Project Details

Professor Dr. Hartmut G. Roskos

Address Goethe-Universität Frankfurt am Main
Fachbereich Physik
Physikalisches Institut
Max-von-Laue-Straße 1
60438 Frankfurt am Main

Projects

As Applicant
- Current projects
  - 3D imaging at THz frequencies based on 2D fundamental and sub-harmonic heterodyne detection of the spatial Fourier spectrum (Research Grants)
  - Thermoelectric contributions to electronic transport and THz responsivity of TeraFETs – simulations and experiments (Research Grants)
  - An integrated gas spectroscopy system -- combining TeraFETs and THz QCLs to enable 2--5-THz power detection and heterodyne mixing (Priority Programmes)
  - Fabrication of lateral graphene/h-BN Moiré uperlattices for ultrafast terahertz spectroscopy (Research Grants)
  - Coherent high-power THz emission from arrays of resonant-tunneling-diode (RTD) oscillators and its application for imaging (Priority Programmes)
- Completed projects
  - THz-Emissions-Untersuchung der Dephasierung von Ladungsträger-Wellenpaketen in Halbleiter-Übergittern und Doppelquantentrog-Strukturen (Priority Programmes)
  - Grundlagenuntersuchungen zur Erzeugung und Verstärkung von Terahertz-Wellen in elektrisch gepumpten Halbleiter-Heterostrukturen (Research Grants)
  - Entwicklung optoelektronischer Puls- und Dauerstrich-Meßtechniken für bildgebende Systeme im Terahertz-Frequenzbereich (Research Grants)
  - Die dichteartige Polarisation von Ladungsträger-Wellenpaketen im magnetischen Feld (Priority Programmes)
  - Optische Kontrolle der Magnetisierung und Untersuchung der Dynamik optisch induzierter Magnetisierung (Research Units)
  - Zentralprojekt (Research Units)
  - Interdependence of the relaxation of spin and charge degrees of freedom in ferromagnetic AxByMnO3 compounds during the first ten picoseconds after optical excitation (Priority Programmes)
  - Der Kohärente Hall-Effekt im Halbleiterübergitter: Untersuchung von Felddynamik und Vielteilcheneffekte (Research Grants)
  - Effiziente CW-THz Quellen basierend auf Photomischung in asymmetrischen Übergitterstrukturen (Research Grants)
  - Verstärkung von THz-Strahlung in Halbleiter-Übergittern (Research Grants)
  - Direct THz-wave generation in a dual-color near-IR semiconductor laser (Research Grants)
  - Dynamisches 3D-Sehen 3D Bilderfassung im Terahertzbereich basierend auf elektrooptischer Detektion (3D THz Bilderfassung) (Research Grants)
  - Frequenzverschiebung von THz-Pulsen durch den relativistischen Dopplereffekt an einer wandernden Plasmafront (Research Grants)
  - Terahertz emission from plasma waves in GaN field effect transistors (Research Grants)
  - Nonlinear dynamics of impurity states in semiconductors driven by intense THz pulses (Research Grants)
  - Terahertz measurement system based on frequency-selective detector chips for inline industrial monitoring (Research Grants)
  - Ultra-strong interaction of metamaterial plasmons with photons in a terahertz photonic crystal cavity (Research Grants)
As Spokesperson
- Completed projects
  - FOR 412: Spin and Charge Correlations in Low-Dimensional Metalorganic Solid-State Materials (Research Units)
As Project Head
- Current projects
  - Ultrafast spectroscopy and manipulation of coupled electronic/lattice orders (CRC/Transregios)
As Participating Person
- Completed projects
  - Präparation und Detektion quantenoptischer Überlagerungszustände für eine Verwendung als Informationsträger (Priority Programmes)
  - Time-resolved optical magnetic-circular-dichroism study of ligand-driven light-induced spin-change complexes (Research Grants)
  - High-field high-bandwidth terahertz pulses: Generation in laser-excited gas plasmas and coherent detection in biased-air waveguides (Research Grants)
As Co-Investigator
- Completed projects
  - Mollow triplet emission and high-harmonic generation involving isolated impurity atoms of semiconductors in a strong terahertz field (Research Grants)

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Professor Dr. Hartmut G. Roskos

Additional Information

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Professor Dr. Hartmut G. Roskos

Additional Information

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