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American Physical Society, Physical Review Letters, 8(103), 2009

DOI: 10.1103/physrevlett.103.080405

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Enhancing the area of a Raman atom interferometer using a versatile double-diffraction technique

Journal article published in 2009 by Thomas Lévèque, A. Gauguet, Franck Michaud, Franck Pereira Dos Santos ORCID, Arnaud Landragin
This paper is available in a repository.
This paper is available in a repository.

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Abstract

In this Letter, we demonstrate a new scheme for Raman transitions which realize a symmetric momentum-space splitting of 4 Planck's constant k, 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 4N Planck's constant k momentum transfer by a multipulse sequence and is implemented on a 8 Planck's constant k interferometer. We demonstrate the area enhancement by measuring inertial forces.