Non-perturbative Cavity QED (Prof. Peter Rabl)

Non-perturbative Cavity QED

  • Date: Apr 30, 2019
  • Time: 02:30 PM (Local Time Germany)
  • Speaker: Prof. Peter Rabl
  • Atominstitut, TU Wien, Wien, Austria
  • Location: Max Planck Institute of Quantum Optics
  • Room: Herbert Walther Lecture Hall
In quantum optical systems the coupling between a single dipole and a single cavity mode is always much smaller than the absolute energy scales involved, which allows us to understand and model light-matter interactions in terms of well-defined atomic and photonic excitations. With recent advances in the field of circuit QED it is now possible to go beyond this well-established paradigm and enter a fully non-perturbative regime, where the coupling between a single artificial atom (e.g. a superconducting qubit) and a microwave photon exceeds the energy of the photon itself. Such conditions can be associated with an effective finestructure constant of order unity and in this talk I will give a brief introduction about the basics models and novel effects that govern the physics of light-matter interactions in this previously inaccessible regime.
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