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Spectrally resolved coherent transient signal for ultracold rubidium molecules

The European Physical Journal D volume 54, pages 711–714 (2009)Cite this article

Abstract

We present spectrally resolved pump-probe experiments on the photoassociation of ultracold rubidium atoms with shaped ultrashort laser pulses. The pump pulse causes a free-bound transition leading to a coherent transient signal of rubidium molecules in the first excited state. In order to achieve a high frequency resolution the bandwidth of the pump pulse is reduced to a few wavenumbers. The frequency dependence of the transient signal close to the D1 atomic resonance is investigated for characteristic pump-probe delay times. The observed spectra, which show a pronounced dip for pump-probe coincidence, are interpreted using quantum dynamical calculations.

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Author notes

  1. W. Salzmann

    Present address: Fraunhoferinstitut für Physikalische Messtechnik IPM, Heidenhofstraße 8, 79110, Freiburg, Germany

  2. M. Weidemüller

    Present address: Physikalisches Institut, Universität Heidelberg, Philosophenweg 12, 69120, Heidelberg, Germany

Authors and Affiliations

  1. Institut für Experimentalphysik, Freie Universität Berlin, Arnimallee 14, 14195, Berlin, Germany

    F. Eimer, F. Weise, A. Merli, S. Birkner, F. Sauer, L. Wöste & A. Lindinger

  2. Institut für Theoretische Physik, Freie Universität Berlin, Arnimallee 14, 14195, Berlin, Germany

    R. Aǧanoǧlu & C. P. Koch

  3. Physikalisches Institut, Universität Freiburg, Hermann Herder Str. 3, 79104, Freiburg, Germany

    W. Salzmann, T. Mullins, S. Götz, R. Wester & M. Weidemüller

Authors
  1. F. Eimer
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  2. F. Weise
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  3. A. Merli
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  4. S. Birkner
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  5. F. Sauer
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  6. L. Wöste
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  7. A. Lindinger
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  8. R. Aǧanoǧlu
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  9. C. P. Koch
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  10. W. Salzmann
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  11. T. Mullins
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  12. S. Götz
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  13. R. Wester
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  14. M. Weidemüller
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Correspondence to F. Eimer.

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Eimer, F., Weise, F., Merli, A. et al. Spectrally resolved coherent transient signal for ultracold rubidium molecules. Eur. Phys. J. D 54, 711–714 (2009). https://doi.org/10.1140/epjd/e2009-00212-8

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  • DOI: https://doi.org/10.1140/epjd/e2009-00212-8

PACS

  • 33.80.-b Photon interactions with molecules
  • 32.80.Qk Coherent control of atomic interactions with photons
  • 42.50.Md Optical transient phenomena: quantum beats, photon echo, free-induction decay, dephasings