Guided quasicontinuous atom laser |
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Authors: | Guerin W Riou J-F Gaebler J P Josse V Bouyer P Aspect A |
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Institution: | Laboratoire Charles Fabry de l'Institut d'Optique, CNRS et Université Paris Sud 11, Campus Polytechnique, RD 128, 91127 Palaiseau, France. William.Guerin@institutoptique.fr |
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Abstract: | 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 microm 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. |
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