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Conference on Lasers and Electro-Optics

Optical guiding of atoms through a hollow-core photonic band-gap fiber

R. J. Knize, T. Takekoshi

Published May 1, 2008• 3 citations
Publisher

Abstract

We have demonstrated guiding of rubidium atom through a hollow core photonic bandgap fiber. Rb atoms from a thermal oven travel down 6 cm fiber with an efficiency that is greater than 70%.
DOI
10.1109/cleo.2008.4551935

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arXiv:1010.0101•New Journal of Physics•Dec 9, 2010•51 citations
We demonstrate the first guiding of cold atoms through a 88 mm long piece of photonic band gap fiber. The guiding potential is created by a far-off resonance dipole trap propagating inside the fiber with a hollow core of 12 μm. We load the fiber from a dark spot 85 Rb magneto-optical trap and observe a peak flux of more than 10 5 atoms s −1 at a velocity of 1.5 m s −1 . With an additional reservoir optical dipole trap, a constant atomic flux of 1.5 × 10 4 atoms s −1 is sustained for more than 150 ms. These results open up interesting possibilities to study nonlinear light–matter interaction in a nearly one-dimensional geometry and pave the way for guided matter wave interferometry.