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Hannover 2013 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 43: Poster II

Q 43.81: Poster

Wednesday, March 20, 2013, 16:00–18:30, Empore Lichthof

Wave form and spectral properties of single photons emitted by a single atom — •Tristan Tentrup, Jürgen Eschner, and Giovanna Morigi — Saarland University, Saarbrücken, Germany

Quantum networks require the controlled interaction of stationary and flying qubits, implemented for example by single ions that emit [1] and absorb [2] single photons. This requires the characterization and the possibility to tailor the wave form and spectrum of the photons emitted by single emitters. The wave packet and Fourier spectrum of a photon emitted by a single atom is theoretically characterized under several conditions. We consider in particular the situation when the atom is driven by a laser pulse of different spectral forms, or when it is excited by a single photon generated by a second emitter.

[1] M. Almendros et al., Phys. Rev. Lett 103, 213601 (2009);

  C. Kurz et al., arXiv:1211.5922.

[2] N. Piro et al., Nature Physics 7, 17 (2011).

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