Experiment

The group led by Prof. Alexey Ustinov is located at the university campus of KIT and has a long successful record of exploring the physics of superconducting circuits, both classical and quantum. We are using superconducting qubits for state-of-the-art experiments, challenge new physics questions and explore opportunities for the next generation of quantum information processing. Our group pioneered frequency domain multiplexing readout of qubits, detection and manipulation of microscopic two-level defects, and studied qubit arrays as quantum metamaterials.

We are a young experimental research group, interested in improving our understanding and control of the photonic properties of nanostructured materials and devices. In our work, we combine material development with photonic and optoelectronic device design to come up with new concepts for next generation sensing and energy technologies. To unravel the underlying physical phenomena in these systems, we employ a variety of spatially-resolved transient spectroscopy techniques.

The Quantum Optics in the Solid-State (QOSS) Group at the Universidad Autónoma de Madrid (Spain) is an experimental research group devoted to the study of light-matter interaction at the nanoscale. We are a dynamic and innovative team of experimentalists dedicated to exploring the fascinating intersection of quantum optics and novel quantum materials.

The Cold and Controlled Molecules and Ions Group at the University of Basel (Switzerland), headed by Prof. Stefan Willitsch, specialises in the preparation and control of cold molecules and molecular ions and their applications. The research of the group is highly interdisciplinary, situated at the interface between quantum optics, quantum physics, chemistry and the nanosciences.

The research of the Cold Molecular Ions Group at the University of Basel (Switzerland) is concerned with the preparation and control of cold molecules and molecular ions and their applications. The research of the group is highly interdisciplinary and with relevance to both physics and chemistry. Current projects include the study and control of chemical reactions of single molecules, the development of new "molecular" quantum technologies, precision spectroscopic measurements on molecules and precise characterisations of chemical reaction mechanisms using controlled molecules.

We are developing a microwave ion trap capable of confining ultra-cold plasmas. The main long-term objective is to cool the electrons so much that they de-localise over several ions in a Coulomb crystal stored in a Paul trap. Such a quantum-mechanical system shall be used as quantum gates in the future. Still, we are mainly interested in interactions of the quasi-free electrons with the external electro/magnetic fields.

Our group explores quantum fluids of light to study emergent many-body phenomena, such as superfluidity or turbulence. Quantum fluids of light can be experimentally realized within microscopic optical cavities, where the photons are trapped in intricate lattice or box potentials. With this experimental platform, we investigate novel topological physics, the interplay of quantum effects and dissipation, and quantum communication. Unravelling such open questions is at the forefront of today’s research in quantum physics and may lead to new applications for future quantum technologies.

The QTE department at IMRE drives the development of long term capabilities aimed at the exploitation or quantum phenomena for new concept devices and translatable technologies. In particular, a major drive towards the second generation quantum devices harnessing the prowess of superposition and entanglement is in view. The QTE department also seeks to establish itself as a base for hosting and nurturing quantum scientists and engineers who are adept at translating quantum fundamentals into quantum advantage for industry applications.

We design and grow rare-earth doped crystals in which we aim at controlling optical and spin non-classical states. These materials, produced in the form of bulk and nanostructured single crystals, show extremely long-lived quantum states at low temperatures. This unique property in the solid-state enables us to address a broad range of applications, from quantum information processing and communication, to spectral analysis and medical imaging.