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Interference of an array of atom lasers

Giovanni Cennini·Carsten Geckeler·Gunnar Ritt·Martin Weitz
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Abstract

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 sampled over a vertical region corresponding to 2 ms of free fall time. The average relative de Broglie frequency of the atom lasers was measured.

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Giovanni Cennini, Carsten Geckeler, Gunnar Ritt, Martin Weitz. 2005-10-24. Interference of an array of atom lasers. https://doi.org/10.1103/physreva.77.013613

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