© AG Krenner, M. Sonner

Welcome to the

Hybrid Quantum- and Nanosystems Group

Professor Dr. Hubert Krenner

Controlling light, sound and matter on a chip.
New publication
005 Obliqueview Nolabels V3 For Wwu
© Dominik Bühler

Check out our recent paper in Nature Communication

Check out our recent paper in Nature Communications and the press release [English] [Deutsch].

We used out SAW-technology to sort single light quanta – photons – on a chip inside an integrated circuit for light.

Our Research

Our research is centered on the fabrication, investigation and control of novel solid-state nanosystems with tailored optical, electrical and mechanical properties. It is guided by the vision to unify and employ the coherent interaction of the three elementary excitations in the solid state, electrons, photons and phonons – ultimately in the limit of single quanta.

We cover three major areas of modern nanoscience and nanophysics:

  • Quantum-optomechanics: coherent coupling of light, sound and matter in nanoscale circuits on a chip

  • Fabrication, characterization and control of hybrid active nanosystems

  • High-resolution acousto-optoelectronic spectroscopy of emerging solid-state materials


SAW Roadmap
Areas of cross-disciplinary SAW research
© Per Delsing et al 2019 J. Phys. D: Appl. Phys. 52 353001, https://doi.org/10.1088/1361-6463/ab1b04

Roadmap and Video on Surface Acoustic Wave Technology

To learn more about surface acoustic waves and their broad spectrum of applications check out the

The 2019 surface acoustic waves roadmap

P. Delsing et al.Journal of Physics D: Applied Physics 52, 353001 (2019)

DOI: 10.1088/1361-6463/ab1b04, part of the Special Issue on Surface Acoustic Waves in Semiconductor Nanosystems 


We produced a Video on Youtube introducing examples of cross-disciplinary SAW-applications.

This video was produced by doctoral students (early stage researchers, ESRs) of the Marie Sklodowska Curie Innovative Training Network SAWtrain. This project has received funding from the European Union’s Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie grant agreement No 642688.