At this place it happensElectrons meet photons
Located in the Centre for Semiconductor Technology and Optoelectronics, the chair has had a first-class technical infrastructure since 1998. Together with the Semiconductor Technology Department, the staff use a clean room laboratory with more than 470 square metres of space. In addition to numerous European projects, the Chair of Optoelectronics is also involved in the Centre for Nanointegration CENIDE and the NanoEnergyTechnologyCentre NETZ.
Research and teaching in the field of optoelectronics
With this video we welcome our students and all those who are interested in our courses and research activities. The film was made in September 2020 as part of a faculty-wide project. In addition to the German soundtrack, English subtitles are also available.
In the winter semester 2020/21, we offer the following topics, among others, as Bachelor's, Master's or project work:
- Development of optically steerable planar multiband terahertz antennas
- Development of 200 THz infrared antennas for LIDAR applications
- Early detection of skin cancer by millimetre wave and terahertz spectroscopy
- Real-time fibre-optic radio network for industrial automation technology
Photonic-excited Integrated THz Beam Steering Antennas
Hetero-integrated InP-based THz antenna array chips have been fabricated and successfully deployed for THz image scanners and mobile THz communications. The video shows wireless communication for the generation after 5G with data rates of over 20 Gbit/s at 300 GHz carrier frequency and beam steering angles of about 45°.
Millimetre waves (mm-waves) in the range of 30-300 GHz have shorter wavelengths compared to microwaves and therefore only penetrate a few millimetres into the human body. This enables them to detect pathological changes in the skin layers, which are the starting point of most skin tumours. Other biomedical applications of mm-waves include detecting non-invasive dental caries, monitoring blood glucose, assessing corneal hydration, monitoring wound healing and observing human vital signs. Although these concepts are promising, there are significant challenges to overcome to ensure reliable and stable monitoring using mm-waves. This includes the development of a high-precision instrument for skin monitoring.
Special recognition was given to the development of a novel photonic two-tone terahertz spectroscopy and imaging system, which earned Sebastian Dülme the "Best Student Paper Award (2nd Place)" for his paper "300 GHz Photonic Self-Mixing Imaging-System with vertically illuminated Triple-Transit-Region Photodiode Terahertz Emitters".
In order to be able to invest in new production facilities and equipment, the university will receive over 6.5 million euros from state and EU funds*. This will create a terahertz integration centre (THz-IZ) that is unique in Germany.
The Microelectronics Research Laboratory for High-Frequency Beam Forming - ForLab SmartBeam - is being built at the University of Duisburg-Essen, funded by the BMBF.
At the beginning of the year, the European Union, together with Japan, had published a call for collaborative research projects in four specially selected technology areas. Within each of the four focal areas, only one project was to be funded. In the area of "Access Networks for Densely Located User Areas", Duisburg University and its international partners were able to prevail over many other consortia.
The aim of this COST Activity is to explore new optical technologies and photonically integrated chips (PIC) for future applications in radar, communications and space. Photonic integration should enable connectivities and capacities far beyond the limits of today's electronic systems.
More than 100 years ago, scientists invented the mobile camera to take pictures anywhere. More than 30 years ago, engineering scientists invented the mobile phone to make phone calls anywhere. Now it is time to invent a Mobile Material Detector to determine MAteRIaliEn from any surface as well as inside an object at any location.