Enhancing the Area of a Raman Atom Interferometer Using a Versatile Double-Diffraction Technique

T. Lévèque, A. Gauguet, F. Michaud, F. Pereira Dos Santos, and A. Landragin
Phys. Rev. Lett. 103, 080405 – Published 21 August 2009

Abstract

In this Letter, we demonstrate a new scheme for Raman transitions which realize a symmetric momentum-space splitting of 4k, deflecting the atomic wave packets into the same internal state. Combining the advantages of Raman and Bragg diffraction, we achieve a three pulse state labeled an interferometer, intrinsically insensitive to the main systematics and applicable to all kinds of atomic sources. This splitting scheme can be extended to 4Nk momentum transfer by a multipulse sequence and is implemented on a 8k interferometer. We demonstrate the area enhancement by measuring inertial forces.

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  • Received 21 April 2009

DOI:https://doi.org/10.1103/PhysRevLett.103.080405

©2009 American Physical Society

Authors & Affiliations

T. Lévèque, A. Gauguet*, F. Michaud, F. Pereira Dos Santos, and A. Landragin

  • LNE-SYRTE, UMR 8630 CNRS, UPMC, Observatoire de Paris, 61 avenue de l’Observatoire, 75014 Paris, France

  • *Present address: Department of Physics, Durham University, Rochester Building, South Road, Durham DH1 3LE, United Kingdom.
  • arnaud.landragin@obspm.fr

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Issue

Vol. 103, Iss. 8 — 21 August 2009

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