We are fascinated by ...

  • Universal matter-wave interferometry
    • Towards metal cluster interferometry:
      a new material class in quantum physics to probe the interface to the classical world.  
    • From Polypeptide towards Protein interferometry:
      a new material class to study complexity & dynamics of biomolecules in quantum physics.   
  • Cooling and quantum optomechanics 
    • Optical cooling of non-spherical nanoparticles to explore their rotational quantum states.
    • Cooling of nanobiological matter to harvest their internal complexity. 
  • Enabling technologies for quantum experiments
    • Sources of metal clusters, dielectric and biological nanomaterials: for matter-wave interferometry.
    • Single-photon charge control and coherent beam splitting of proteins & metal clusters. 
    • Interfeormeter concepts for complex nanomatter.
  • Quantum sensors
    • Matter-wave deflectometers with high force sensitivity:
      ... to measure electro-magnetic, optical & dynamical properties of molecules of interst to biology and chemistry.
    • Trapped nanorotors: 
      ... to realize highly sensitive torque & rotations sensors on the micron scale.  
    • Superconducting nanowire detectors:
      ... to open new avenues to mass spectrometry, molecule analysis by harvesting the sensitivity of quantum states.

 Latest News


A pathfinder project on Quantum Detectors for Molecular Physics, together with Single Quantum from Delft, started!


We have a new article on "Silicon microcavity arrays with open access and a finesse of half a million" in Light: Science & Applications!


... for successfully completing each of their Master-Theses with distinction!


As of January/February 2019, our paper "Testing the limits of quantum mechanical superpositions" received enough citations to place it in the top 1%...


"Coherent diffraction of hydrogen through the 246 pm lattice of graphene", has been published in New Journal of Physics!


The Arndt Group published a new article on "Concepts for long-baseline high-mass matter-wave interferometry" in Physica Scripta