Program for Friday 12.04.2024 FrA.1 09:00 to 10:00 Coscun Kocabas Graphene-enabled Reconfigurable Intelligent Surfaces for Terahertz and Millimetre Waves FrA.2 10:00 to 10:15 Solen Coeymans A graphene double quantum dot as an artificial two-level system in the THz spectral range FrA.3 10:15 to 10:30 Arvind Singh Ultrafast Dynamics of Terahertz Plasmons in Periodic Arrays of Epitaxial Graphene Nanoribbons FrA.4 10:30 to 10:45 Hartmut G. Roskos A novel THz photomixer with graphene as photoconductive medium FrB.1 11:15 to 11:30 Oleg Mitrofanov Terahertz pulse generation and focusing with InAs nonlinear metalens FrB.2 11:30 to 11:45 Lars Franke Electromechanically Tunable Metasurface for Guided Spoof Surface Plasmon Polaritons FrB.3 11:45 to 12:00 Pavlo Sai Localized and Delocalized Phases of Grating-Gate THz Plasmonic Crystals FrB.4 12:00 to 12:15 Hou-Tong Chen Nanoscale Vectorial Current and Ultrafast Terahertz Emission from Symmetry-Broken Optoelectronic Metasurfaces FrB.5 12:15 to 12:30 Juan A. Delgado Notario Room-Temperature Plasmon-Resonant Terahertz Graphene Photodetectors FrC.1 14:00 to 14:30 Jessica Boland Terahertz meets topology: Exploring the optoelectronic properties of topological quantum materials via terahertz spectroscopy and microscopy FrC.2 14:30 to 14:45 Lars Mester Nanoscale-resolved THz imaging & spectroscopy: State-of-the-art and beyond FrC.3 14:45 to 15:00 Thomas Siday Subcycle near-field optical microscopy at the atomic scale FrC.4 15:00 to 15:15 Svenja Nerreter Ultrafast nanoscopy of the interplay between carrier dynamics, structure, and composition in metal halide perovskites FrC.5 15:15 to 15:30 Hynek Nemec Nanoscale Electron Motion in GaAs Nanobars Studied by THz Spectroscopy FrC.6 15:30 to 15:45 Xiaojun Wu Spintronic THz Emission Nanoscopy FrD.1 16:15 to 16:45 Carmen Roelcke Ultrafast scanning tunnelling spectroscopy of an atomic vacancy in monolayer WSe2 FrD.2 16:45 to 17:00 Alexander Achtstein THz charge carrier mobility: Linear and nonlinear transport regimes and the role of a yet unexplored equilibration current in nano systems FrD.3 17:00 to 17:15 Luis Enrique Parra Lopez Probing the coherent amplitude mode in 1T-TaS2 with THz-scanning tunneling microscopy FrD.4 17:15 to 17:30 Sarah Norman Microscale THz conductivity sampling with resonance-enhanced near-field microscopy

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