Quantum Materials & Epitaxy: We synthesise a wide range of quantum nano-materials, including group-III arsenide and antimonide semiconductors as well as atomically thin 2D materials. Material growth uses molecular beam epitaxy (MBE) systems, equipped with advanced in-situ diagnostics. These include low-temperature optical spectroscopy performed inside the UHV environment, enabling real-time characterisation of material properties.

Strongly Correlated 2D Quantum Systems: We explore heterostructures formed by stacking van der Waals materials, where strong charge and spin correlations lead to rich optical, electronic, and magnetic phenomena. Our research focuses on probing such correlated quantum states, with the goal of discovering and exploring new quantum states of matter.  

Quantum Photonics & Light–Matter Interactions: We develop quantum photonic technologies, including sources of entangled photons for quantum communication and computation. Working closely with the QEC group led by Kai Müller at TUM-CIT we also study fundamental aspects of light–matter interaction in such systems. In partnership with Munich Quantum Instruments GmbH, we work on superconducting single-photon detectors.

Group-IV Quantum Emitters: We develop hexagonal SiGe quantum heterostructures in an ERC Synergy project with Erik Bakkers (TU Eindhoven) and Floris Zwanenburg (University of Twente). Hex-SiGe has a direct bandgap, opening exciting possibilities for group-IV nanolasers, quantum light sources, and spin–photon interfaces.

Quantum sensing: We host the Munich Initiative for Cross-Correlative Spin Microscopy (MICrCoSM), a DFG-funded infrastructure lab focused on nanoscale quantum sensing. Using low temperature scanning nitrogen-vacancy center magnetometry, we investigate spin and charge configurations at the atomic scale in quantum materials and hybrid quantum systems.