Coherence and Raman Sideband Cooling of a Single Atom in an Optical Tweezer

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Coherence and Raman Sideband Cooling of a Single Atom in an Optical Tweezer

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Title: Coherence and Raman Sideband Cooling of a Single Atom in an Optical Tweezer
Author: Thompson, Jeffrey Douglas; Tiecke, Tobias; Zibrov, Alexander S; Vuletić, V.; Lukin, Mikhail D.

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Citation: Thompson, J., T. Tiecke, A. Zibrov, V. Vuletić, and M. Lukin. 2013. Coherence and Raman Sideband Cooling of a Single Atom in an Optical Tweezer. Physical Review Letters 110(13): 133001.
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Abstract: We investigate quantum control of a single atom in a tightly focused optical tweezer trap. We show that inevitable spatially varying polarization gives rise to significant internal-state decoherence but that this effect can be mitigated by an appropriately chosen magnetic bias field. This enables Raman sideband cooling of a single atom close to its three-dimensional ground state (vibrational quantum numbers \(\bar n_x=\bar n_y=0.01, \bar n_z=8)\) even for a trap beam waist as small as \(\omega=900  nm\). The small atomic wave packet with \(\delta x=\delta y=24  nm\) and \(\delta z=270  nm\) represents a promising starting point for future hybrid quantum systems where atoms are placed in close proximity to surfaces.
Published Version: doi:10.1103/PhysRevLett.110.133001
Other Sources: http://arxiv.org/abs/1209.3028
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:12563779
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