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Hannover 2020 – wissenschaftliches Programm

Die DPG-Frühjahrstagung in Hannover musste abgesagt werden! Lesen Sie mehr ...

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Q: Fachverband Quantenoptik und Photonik

Q 13: Posters: Quantum Optics and Photonics I

Q 13.19: Poster

Montag, 9. März 2020, 16:30–18:30, Empore Lichthof

Performance of a CMOS based atom chipFelix Wenzl1, David Werban1, Philipp Neumann1, Alexander Nemecek1, Thomas Fernholz2, Mark Fromhold2, and •Christian Koller11Fachhochschule Wiener Neustadt, Johannes Gutenbergstraße 3, 2700 Wiener Neustadt, Austria — 2School of Physics and Astronomy, The University of Nottingham, University Park Nottingham, NG7 2RD, UK

Neutral atoms and atom chip technology have proven to be an excellent toolkit for the realisation of experiments in fundamental science such as atom interferometry or the study of one-dimensional systems. Ongoing efforts are currently developing them into versatile platforms for quantum-based sensors for e.g. gravity or magnetic fields. As atom chips are based on the tools of modern semiconductor fabrication, they provide a pathway to the very large-scale integration of quantum devices. Nevertheless, current state-of the-art atom chips are usually fabricated as prototypes in research facilities, not using the vast capabilities of modern, commercial semiconductor foundries, resulting in high costs and low throughput of these devices. In this work we will present test results for a next generation atom chip fully build in a commercial foundry utilizing 0.35 µm Complementary Metal Oxide Semiconductor (CMOS) technology. We will show that this chip can reach specification comparable to state-of-the art atom chips but extends the standard capabilities due to the integration of multilayer structures, on-board current switching capabilities, reconfigurable magnetic traps, integrated photodetection and read-out electronics.

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