Feedback cooling of a single neutral atom
| Abstract | We demonstrate feedback cooling of the motion of a single rubidium atomtrapped in a high-finesse optical resonator to a temperature of about160 K. Time-dependent transmission and intensity-correlationmeasurements prove the reduction of the atomic position uncertainty. Thefeedback increases the 1/e storage time into the one second regime, 30times longer than without feedback. Feedback cooling therefore rivalsstate-of-the-art laser cooling, but with the advantages that it requiresless optical access and exhibits less optical pumping. |
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| Authors | M. Koch, C. Sames, A. Kubanek, M. Apel, M. Balbach, A. Ourjoumtsev, G. Rempe |
| Year of publication | 2010 |
| Date published | 12/2010 |
| Journal | Phys. Rev. Lett. |
| Volume | 105 |
| Pages | 173003 |
| DOI number | 10.1103/PhysRevLett.105.173003 |
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