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Multimode interferometer for guided matter waves

Andersson, E. and Calarco, T. and Folman, R. and Andersson, M. and Hessmo, B. and Schmiedmayer, J. (2002) Multimode interferometer for guided matter waves. Physical Review Letters, 88 (10). 100401/1-100401/4. ISSN 0031-9007

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Atoms can be trapped and guided with electromagnetic fields, using nanofabricated structures. We describe the fundamental features of an interferometer for guided matter waves, built of two combined Y-shaped beam splitters. We find that such a device is expected to exhibit high contrast fringes even in a multimode regime, analogous to a white light interferometer.