Ultrabroadband terahertz pulses from a Ge:Au photoconductive emitter

Singh, Abhishek; Pashkin, Oleksiy; Winnerl, Stephan; Welsch, Malte; Beckh, C.; Sulzer, P.; Leitenstorfer, A.; Helm, Manfred; Schneider, Harald

Ultrabroadband terahertz pulses from a Ge:Au photoconductive emitter

Singh, A.; Pashkin, O.; Winnerl, S.; Welsch, M.; Beckh, C.; Sulzer, P.; Leitenstorfer, A.; Helm, M.; Schneider, H.

Abstract

Using gold-implantated germanium, where the carrier lifetime is shortened by more than three orders of magnitude, we have demonstrated a broadband photoconductive THz emitter compatible with modelocked fiber lasers operating at wavelengths of 1.1 and 1.55 um and pulse repetition rates up to 20 MHz. The emitted THz spectrum spans up to 70 THz. This approach opens up a prospect for manufacturing of compact, high-bandwidth THz photonic devices compatible with Si CMOS technology.

Beteiligte Forschungsanlagen

Ionenstrahlzentrum DOI: 10.17815/jlsrf-3-159

Verknüpfte Publikationen

DOI: 10.17815/jlsrf-3-159 is cited by this (Id 35205) publication

Eingeladener Vortrag (Konferenzbeitrag) (Online Präsentation)
8th International Conference on Antennas and Electromagnetic Systems (AES2022), 24.-27.05.2022, Marrakesh, Morocco

Permalink: https://www.hzdr.de/publications/Publ-35205