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Koch M, Sames C, Kubanek A, et al. Feedback cooling of a single neutral atom. Phys Rev Lett. 2010;105(17):173003doi: 10.1103/PhysRevLett.105.173003.
Koch, M., Sames, C., Kubanek, A., Apel, M., Balbach, M., Ourjoumtsev, A., Pinkse, P. W., & Rempe, G. (2010). Feedback cooling of a single neutral atom. Physical review letters, 105(17), 173003. https://doi.org/10.1103/PhysRevLett.105.173003
Koch, Markus, et al. "Feedback cooling of a single neutral atom." Physical review letters vol. 105,17 (2010): 173003. doi: https://doi.org/10.1103/PhysRevLett.105.173003
Koch M, Sames C, Kubanek A, Apel M, Balbach M, Ourjoumtsev A, Pinkse PW, Rempe G. Feedback cooling of a single neutral atom. Phys Rev Lett. 2010 Oct 22;105(17):173003. doi: 10.1103/PhysRevLett.105.173003. Epub 2010 Oct 21. PMID: 21231041.
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Phys Rev Lett. 2010 Oct 22;105(17):173003. doi: 10.1103/PhysRevLett.105.173003. Epub 2010 Oct 21.

Feedback cooling of a single neutral atom.

Physical review letters

Markus Koch, Christian Sames, Alexander Kubanek, Matthias Apel, Maximilian Balbach, Alexei Ourjoumtsev, Pepijn W H Pinkse, Gerhard Rempe

Affiliations

  1. Max-Planck-Institut für Quantenoptik, Garching, Germany. [email protected]

PMID: 21231041 DOI: 10.1103/PhysRevLett.105.173003

Abstract

We demonstrate feedback cooling of the motion of a single rubidium atom trapped in a high-finesse optical resonator to a temperature of about 160  μK. Time-dependent transmission and intensity-correlation measurements prove the reduction of the atomic position uncertainty. The feedback increases the 1/e storage time into the 1 s regime, 30 times longer than without feedback. Feedback cooling therefore rivals state-of-the-art laser cooling, but with the advantages that it requires less optical access and exhibits less optical pumping.

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