Tränkle, Prof. Dr. Günther

Günther Tränkle received his diploma degree in physics at the TU Munich in 1981 and his PhD in physics at the University of Stuttgart in 1988. He then joined the Walter-Schottky-Institute at TU Munich running its III-V semiconductor technology, followed by a position as Department Head at the Fraunhofer IAF in Freiburg, where he was responsible for the development and realization of electronic and optoelectronic III-V semiconductor devices. In 1996, he was appointed Head of the Ferdinand-Braun-Institut (FBH) in Berlin. He has held a chair on microwaves and optoelectronics at the TU Berlin since 2002. His research interests include III-V semiconductor technology, micro- and millimeter-wave devices and high-power diode lasers.

Günther Tränkle hans founded five start-up companies since 1999. He manages the FBH and its research activities on electronic and optical components, modules and systems based on compound semiconductors. The FBH develops light sources from the visible to the ultra-violet spectral range: high-power diode lasers with excellent beam quality, UV light sources and hybrid laser systems. In the field of microwaves, the focus is on high-efficiency multi-functional power amplifiers and millimeter wave frontends targeting e.g. car safety systems.

Currently, Günther Tränkle is particularly concerned with the terahertz electronics field via an endowed professorship in cooperation with the University Frankfurt as well as with high-precision measurements with small-sized, hybrid-assembled laser systems and the integration of optoelectronic and electronic high-power devices into one compact module. Only recently, a novel picosecond light source with integrated pulse picker has been successfully demonstrated. I.e. for the first time, a module completely based on semiconductor technology is available, that can deliver ultra-short light pulses of less than ten picoseconds with almost any desired pulse repetition rate. Laser systems with pulse pickers can be used for example in laser material processing as seed lasers for fiber lasers and in biomedical analytics based on fluorescence spectroskopy.

Handy sized: ps light source with integrated pulse picker (Photo: FBH/Schurian)

Prof. Dr. Günther Tränkle
Ferdinand-Braun-Institut
Leibniz-Institut für Höchstfrequenztechnik
Gustav-Kirchhoff-Str. 4
12489 Berlin, Germany
Telefon | Phone: +49 (0)30 6392 2601
guenther.traenkle@fbh-berlin.de
www.fbh-berlin.de