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


Stefan Kuhn has been awarded the Erwin-Schrödinger-Gesellschaft Nano-Prize 2018 in the Category "Science" for the paper “Optically driven ultra-stable...


The Arndt Group published a new article on "A Quantum Ruler for Magnetic Deflectometry" in Entropy


Schrodinger's cat is the one that's famously alive and dead. At the same time. Impossible! Roland Pease meets the quantum scientists hoping to bring...


The Arndt Group published a new article on "Isotope-selective high-order interferometry with large organic molecules in free fall" in New Journal of...


The Arndt Group published a new article on "Tailored photocleavable peptides: fragmentation and neutralization pathways in high vacuum" in Physical...


The Arndt Group published a new article on "Probing Macroscopic Quantum Superpositions with Nanorotors" on arXiv