This Ph.D. has over 20 years of experience in industry and academia on design,simulation, and analysis of various semiconductor devices used in optoelectronics.  He has taught graduate courses at universities in Germany, Sweden, and in the United States.  Most recently, he was an Adjunct Professor at the University of California at Santa Barbara, where his research focused on long-wavelength vertical-cavity lasers and on GaN-based light emitters.  He currently serves as an Executive Editor of Optical and Quantum Electronics as well as an Associate Editor for the Journal of Selected Topics in Quantum Electronics and for the Journal of Computational Electronics.

He has published three books, six book chapters, and more than 200 journal and conference papers.  He is a founder and co-chair of the annual conference on Numerical Simulation of Optoelectronic Devices (IEEE) and he also co-chairs the annual SPIE conference on Gallium Nitride Materials and Devices.  This Ph.D. was invited guest editor for various special journal issues on optoelectronic device simulation and he gives short courses in this field around the world.

• Heat conduction & thermal  management

• Optics and photonics

• Semiconductor and optoelectronic device physics: laserdiodes, light-emitting diodes, photodiodes, solar cells

• Semiconductor device software

• Semiconductor material properties: GaAs, InP, GaN, andrelated compounds

• Solid state & semiconductor physics

• Solid state lighting technology

• Dr. rer. nat. in Theoretical Physics (Ph.D., magna cum laude), Humboldt University Berlin, Germany

• Diplom in Physics (M.S., magna cum laude), Humboldt University Berlin, Germany