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Feedback control of an interacting Bose-Einstein condensate using phase-control imaging

Szigeti, Stuart; Hush, Michael; Carvalho, Andre; Hope, Joseph


The linewidth of an atom laser is limited by density fluctuations in the Bose-Einstein condensate (BEC) from which the atom laser beam is outcoupled. In this paper we show that a stable spatial mode for an interacting BEC can be generated using a realistic control scheme that includes the effects of the measurement backaction. This model extends the feedback theory, based on a phase-contrast imaging setup, presented by Szigeti, Hush, Carvalho, and Hope [Phys. Rev....[Show more]

CollectionsANU Research Publications
Date published: 2010
Type: Journal article
Source: Physical Review A: Atomic, Molecular and Optical Physics
DOI: 10.1103/PhysRevA.82.043632


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