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Professorship for Optical Spectroscopy on Micro- and Nanostructures

Prof. Dr. Markus Betz

Department of Physics
Otto-Hahn-Str. 4a
44227 Dortmund

Room: CP-01-182
E-Mail: markus.betztu-dortmundde
Tel.: +49 (0)231 755-3670

Portrait of Markus Betz © Markus Betz​/​TU Dortmund


"Our group is dedicated to experimental investigations of charge carrier and spin dynamics in semiconductors and nanostructures. For this purpose, we use modern methods of ultrafast and nonlinear optics. These include excitation-interrogation spectroscopy with a time resolution of up to 50 femtoseconds, time-resolved Kerr microscopy, and second and third optical harmonic analysis.

At the moment, the main issues studied are spin dynamics and spin transport in two-dimensional electron gases under the influence of spin-orbit coupling, two-photon transitions in semiconductors, charge carrier dynamics in VO2 and GaN/AlN heterostructures, plasmonic functionalizations of heterostructures, optical properties of modern monolayer semiconductors such as MoSe2."

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Location & approach

The campus of the Technical University of Dortmund is located near the freeway junction Dortmund West, where the Sauerland line A45 crosses the Ruhr expressway B1/A40. The Dortmund-Eichlinghofen exit on the A45 leads to the South Campus, the Dortmund-Dorstfeld exit on the A40 leads to the North Campus. The university is signposted at both exits.

The "Dortmund Universität" S-Bahn station is located directly on the North Campus. From there, the S-Bahn line S1 runs every 20 or 30 minutes to Dortmund main station and in the opposite direction to Düsseldorf main station via Bochum, Essen and Duisburg. In addition, the university can be reached by bus lines 445, 447 and 462. Timetable information can be found on the homepage of the Rhine-Ruhr transport association, and DSW21 also offer an interactive route network map.



One of the landmarks of the TU Dortmund is the H-Bahn. Line 1 runs every 10 minutes between Dortmund Eichlinghofen and the Technology Center via Campus South and Dortmund University S, while Line 2 commutes every 5 minutes between Campus North and Campus South. It covers this distance in two minutes.



From Dortmund Airport, it takes just over 20 minutes to get to Dortmund Central Station by AirportExpress and from there to the university by S-Bahn. A wider range of international flight connections is offered by Düsseldorf Airport, about 60 kilometers away, which can be reached directly by S-Bahn from the university's train station.

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The facilities of TU Dortmund University are spread over two campuses, the larger Campus North and the smaller Campus South. Additionally, some areas of the university are located in the adjacent "Technologiepark".

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