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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 22, Iss. 16 — Aug. 11, 2014
  • pp: 19141–19148

Reading the phase of a Raman excitation with a multi-state atomic interferometer

P. Lombardi, F. Schaefer, I. Herrera, S. Cherukattil, J. Petrovic, C. Lovecchio, F. Marin, and F. S. Cataliotti  »View Author Affiliations

Optics Express, Vol. 22, Issue 16, pp. 19141-19148 (2014)

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Atomic memories for flying photonic qubits are an essential ingredient for many applications like e.g. quantum repeaters. Verification of the coherent transfer of information from a light field to an atomic superposition is usually obtained using an optical read-out. In this paper we report the direct detection of the atomic coherence by means of atom interferometry. We experimentally verified both that a bichromatic laser field closing a Raman transition imprints a distinct, controllable phase on the atomic coherence and that it can be recovered after a variable time delay.

© 2014 Optical Society of America

OCIS Codes
(020.1670) Atomic and molecular physics : Coherent optical effects
(210.4680) Optical data storage : Optical memories
(020.1335) Atomic and molecular physics : Atom optics
(020.1475) Atomic and molecular physics : Bose-Einstein condensates

ToC Category:
Atomic and Molecular Physics

Original Manuscript: January 29, 2014
Revised Manuscript: April 3, 2014
Manuscript Accepted: April 5, 2014
Published: July 31, 2014

P. Lombardi, F. Schaefer, I. Herrera, S. Cherukattil, J. Petrovic, C. Lovecchio, F. Marin, and F. S. Cataliotti, "Reading the phase of a Raman excitation with a multi-state atomic interferometer," Opt. Express 22, 19141-19148 (2014)

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