Publikationen

Zhong, Jin-Hui; Vogelsang, Jan; Yi, Jue-Min; Wang, Dong; Wittenbecher, Lukas; Mikaelsson, Sara; Korte, Anke; Chimeh, Abbas; Arnold, Cord L.; Schaaf, Peter; Runge, Erich; L'Huillier, Anne; Mikkelsen, Anders; Lienau, Christoph
Nonlinear plasmon-exciton coupling enhances sum-frequency generation from a Au/ZnO nanohybrid. - In: DPG-Frühjahrstagung (DPG Spring Meeting) of the Condensed Matter Section (SKM) together with the DPG Division Environmental Physics and the Working Groups Accelerator Physics; Equal Opportunities; Energy; Industry and Business; Physics, Modern IT and Artificial Intelligence, Young DPG, (2020), O 18.9

Behrens, Arne; Bosch, Martí; Feßer, Patrick; Hentschel, Martina; Sinzinger, Stefan
Fabrication and characterization of deformed microdisk cavities in silicon dioxide with high Q-factor. - In: Applied optics, ISSN 2155-3165, Bd. 59 (2020), 26, S. 7893-7899

We demonstrate the excitation and characterization of whispering gallery modes in a deformed optical microcavity. To fabricate deformed microdisk microresonators we established a fabrication process relying on dry plasma etching tools for many degrees of freedom and a shape-accurate morphology. This approach allowed us to fabricate resonators of different sizes with a controlled sidewall angle and underetching in large quantities with reproducible properties such as a surface roughness RQ ≤ 2nm. The excitation and characterization of these modes were achieved by using a state-of-the-art tapered fiber coupling setup with a narrow linewidth tunable laser source. The conducted measurements in shortegg resonators showed at least two modes within a spectral range of about 237 pm. The highest Q-factors measured were in the range of 105. Wave optical eigenmode and frequency domain simulations were conducted that could partially reproduce the observed behavior and therefore allow us to compare the experimental results.

https://doi.org/10.1364/AO.398108

Kürth, Sascha; Schmidt-Grund, Rüdiger; Krischok, Stefan; Tonisch, Katja
Structure and dielectric function tensor of (Al,Sc)N thin films. - In: DPG-Frühjahrstagung (DPG Spring Meeting) of the Condensed Matter Section (SKM) together with the DPG Division Environmental Physics and the Working Groups Accelerator Physics; Equal Opportunities; Energy; Industry and Business; Physics, Modern IT and Artificial Intelligence, Young DPG, (2020), HL 30.29

Kim, Jaewon; Ryu, Jung-Wan
Splitting and combining of exceptional points. - In: DPG-Frühjahrstagung (DPG Spring Meeting) of the Condensed Matter Section (SKM) together with the DPG Division Environmental Physics and the Working Groups Accelerator Physics; Equal Opportunities; Energy; Industry and Business; Physics, Modern IT and Artificial Intelligence, Young DPG, (2020), KFM 7.5

Kreismann, Jakob; Hentschel, Martina
Far-field polarization states of 3D-whispering-gallery-mode resonators. - In: DPG-Frühjahrstagung (DPG Spring Meeting) of the Condensed Matter Section (SKM) together with the DPG Division Environmental Physics and the Working Groups Accelerator Physics; Equal Opportunities; Energy; Industry and Business; Physics, Modern IT and Artificial Intelligence, Young DPG, (2020), KFM 7.3