TRR 142 - Ultrafast coherent opto-electronic control of a photonic quantum system (B06*)
In this project we will integrate semiconductor quantum dots in field-tunable microcavity heterostructures to achieve ultrafast coherent opto-electronic control of the emitter cavity coupling. By tuning different quantum dot transitions in and out of the cavity resonance we aim to generate (i) cavity assisted two-photon emission, (ii) hyper ...
Duration: 01/2022 - 12/2026
TRR 142 - Nonlinear strong-field dynamics of atomically thin transition metal dichalcogenides (A10)
Monolayers of Transition Metal Dichalcogenides (TMDCs) exhibit very high exciton binding energies of several hundred meV and extraordinarily strong optical nonlinearities. Stacking several monolayers allows one to tailor these properties by the choice of materials and their relative orientation. We will explore and manipulate such samples by using ...
Duration: 01/2022 - 12/2025
TRR 142 - Three-photon state generation with on-chip pump suppression in topological waveguides (A09*)
In this project, we experimentally and theoretically study a degenerate four-wave mixing source for the generation of three-photon states, where the photons are generated inside the topological mode and propagate away from the interaction region. The design using topological protected surface modes intrinsically provides a strong suppression of the ...
Duration: 01/2022 - 12/2025
TRR 142 - Generation and characterization of quantum light in nonlinear systems: A theoretical analysis (C10*)
We develop novel approaches based on integro-differential equations and quantum-channel descriptions for the tailored generation of nonclassical light and its propagation in structured media. By devising a multilinear process matrix formalism and accounting for complex dispersion in photonic crystals, we characterize quantum properties of light. ...
Duration: 01/2022 - 12/2025
TRR 142 - Polaron signatures in the optical response of lithium niobate (B07*)
This joint theory-experiment project will explore the rich physics of polarons and their optical signatures. In particular, we plan to resolve their influence on the linear and nonlinear optical properties of the material as well as their condensation, hopping and dissociation characteristics in interaction with intrinsic and extrinsic point ...
Duration: 01/2022 - 12/2025
Photonic Quantum Systems Network (PhoQSNET) - Quantum communication infrastructure
Data security is critical to modern society. From personal data and identity fraud to cyber-attacks threatening the integrity of sovereign nations, the need for secure communication and data processing has never been greater. While quantum networks address some of these issues, in that they can be provably secure for many cryptographic ...
Duration: 01/2022 - 12/2027
Sustainability-Optimized Life Cycle Assessment of Technologically Highly Complex Products Using the Example of Automotive Lighting
In the NALYSES project, a sustainability-optimized life cycle of highly complex technological products is to be realized. Already in the development process, reparability and reusability after the product's end of life (through material recovery and reuse of entire assemblies) are to be taken into account, which requires the development of novel ...
Duration: 01/2022 - 12/2025
Model-based determination of nonlinear properties of piezoceramics for power ultrasound applications
Duration: 01/2022 - 12/2026
Messplatz zur neurowissenschaftlichen Trainingsanalyse
Zur Kraft und Koordination der menschlichen Bewegung und deren Training zur Wiederherstellung von Gesundheit (nach z.B. Sportverletzungen) und der Entwicklung von (sportlicher) Leistung gibt es erstaunlich wenig Evidenz aus einer neurophysiologischen Perspektive. Der Messplatz zur neurowissenschaftlichen Trainingsanalyse soll helfen, durch ...
Duration: 01/2022 - 12/2022