Stabilizing an atom laser using spatially selective pumping and feedback

Details Stabilizing an atom laser using spatially selective pumping and feedback Stabilizing an atom laser using spatially selective pumping and feedback

2005-01-19

arxiv.org/abs/quant-ph/0501101v1

Physics

Quantum Physics

7 figures

Scientific paper

10.1103/PhysRevA.72.053603

We perform a comprehensive study of stability of a pumped atom laser in the presence of pumping, damping and outcoupling. We also introduce a realistic feedback scheme to improve stability by extracting energy from the condensate and determine its effectiveness. We find that while the feedback scheme is highly efficient in reducing condensate fluctuations, it usually does not alter the stability class of a particular set of pumping, damping and outcoupling parameters.

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