Temperatures in 3D optical lattices influenced by neighbouring transitions

• A detailed experimental study of the steady-state temperature in a 3D optical lattice for cesium has been performed for a wide range of detunings. Specifically, we have investigated the situation with the cooling and trapping light detuned far red of a (J(g) --> J(e) = J(g) + 1)-transition, where the blue detuned interaction with a (J(g) --> J(e) = J(g))-transition can not be neglected. We find that the temperature scales with the optical potential due to the interaction with just the (J(g) --> J(e) = J(g) + 1)-transition. This indicates that blue Sisyphus cooling has essentially no effect on the dynamics of the system, when there exists a neighbouring red detuned transition.

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