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Multi-loop feedback control for atom laser coherence

Yanagisawa, Masahiro; James, Matthew


In this paper we present a multi-loop measurement feedback control scheme to improve atom laser coherence. The first loop (proposed by Thomsen and Wiseman, 2002) aims to cancel the decohering effects of the nonlinear atom-atom interactions via direct measurement feedback. However, there are nonlinear interactions with the optical probe field used in the measurement scheme which may also contribute to a degradation in atom laser performance. Accordingly, we introduce a second feedback loop to...[Show more]

CollectionsANU Research Publications
Date published: 2008
Type: Conference paper
Source: Proceedings of International Federation of Automatic Control World Congress (SYSID 2008)
DOI: 10.3182/20080706-5-KR-1001.0715


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05_Yanagisawa_Multi-loop_feedback_control_2008.pdf151.28 kBAdobe PDF    Request a copy

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