Deterministic single-atom excitation via adiabatic passage and Rydberg blockade

Details Deterministic single-atom excitation via adiabatic passage and Rydberg blockade Deterministic single-atom excitation via adiabatic passage and Rydberg blockade

2011-02-25

arxiv.org/abs/1102.5223v5

Phys. Rev. A 84, 023413 (2011)

Physics

Atomic Physics

6 pages, 5 figures. Version 5 is expanded and submitted to PRA. Typo in Fig.4 corrected in Version 2. Version 3 and 4 are dupl

Scientific paper

10.1103/PhysRevA.84.023413

We propose to use adiabatic rapid passage with a chirped laser pulse in the strong dipole blockade regime to deterministically excite only one Rydberg atom from randomly loaded optical dipole traps or optical lattices. The chirped laser excitation is shown to be insensitive to the random number \textit{N} of the atoms in the traps. Our method overcomes the problem of the $\sqrt {N} $ dependence of the collective Rabi frequency, which was the main obstacle for deterministic single-atom excitation in the ensembles with unknown \textit{N}, and can be applied for single-atom loading of dipole traps and optical lattices.

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