Regensburg 2025 – scientific programme

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HL: Fachverband Halbleiterphysik

HL 18: Focus Session: Nanoscale Light-matter Interaction I

Tuesday, March 18, 2025, 09:30–13:00, H17

The focus session highlights recent breakthroughs in resolving the optoelectronic properties of individual nanostructures down to the atomic scale. Moreover, the session introduces the rich field of surface polaritons, confined electromagnetic modes through which light can be guided on subwavelength scales.

The focus session is organized by Markus Huber (U Regensburg) and Fabian Mooshammer (U. Regensburg).

	09:30	HL 18.1	Invited Talk: Ultrafast Nano-Spectroscopy of Photo-Induced Dynamics in Low-Dimensional Materials — •Takashi Kumagai
	10:00	HL 18.2	Invited Talk: Landau level Nanoscopy of charge and heat transport in low-dimensional heterostructures — •Mengkun Liu
	10:30	HL 18.3	Invited Talk: Real space mapping of electrically tunable anisotropic THz plasmon polaritons in hBN encapsulated black phosphorus — •Eva Pogna
	11:00		15 min. break
	11:15	HL 18.4	Invited Talk: Ultra-confined THz hyperbolic phonon polaritons in a transition metal dichalcogenide — Ryan A. Kowalski, Niclas S. Mueller, Gonzalo Alvarez-Perez, Maximilian Obst, Katja D. Granados, Giulia Carini, Aditha Senarath, Saurabh Dixit, Richarda Niemann, Ragu B. Iyer, Felix Kaps, Jakob Wetzel, J. Michael Klopf, Ivan I. Kravchenko, Deliang Bao, Sokrates T. Pantelides, Martin Wolf, Lukas Eng, Pablo Alonso-Gonzalez, Susanne Kehr, Thomas G. Folland, •Alexander Paarmann, and Joshua D. Caldwell
	11:45	HL 18.5	Invited Talk: Programmable polariton nanophotonics using phase-change materials — •Thomas Taubner
	12:15	HL 18.6	Heralding non-classical light by tailored free-electron interactions with photonic modes — •Armin Feist, Guanhao Huang, Germaine Arend, Yujia Yang, Jan-Wilke Henke, Zheru Qiu, Hao Jeng, Arslan Sajid Raja, Rudolf Haindl, Rui Ning Wang, Tobias J. Kippenberg, and Claus Ropers
	12:30	HL 18.7	Attosecond electron microscopy using free-electron homodyne detection — •John H. Gaida, Sergey V. Yalunin, Hugo Lourenço-Martins, Murat Sivis, Thomas Rittmann, Armin Feist, F. Javier García de Abajo, and Claus Ropers
	12:45	HL 18.8	Light-matter interaction on subcycle time and atomic length scales — •Tom Siday, Johannes Hayes, Felix Schiegl, Fabian Sandner, Peter Menden, Valentin Bergbauer, Martin Zizlsperger, Svenja Nerreter, Sonja Lingl, Jascha Repp, Jan Wilhelm, Markus A. Huber, Yaroslav A. Gerasimenko, and Rupert Huber