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APS » Journals » Phys. Rev. Lett. » Volume 97 » Issue 20
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Phys. Rev. Lett. 97, 200402 (2006) [4 pages]

Guided Quasicontinuous Atom Laser

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W. Guerin*, J.-F. Riou, J. P. Gaebler†, V. Josse, P. Bouyer, and A. Aspect
Laboratoire Charles Fabry de l’Institut d’Optique, CNRS et Université Paris Sud 11, Campus Polytechnique, RD 128, 91127 Palaiseau, France

Received 12 July 2006; published 13 November 2006

We report the first realization of a guided quasicontinuous atom laser by rf outcoupling a Bose-Einstein condensate from a hybrid optomagnetic trap into a horizontal atomic waveguide. This configuration allows us to cancel the acceleration due to gravity and keep the de Broglie wavelength constant at 0.5  μm during 0.1 s of propagation. We also show that our configuration, equivalent to pigtailing an optical fiber to a (photon) semiconductor laser, ensures an intrinsically good transverse mode matching.

© 2006 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.97.200402
DOI:
10.1103/PhysRevLett.97.200402
PACS:
03.75.Pp, 39.20.+q, 41.85.Ew, 42.60.Jf

*Email address: William.Guerin@institutoptique.fr

Electronic address: www.atomoptic.fr

†Present address: JILA, University of Colorado, 440 UCB, Boulder, CO 80309-0440, USA.

 
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