Frankfurt 2006 – wissenschaftliches Programm

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Q: Quantenoptik und Photonik

Q 8: Quantengase II

Q 8.7: Vortrag

Montag, 13. März 2006, 15:30–15:45, HVI

Interference of an array of atom lasers — •Carsten Geckeler, Giovanni Cennini, Gunnar Ritt, and Martin Weitz — Physikalisches Institut, Auf der Morgenstelle 14, 72076 Tübingen

We report on the observation of interference of a series of atom lasers. A comb-like array of coherent atomic beams is generated by outcoupling atoms from distinct Bose-Einstein condensates confined in the independent sites of a mesoscopic optical lattice. The observed interference signal arises from the spatial beating of the overlapped atom laser beams, which is monitored over a range corresponding to 2 ms of free fall time. The average relative de Broglie frequency of the atom lasers was measured.