A two-particle, four-mode atom interferometer (Orale)

Christoph I Westbrook 1
1 Laboratoire Charles Fabry / Optique atomique
LCF - Laboratoire Charles Fabry
Abstract : We have developed an atom interferometer to observe two-atom interference of a momentum entangled state. The setup is similar to one used recently in our laboratory to observe the Hong Ou Mandel (HOM) effect for atoms [1], but instead of using two input and two output modes on a beam splitter, we use four input and four output modes. A diagram is shown below. The configuration is essentially that proposed in Ref. [2]. We observe correlations consistent with the presence of an entangled state. An improved setup will allow a test Bell’s inequalities for mechanical degrees of freedom of massive particles. [1] R. Lopes, et al., Nature 520, 66 (2015). [2] M. Horne, A. Shimony, and A. Zeilinger, Phys. Rev. Lett. 62, 2495 (1989).
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Contributor : Christoph I Westbrook <>
Submitted on : Friday, January 26, 2018 - 6:32:47 PM
Last modification on : Monday, August 5, 2019 - 2:50:09 PM

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  • HAL Id : hal-01694127, version 1

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Christoph I Westbrook. A two-particle, four-mode atom interferometer (Orale). International conference on laser spectroscopy (ICOLS), Jun 2017, Arcachon, France. ⟨hal-01694127⟩

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