Quantum dynamics in spatially resolved two-atom cavity QED (A. Neuzner) / Solid State Attosecond Dynamics (Dr. M. Schultze)

  • Double Feature!
  • Date: Jun 23, 2015
  • Time: 02:30 PM - 04:00 PM (Local Time Germany)
  • Speaker: Andreas Neuzner, Abteilung Quantendynamik / Dr. Martin Schultze, Abteilung Attosekundenphysik
  • Room: Herbert Walther Lecture Hall
  • Host: MPQ
abstracts...

Quantum dynamics in spatially resolved two-atom cavity QED (A. Neuzner)
The Tavis-Cummings model of N>1 atoms coupled to an optical cavity is a cornerstone for the description of collective light-matter interaction. We realize this system by trapping two atoms with an optical lattice in a microcavity and image the atoms with single-site resolution.  We find saturation and suppression of scattering from a transversal laser as well as photon-pair generation in the latter case.

Solid State Attosecond Dynamics (Dr. M. Schultze)
Electric-field-induced charge separation (polarization) is the most fundamental manifestation of the interaction of light with matter. Attosecond solid state spectroscopy provides direct time-domain access to this interaction allowing to test important hypotheses regarding the underlying physical processes. I will discuss two recent experiments exploring the temporal evolution of laser induced excitation in the linear regime in a classic semiconductor and the nonlinear interaction of transparent dielectrics with ultrashort laser pulses

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