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X-WR-CALDESC:Events for GRK 2905 - Ultrafast Nanoscopy
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DTSTART;TZID=Europe/Berlin:20251121T140000
DTEND;TZID=Europe/Berlin:20251121T150000
DTSTAMP:20260428T212111
CREATED:20250918T091414Z
LAST-MODIFIED:20260326T162255Z
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SUMMARY:RTG Colloquium:Prof. Dr. Miriam Vitiello
DESCRIPTION:Detector-less near-field quantum nanoscopy in the far-infraredNEST\, CNR – Istituto Nanoscienze and Scuola Normale Superiore\, Pisa\, Italy \n\n\n\nNear-field nanoscopy at terahertz (THz) frequencies (wavelength range\, 3 mm – 3 µm) enables studies of objects over a large span of scales – from 300 µm to the nanometer scale – and disciplines\, from physics to biological science. The talk will show the potential of a series of near-field nanoimaging approaches that\, while exploiting the same core building block (a detector-less QCL-based nanoscope)\, rely on different physical mechanism for imaging reconstruction. I will also highlight their potential for tracing the realspace propagation of THz-frequency polaritons in isotropic and anisotropic nanomaterials and meta-elements. \n\n\n\n \n\n\n\n \n\n\n\n \n\n\n\nVenue: RUN Auditorium
URL:https://grk2905.de/event/grk-colloquium-prof-dr-miriam-vititello/
CATEGORIES:Colloquium
ATTACH;FMTTYPE=image/webp:https://grk2905.de/wp-content/uploads/2025/09/MiriamVitiello-e1758186925309.webp
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BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20251202T141500
DTEND;TZID=Europe/Berlin:20251202T151500
DTSTAMP:20260428T212111
CREATED:20251106T152233Z
LAST-MODIFIED:20260326T162238Z
UID:1845-1764684900-1764688500@grk2905.de
SUMMARY:RTG Colloquium:Prof. Dr. Jim Freericks
DESCRIPTION:How to describe pump-probe experiments in quantum materialsGeorgetown University\, Washington\, USA \n\n\n\n \n\n\n\nI will describe both the challenges\, and how to address them\, when theoretically modelling ultrafast pump-probe experiments in strongly correlated materials and in materials with strong electron-phonon coupling. After providing an introduction\, I will focus on three case studies: (i) examining the response at picosecond times of charge-density waves with ultrashort pulses that drive the electrons; (ii) examining the response on femtosecond times for nonresonant electronic Raman scattering; and (iii) examining how one can measure correlated charge dynamics in f-electronsystems using x-ray photoemission spectroscopy and x-ray absorption spectroscopy. \n\n\n\n \n\n\n\n \n\n\n\nVenue: H34
URL:https://grk2905.de/event/grk-colloquium-prof-dr-jim-freericks-2/
CATEGORIES:Colloquium
ATTACH;FMTTYPE=image/jpeg:https://grk2905.de/wp-content/uploads/2025/11/Jim_freericks.jpeg
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BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20260116T140000
DTEND;TZID=Europe/Berlin:20260116T150000
DTSTAMP:20260428T212111
CREATED:20250918T092416Z
LAST-MODIFIED:20260326T162207Z
UID:1781-1768572000-1768575600@grk2905.de
SUMMARY:RTG Colloquium: Prof. Dr. Rudolf Bratschitsch
DESCRIPTION:Title: Magnonic waveguide networks \n\n\n\nUltrafast solid-state quantum optics and nanophotonics\, Physical Institute\, University of Münster\, Münster\, Germany \n\n\n\nSpin waves (magnons) have emerged as a promising platform for next-generation physical computing. However\, current experimental realizations of magnonic waveguides suffer from limited spin-wave propagation lengths and inefficient dispersion tuning capabilities. In my talk\, I will present low-loss magnonic waveguides in a thin magnetic insulator film\, fabricated with a new maskless silicon ion implantation technique. We demonstrate a large-scale magnonic network\, paving the way for wafer-scale magnonic integrated circuits. \n\n\n\n \n\n\n\n \n\n\n\nVenue: RUN Auditorium
URL:https://grk2905.de/event/grk-colloquium-prof-dr-rudolf-bratschitsch/
CATEGORIES:Colloquium
ATTACH;FMTTYPE=image/jpeg:https://grk2905.de/wp-content/uploads/2025/09/bratschitsch-e1758187435116.jpg
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BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20260123T140000
DTEND;TZID=Europe/Berlin:20260123T150000
DTSTAMP:20260428T212111
CREATED:20250918T092750Z
LAST-MODIFIED:20260326T162155Z
UID:1784-1769176800-1769180400@grk2905.de
SUMMARY:RTG Colloquium:Dr. Anna Rosławska
DESCRIPTION:Single-molecule optics with atomic precision\n\n\n\nAtomic Scale Optics\, Max Planck Institute for Solid State Research\, Stuttgart\, Germany \n\n\n\nLuminescence\, photosynthesis\, and energy harvesting rely on processes originating at the spatial scale of individual molecules. Investigating the details of these mechanisms requires reaching subnm precision in optics\, which becomes possible by combining optical spectroscopy with scanningprobe microscopy. In my talk\, I will discuss how atomic-scale optics can be used to study the optical properties of single molecules and to drive photochemistry with sub-nm precision. \n\n\n\n \n\n\n\nVenue: RUN Auditorium
URL:https://grk2905.de/event/grk-colloquium-dr-anna-m-roslawska/
CATEGORIES:Colloquium
ATTACH;FMTTYPE=image/webp:https://grk2905.de/wp-content/uploads/2025/09/anna_maria_roslawska-e1758187610182.webp
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BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20260130T140000
DTEND;TZID=Europe/Berlin:20260130T150000
DTSTAMP:20260428T212111
CREATED:20250918T093152Z
LAST-MODIFIED:20260326T162142Z
UID:1788-1769781600-1769785200@grk2905.de
SUMMARY:RTG Colloquium:Prof. Dr. Renske van der Veen
DESCRIPTION:Fast electrons and hard X-rays for unraveling atomic-scale dynamics in light-energy conversion\n\n\n\nDepartment Atomic-Scale Dynamics in Light-Energy Conversion\, Helmholtz Zentrum Berlin \n\n\n\nThe increasing demand for renewable and low-cost energy motivates intensive research aimed at characterizing and optimizing materials that can efficiently convert (sun) light into usable energy in the form of electricity or chemical fuels. Conventional characterization techniques either lack the spatial resolution necessary to resolve individual atoms\, or they lack the temporal resolution required to capture structural rearrangements as they evolve. Our group develops complementary X-ray and electron-based tools to visualize light-induced processes in materials on atomic length and time scales. In this talk I will introduce you to the techniques of ultrafast/time-resolved X-ray spectroscopy and transmission electron microscopy and provide several examples of how these techniques can be used in the fields of solar energy and catalysis. \n\n\n\n \n\n\n\n \n\n\n\n \n\n\n\nVenue: RUN Auditorium
URL:https://grk2905.de/event/grk-colloquiumprof-dr-renske-van-der-veen/
CATEGORIES:Colloquium
ATTACH;FMTTYPE=image/png:https://grk2905.de/wp-content/uploads/2026/01/VanDerVeen.png
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