Laser Seminar / NCCR MUST Seminar: Ultrafast electronic band gap control and inhibition of the photoinduced structural phase transition in an excitonic insulator
Date | Mi, 04.07.2018 | |
Time | 10:00 | |
Speaker | Prof. George Keiser, Department of Physics, Washington College, Maryland, USA | |
Location | ETH Hönggerberg, HPF G6 | |
Program | In the last twenty years, terahertz (THz) frequencies have been the starting point for many advances in the field of metamaterials. The general need for THz frequency devices and the unique overlap between electronics and photonics technology in the THz regime provide many applications to which metamaterials are ideally suited. Sensors, absorbers, filters, amplitude and phase modulators for THz light are just a few areas where metamaterials have made a mark. Recently, high field and nonlinear studies have become more and more accessible at THz frequencies, resulting in an even stronger symbiosis between metamaterials and THz science. In this talk, I will discuss the role of metamaterials in the development of new nonlinear THz devices and also some challenges that high power THz sources pose for current metamaterial technology. |