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C04: Ultrafast electric control of optical polarizations and transitions

Abstract

The central goal of this project is the development of tailored optoelectronic structures, which exhibit electrically controlled nonlinear and coherent functionalities. The new functional structures are comprised of an ultrafast SiGe hetero-bipolar electronic circuit which drives a single quantum dot photodiode. The phase of coherently excited states as well as the resonance conditions for exciton and biexciton transitions will be controlled by ultrafast Stark effect tuning. Fast laser-synchronous electric control on ps timescales opens fundamentally new perspectives for future optoelectronics in the coherent regime.

Research Staff
Prof. Dr. Artur Zrenner Principal investigator
Prof- Dr.-Ing. Andreas Thiede Principal investigator
Dr. Amlan Mukherjee Postdoc researcher
M. Sc. Alex Widhalm PhD