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Seminar Prof. Nahid Talebi

Nahid Talebi

Time: 2 February 2024, 10.30-11.30
SDU POLIMA Common Room, University of Southern Denmark, Campusvej 55, 5230 Odense M
No registration needed. Everybody is welcome!
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Electron microscopes are not only powerful imaging tools, but they also enable scientists to study quantum phenomena at the nanoscale. The flourishing field of ultrafast electron microscopy in recent years allows for exploring the quantum aspects of electron-photon interactions with electron microscopes and enables the investigation of the dynamics at the nanoscale spatial and femtosecond time resolution. Here, I outline our recent results where we have used cathodoluminescence spectroscopy to investigate the formation and propagation of exciton polaritons in van der Waals materials [1, 2]. Moreover, I will demonstrate and discuss a novel type of ultrafast electron microscopy that utilizes electron-driven photon sources [3] as internal radiation sources to map the dynamics of exciton polaritons and acquire their spectral phases [4]. Finally, our numerical investigations of the evolution of the electron wavepackets interacting with free-space and near-field light are demonstrated and will be highlighted as a roadmap for realizing the next generation of ultrafast electron microscopes flavoring the interaction of shaped electron wavepackets with light and matter [5].

[1] M. Taleb, F. Davoodi, F. Diekmann, K. Rossnagel, N. Talebi, Adv. Photonics Res. 3, 210012 (2022).
[2] F. Davoodi, M. Taleb, F. K. Diekmann, T. Coenen, K. Rossnagel, N. Talebi, ACS Photonics 9 (7), 2473–2482 (2022).
[3] N. Talebi, S. Meuret, S. Guo, M. Hentschel, A. Polman, H. Giessen, P. A van Aken, Nat. Commun. 10 (1), 599 (2019).
[4] M. Taleb, M. Hentschel, K. Rossnagel, H. Giessen, N. Talebi, Nat. Phys. 19, 869–876 (2023).
 [5] N. Talebi, Phys. Rev. Lett. 125, 080401 (2019).

Biography of Nahid Talebi
Nahid Talebi is the director of the Institute for Experimental and Applied Physics in Kiel, Germany, holding the chair for Nanooptics. Her work focuses on electron-photon interactions, ultrafast nanooptics, and electrodynamics. She graduated from Tehran University with a PhD in Electrical Engineering in 2011, defended with distinction. During her studies, she visited the Max Planck Institute in Stuttgart for the duration of 7 months with a Scholarship from the Max Planck Society. In 2012, she joined the Stuttgart Center for Electron Microscopy as an Alexander von Humboldt Research Fellow. In 2015, she became a group leader at the Max Planck Institute for Solid State Research and in 2018, she received an ERC Starting Grant from the European Research Council.


Last Updated 21.03.2024