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Q: Fachverband Quantenoptik und Photonik

Q 7: Precision Measurements

Q 7.8: Poster

Dienstag, 21. September 2021, 16:30–18:30, P

Hybridizing an atom interferometer with an opto-mechanical resonator — •Ashwin Rajagopalan1, Lee Kumanchik2,3, Claus Braxmaier2,3, Felipe Guzmán4, Ernst M. Rasel1, Sven Abend1, and Dennis Schlippert11Leibniz Universität Hannover, Institut für Quantenoptik, Hannover — 2DLR - Institute of Space Systems, Bremen — 3University of Bremen - Center of Applied Space Technology and Microgravity (ZARM),Bremen — 4Department of Aerospace Engineering & Physics, Texas A&M University, College Station, TX 77843, USA

With hybridization we have a quantum and classical sensor measuring acceleration with respect to a joint inertial reference therefore enabling common mode noise rejection. We have used a novel opto-mechanical resonator in order to suppress the effects of inertial noise coupling in our atom interferometer. The OMR possesses a very small form factor, therefore apart from eradicating the need to use a vibration isolation system it also allows for compact dimensions of the sensor head. Therefore, considering the complimentary benefits of the quantum sensor and OMR we foresee the potential for a highly sensitive, portable, compact and robust hybrid quantum inertial navigation sensor.

Reference: Richardson, L.L., Rajagopalan, A., Albers, H. et al. Optomechanical resonator-enhanced atom interferometry. Commun Phys 3, 208 (2020). https://doi.org/10.1038/s42005-020-00473-4

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