Published June 4, 2004
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Journal Article
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Quantum feedback control of atomic motion in an optical cavity
Chicago
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Abstract
We study quantum feedback cooling of atomic motion in an optical cavity. We design a feedback algorithm that can cool the atom to the ground state of the optical potential with high efficiency despite the nonlinear nature of this problem. An important ingredient is a simplified state-estimation algorithm, necessary for a real-time implementation of the feedback loop. We also describe the critical role of parity dynamics in the cooling process and present a simple theory that predicts the achievable steady-state atomic energies.
Additional Information
©2004 The American Physical Society. Received 27 October 2003; published 4 June 2004. The authors thank Andrew Doherty and Sze Tan for helpful discussions. This research was performed in part using the resources of the Advanced Computing Laboratory, Institutional Computing Initiative, and LDRD program of Los Alamos National Laboratory.Files
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- CaltechAUTHORS:STEprl04
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2006-05-11Created from EPrint's datestamp field
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