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Research Group Hunger

Prof. Dr. David Hunger


Physikalisches Institut
Wolfgang-Gaede-Str. 1
D-76131 Karlsruhe, Germany

tel. +49 721 608 43510
sekr. +49 721 608 43451
fax +49 721 608 46103
mail david.hunger∂kit.edu


Phd:  2010, Physics, Ludwig-Maximilians-University Munich, Germany
Diploma degree:   2005, Physics, Ludwig-Maximilians-University Munich, Germany


Since 2016:  Professor, KIT Karlsruhe, Germany
2011 - 2016:  Group Leader, Ludwig-Maximilians University Munich, Germany
2011:  Post Doc, Harvard University, USA
2010:  Post Doc, Ludwig-Maximilians-University Munich, Germany


Field of research

Our group is exploring applications of optical microcavities in the fields of solid state quantum optics, optical sensing, microscopy, spectroscopy, and optomechanics.
One of the central goals is to enhance light-matter interactions to realize efficient light-matter interfaces at the single quantum level, and to enable novel schemes for spectroscopy and sensing. We employ and further develop fiber-based Fabry-Perot microcavities, which combine microscopic mode volumes with exceptionally high quality factors, and at the same time offer open access for a variety of samples.



  • new publication: C. Gebhardt et al., Polariton hyperspectral imaging of two-dimensional semiconductor crystals, https://arxiv.org/abs/1803.08690
  • new publication: B. Casabone et al., Cavity-enhanced spectroscopy of a few-ion ensemble in Eu:Y2O3, https://arxiv.org/abs/1802.06709
  • new publication: P. R. Dolan et al., Robust, tunable, and high purity triggered single photon source at room temperature using a nitrogen-vacancy center defect in diamond in an open microcavity, Optics Express 26, 7056 (2018)
  • new publication: B. T. Walker et al., Driven-dissipative Bose-Einstein condensation of just a few photons, https://arxiv.org/abs/1711.11087
  • new publication: M. Förg et al., Cavity-control of bright and dark interlayer excitons in van der Waals heterostructures: https://arxiv.org/abs/1710.00990
  • Since mid of October 2017 our labs are (almost) ready and first experiments are running!
  • On 27. and 28.09.2017 we hosted the annual Rare Earth Ion Workshop with about 60 participants.