Physics – Condensed Matter – Other Condensed Matter
Scientific paper
2005-10-24
Phys. Rev. A 77, 013613 (2008)
Physics
Condensed Matter
Other Condensed Matter
3 figures
Scientific paper
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.
Cennini Giovanni
Geckeler Carsten
Ritt Gunnar
Weitz Martin
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