Welcome to the Huber group at the University of Regensburg!
Many of the fundamental laws and unexpected phenomena in condensed matter physics are caused by extremely fast dynamics of electrons and ions on the femtosecond time (1 fs = 10-15 s) and terahertz frequency scale (1 THz = 1012 Hz). Unravelling such ultrafast processes is the main interest of our research. We develop next-generation, high-intensity femtosecond laser sources and THz technology, and employ them to explore novel femtophysics.
Click on the images above or check our Research page for more information on our current work.
2025-02-19
? Brad Baxley, PtW |
We explored how the antiferromagnetic spin alignment in adjacent layers of the van der Waals crystal CrSBr confines Coulomb bound electron hole pairs into one dimension. In two back-to-back publications in Nature Materials, we discovered two key signatures of this intriguing process:
In a close collaboration with the groups of Mackillo Kira (University of Michigan), Zdeněk Sofer (University of Chemistry and Technology Prague) and Florian Dirnberger (Technical University of Munich), we resolved the internal structure and a strong fine-structure splitting of the excitons. |
We also contributed to a
complementary study by the groups of D. N. Basov (Columbia University, New York) and colleagues as well as Alexey Chernikov (TU Dresden) to identify a new exciton species living exquisitely at the surfaces of the quasi-one-dimensional semiconductor: so-called surface excitons.
For further information, please visit the press department of the university (
German/
English) or the
News & Views article of Nature Materials.
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more
2025-02-12
? Simon Anglhuber, UR
We explored a novel approach to directly visualize THz surface polariton propagation in both space and time – accessing the polariton’s group and phase velocities, as well as its damping. Through photoexcitation, we even achieved subcycle control of the polariton propagation.
The results obtained in close collaboration with the group of Miriam Vitiello in Pisa (NEST, CNR) and Eva A. A. Pogna in Milano (CNR-IFN) have been published in Nano Letters (Coverstory).
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For more News from our group, please click here or on the menu item on the left.
Our group regularly receives funding from national and international research agencies. Among them are:
The German Science Foundation
with funding for SFB 1277, as well as smaller grants (HU1598) and major instrumentation
The European Research Council
through several grants, including ERC grant 101071259 (Orbital Cinema), ERC grant 305003 (QUANTUMsubCYCLE) and ERC grant 681379 (SPRINT)
The Alexander von Humboldt Foundation
with several current and past fellowships, including funding for N. Nilforoushan
The German Federal Republic and the Free State of Bavaria
funding the Regensburg Center for Ultrafast Nanoscopy according to Art. 91b Abs. 1 Satz 1 GG
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