Düsseldorf 2007 – wissenschaftliches Programm
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Q: Fachverband Quantenoptik und Photonik
Q 62: Poster Ultrakalte Atome
Q 62.17: Poster
Donnerstag, 22. März 2007, 16:30–18:30, Poster C
A setup for experiments with microwaves on atom chips — Pascal Böhi1, •Johannes Hoffrogge1, Theodor Hänsch1, Jakob Reichel2, and Philipp Treutlein1 — 1Max-Planck-Institut für Quantenoptik and Ludwig-Maximilians-Universität, München, Germany — 2Laboratoire Kastler Brossel de l’E.N.S, Paris, France
We present our new setup for experiments with microwave near-fields on atom chips. Microwave near-fields are a key ingredient for atom chip applications such as quantum information processing, entanglement of Bose-Einstein condensates, atom interferometry, and chip-based atomic clocks [1,2].
On our atom chip, carefully designed gold structures allow to combine microwave signals and stationary currents in the same wires. We characterize the miniaturized microwave guiding structures on our chip, which were fabricated using a newly developed process for chips with multiple layers of metallization. For the stationary currents, we have developed fast yet very stable current sources. We give an overview over our setup and report the latest progress of our experiment.
[1] P. Treutlein et al., Phys. Rev. Lett. 92, 203005 (2004).
[2] P. Treutlein et al., Phys. Rev. A 74, 022312 (2006).