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Proceedings Paper

Ramsey interferometry with two frequencies
Author(s): D. Seidel; J. G. Muga; I. Lizuain
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Paper Abstract

The interference fringes of an atomic Ramsey interferometer may be narrowed if the two separated fields have different frequencies and their phase difference is controlled. For spatially separated fields, their width depends inversely on the free flight time of ground state atoms before entering the first field region in addition to the time between the fields. The narrowing effect is stable with respect to velocity fluctuations and for realistic mode functions. We also show that systematic phase shifts and phase fluctuations do not aggravate the frequency offset of the standard (one-frequency) Ramsey method.

Paper Details

Date Published: 7 June 2007
PDF: 12 pages
Proc. SPIE 6603, Noise and Fluctuations in Photonics, Quantum Optics, and Communications, 660303 (7 June 2007); doi: 10.1117/12.724279
Show Author Affiliations
D. Seidel, Univ. del País Vasco (Spain)
J. G. Muga, Univ. del País Vasco (Spain)
I. Lizuain, Univ. del País Vasco (Spain)

Published in SPIE Proceedings Vol. 6603:
Noise and Fluctuations in Photonics, Quantum Optics, and Communications
Leon Cohen, Editor(s)

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