Freiburg 2024 – wissenschaftliches Programm
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Q: Fachverband Quantenoptik und Photonik
Q 55: Poster VI
Q 55.11: Poster
Donnerstag, 14. März 2024, 17:00–19:00, Tent B
Driving Raman transitions using a nano-structured atom chip — •Kai-Christian Bruns1, Julian Lemburg1, Hendrik Heine1, Joseph Muchovo1, Aaditya Mishra1, Waldemar Herr2, Christian Schubert2, and Ernst M. Rasel1 — 1Leibniz Universität Hannover, Institut für Quantenoptik — 2Deutsches Zentrum für Luft- und Raumfahrt (DLR), Institut für Satellitengeodäsie und Inertialsensorik (SI)
In the field of quantum sensing, atom interferometers are a crucial tool for high-resolution measurements. Unfortunately, current systems remain bulky and power consuming making them unreliable for field applications. Grating atom chips simplify quantum sensors by enabling the trapping of atoms in a MOT with a single incident beam.
In this poster, we show measurements of Raman transitions on an atom chip with a grating with a single incident modulated laser beam as well as simulations, which support the results. Using the diffracted beams from the grating in combination with the incoming beam, we can drive Raman transitions along different axes allowing for the construction of a compact multi-axis atom interferometer.
This work is supported by the German Space Agency (DLR) with funds provided by the Federal Ministry for Economic Affairs and Climate protection (BMWK) due to the enactment of the German Bundestag under grant number DLR 50WM1947 (KACTUS II), by the German Research Foundation (DFG) in the CRC 1464 'TerraQ' (Project A03) and from 'QVLS-Q1' through the VW foundation and the ministry for science and culture of Lower Saxony.
Keywords: Multi-axis atom interferometry; Single beam MOT; Atom chip; Optical Grating; Raman transitions