Symmetric microwave potentials for interferometry with thermal atoms on a chip

M. Ammar, M. Dupont-Nivet, L. Huet, J.-P. Pocholle, P. Rosenbusch, I. Bouchoule, C. I. Westbrook, J. Estève, J. Reichel, C. Guerlin, and S. Schwartz
Phys. Rev. A 91, 053623 – Published 26 May 2015

Abstract

A trapped atom interferometer involving state-selective adiabatic potentials with two microwave frequencies on a chip is proposed. We show that this configuration provides a way to achieve a high degree of symmetry between the two arms of the interferometer, which is necessary for coherent splitting and recombination of thermal (i.e., noncondensed) atoms. The resulting interferometer holds promise to achieve high contrast and long coherence time, while avoiding the mean-field interaction issues of interferometers based on trapped Bose-Einstein condensates.

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  • Received 9 December 2014
  • Revised 2 April 2015

DOI:https://doi.org/10.1103/PhysRevA.91.053623

©2015 American Physical Society

Authors & Affiliations

M. Ammar1,2, M. Dupont-Nivet1,3, L. Huet1, J.-P. Pocholle1, P. Rosenbusch4, I. Bouchoule3, C. I. Westbrook3, J. Estève2, J. Reichel2, C. Guerlin2, and S. Schwartz1

  • 1Thales Research and Technology France, Campus Polytechnique, 1 av. Fresnel, 91767 Palaiseau, France
  • 2Laboratoire Kastler-Brossel, ENS, CNRS, Université Pierre et Marie Curie-Paris 6, 24 rue Lhomond, 75005 Paris, France
  • 3Laboratoire Charles Fabry de l'Institut d'Optique, Campus Polytechnique, 2 av. Fresnel, 91127 Palaiseau, France
  • 4LNE-SYRTE, Observatoire de Paris, UPMC, CNRS, 61 av de l'Observatoire, 75014 Paris, France

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Vol. 91, Iss. 5 — May 2015

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