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Journal Articles Journal of Physics B: Atomic, Molecular and Optical Physics Year : 2013

Coherent internal state transfer by three-photon STIRAP-like scheme for many-atom samples

Abstract

A STIRAP-like scheme is proposed to exploit a three-photon resonance taking place in alkaline-earth-metal ions. This scheme is designed for state transfer between the two fine structure components of the metastable D-state which are two excited states that can serve as optical or THz qu-bit. The advantage of a coherent three-photon process compared to two-photon STIRAP lies in the possibility of exact cancellation of the first order Doppler shift which opens the way for an application to a sample composed of many ions. The transfer efficiency and its dependence with experimental parameters are analyzed by numerical simulations. This efficiency is shown to reach a fidelity as high as $(1-8.10^{-5})$ with realistic parameters. The scheme is also extended to the synthesis of a linear combination of three stable or metastable states.
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Dates and versions

hal-00821041 , version 1 (07-05-2013)

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Marius Romuald Kamsap, Thierry Blanchard Ekogo, Jofre Pedregosa-Gutierrez, Gaetan Hagel, Marie Houssin, et al.. Coherent internal state transfer by three-photon STIRAP-like scheme for many-atom samples. Journal of Physics B: Atomic, Molecular and Optical Physics, 2013, 46 (14), pp.145502. ⟨10.1088/0953-4075/46/14/145502⟩. ⟨hal-00821041⟩
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