2016
DOI: 10.1103/physreva.94.053806
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Coherent backscattering of inelastic photons from atoms and their mirror images

Abstract: Coherent backscattering is a coherence effect in the propagation of waves through disordered media involving two or more scattering events. Here, we report on the observation of coherent backscattering from individual atoms and their mirror images. This system displays two important advantages: First, the effect can be observed at low optical densities, which allows to work in very dilute clouds or far from resonance. Second, due to the fact that the radiation of an atom interferes constructively with that of … Show more

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Cited by 8 publications
(15 citation statements)
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“…An atomic beam decelerated by a Zeeman slower loads our MOT [20]. We represent this loading by a vector  ( ) b t , whose components are all zero except for the one at the same position of the population ρ 1 transition being a popular choice [20]. Stellmer et al [19] recently proposed to use the ñ  º ñ…”
Section: Modelmentioning
confidence: 99%
“…An atomic beam decelerated by a Zeeman slower loads our MOT [20]. We represent this loading by a vector  ( ) b t , whose components are all zero except for the one at the same position of the population ρ 1 transition being a popular choice [20]. Stellmer et al [19] recently proposed to use the ñ  º ñ…”
Section: Modelmentioning
confidence: 99%
“…The mCBS physics lies in Eq. (25), where one observes that the mirror induces two sources of modulation of the single-atom spectrum: The created standing wave, which modulates the Rabi frequency Ω(z), and the cosine interference term: The argument of the cosine, 2kz cos θ−ωτ c , makes that different frequencies ω will present different angular fringes' maxima θ. As a consequence, the emission spectrum of a single atom is a function of the emission angle θ and the atom position z, as can be clearly seen in Fig.…”
Section: Mcbs Spectrummentioning
confidence: 99%
“…Depending on its position in the standing wave and on the delay term τ c , the interference of the light directly scattered at the angle θ with the light reflected at θ by the mirror can cancel the contribution of certain frequencies and amplify others, as shown by the cosine in Eq. (25). For example, atoms at a maximum of the standing wave (kz cos θ 0 = 0 mod π) will always have a maximum resonant (ω ≈ 0) emission in the θ 0 angle, yet the emission of the Mollow sidebands in this direction are canceled for Ω M τ c = π mod (2π).…”
Section: Mcbs Spectrummentioning
confidence: 99%
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