Feedback Cooling of a Single Neutral Atom
Authors:
- Markus KochMKMarkus Koch
- Christian SamesCSChristian Sames
- Alexander KubanekAKAlexander Kubanek
- Matthias ApelMAMatthias Apel
- Maximilian BalbachMBMaximilian Balbach
- Alexei OurjoumtsevAOAlexei Ourjoumtsev
- Pepijn W. H. PinksePPPepijn W. H. Pinkse
- Gerhard RempeGRGerhard Rempe
- 21 October 2010
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 105 (17) , 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\,\,$\mu${}K. 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.Keywords
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