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Physical Review A

Atomic localization in the presence of optical feedback

Stefano Mancini, Paolo Tombesi

Published Sep 1, 1997• 6 citations
Publisher

Abstract

It is shown that a suitable optical feedback loop contributes to focus the atoms passing through a standing wave within a cavity, thus improving the possibility of its localization.Received 22 January 1997DOI:https://doi.org/10.1103/PhysRevA.56.2466©1997 American Physical Society

DOI
10.1103/physreva.56.2466

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It is shown that a suitable optical feedback loop contributes to focus the atoms passing through a standing wave within a cavity, thus improving the possibility of its localization.Received 22 January 1997DOI:https://doi.org/10.1103/PhysRevA.56.2466©1997 American Physical Society
We considered an application of a feedback loop to enhance the self-organization of atoms in a cavity. In contrast to the original setup, we assumed the light leaking from the cavity was photo-detected and the signal was used to appropriately adjust the atomic potential. It was shown that no additional feedback-induced quantum noise was introduced into the system. Numerical simulations performed in classical approximation showed that the application of feedback weakened the requirement for the atom-field coupling needed to observe the self-organization.