The combination of two atom interferometers enables geometries sensitive to the strain induced by a gravitational wave. This contribution will introduce the operation principle of atom interferometers for gravitational wave detection and highlight the key parameters which can e.g. be adjusted to close the gap between the laser interferometers Virgo, aLIGO, and LISA. Addressing this scenario, the contribution will discuss advantages and disadvantages of specific interferometer schemes, experimental demonstration activities, and put these into perspective for the proposed European infrastructure ELGAR.
The authors acknowledge support by the CRC 1227 DQ-mat (B07), the DLR with funds provided by the BMWi due to an enactment of the German Bundestag under Grant No. 50WM1952, 50RK1957, the DFG under Germany’s Excellence Strategy - EXC-2123-B2, and “Niedersächsisches Vorab" through the “Quantum- and Nano- Metrology (QUANOMET)" initiative (project QT3).