Feedback control of an atom laser | Zendy

R. G. Dall | Zendy; C. J. Dedman | Zendy; A. G. Truscott | Zendy

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Feedback control of an atom laser

Author(s) -

R. G. Dall,

C. J. Dedman,

A. G. Truscott

Publication year - 2008

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.16.014716

Subject(s) - atom laser , laser , atom (system on chip) , atomic physics , optics , physics , metastability , ion , atom interferometer , ultracold atom , coherent control , atom optics , helium atom , helium , interferometry , astronomical interferometer , quantum , quantum mechanics , computer science , embedded system

We report the first real-time feedback control of an atom laser. The unique feature of metastable helium atoms, the production of ions in the atom laser outcoupling process, is exploited to actively control the spatial location inside the Bose-Einstein condensate where outcoupling occurs. Unlike alkali atom lasers, this provides almost instantaneous feedback which reduces frequency, amplitude and spatial mode fluctuations in the atom laser beam.

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