Laser cooling of a trapped particle with increased Rabi frequencies

Details Laser cooling of a trapped particle with increased Rabi frequencies Laser cooling of a trapped particle with increased Rabi frequencies

2011-03-02

arxiv.org/abs/1103.0410v2

Phys. Rev. A 84, 053416 (2011)

Physics

Quantum Physics

substantially revised manuscript, 14 pages, 6 figures

Scientific paper

This paper analyses the cooling of a single particle in a harmonic trap with red-detuned laser light with fewer approximations than previously done in the literature. We avoid the adiabatic elimination of the excited atomic state but are still interested in Lamb-Dicke parameters $\eta \ll 1$. Our results show that the Rabi frequency of the cooling laser can be chosen higher than previously assumed, thereby increasing the effective cooling rate but {\em not} affecting the final outcome of the cooling process. Since laser cooling is already a well established experimental technique, the main aim of this paper is to present a model which can be extended to more complex scenarios, like cavity-mediated laser cooling.

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