The telephone is hooked to the two-wire line, television to the coaxial cable, and the Internet is received via WLAN - many building networks are no longer up to date with increasing mobility and ever larger data volumes. How can Germany make its networks faster and safer?
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Very recently, in July 2017, the RAPID5G (www.rapid-5g.eu) project demonstrated the first publicly accessible live demonstration of its 60 GHz 5G technology.
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Surfing the Internet at ultra-high speed - this is what has been enabled by the worldwide fiber network. However, expansion is progressing at a slug speed, also in Germany and especially in the country side. Unfortunately, laying fibers in the ground is time consuming and expensive. But there is hope: a new photonic antenna unit provides the same speed by radio and can be installed in a few days. It has now been successfully tested in the network of a European telecom company. The antenna was developed by the Optoelectronics department at University of Duisburg-Essen (UDE).
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From 19th until 21st of September, University of Duisburg-Essen exhibits Coherent Radio-over-Fiber (CRoF) systems for next generation optical access and mobile networks. The CRoF systems developed within the IPHOBAC-NG project provide a Wireless Extension of GPON and WDM-PON networks.
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On the occasion of the “International Year Of Light” and the 25th anniversary of the Optoelectronics department, this year’s position of the Scientist in Residence will be held by one of the most recognized international experts in the field of photonics, Professor John E. Bowers.
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Within the framework of European research projects IPHOBAC-NG and RAPID 5G new technologies and system architectures have been developed that allow a particularly efficient radio transmission even at highest frequencies.
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Rattana Chuenchom, currently enrolled at the University of Duisburg-Essen as PhD Student, has presented a new coherent photonic mixer (CPX) that enables the upconversion of optical baseband signals transparently into the millimeter-wave frequency range by optical means.
more about "MWP 2015 Best Paper Award"
The characterization of complex materials and moving objects in an arbritrary environment is a key challenge to sensor technology (eg for 3D material maps). For such complex tasks novel sensors need to be developed that adaptively canadjust the waveform, frequency bandwidth, carrier frequency and observation sector to the measurement environment and material properties.
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The mobile Internet of the future is unimaginable 50 times more powerful than the current systems and is transmitted via small antennas, hanging in street lamps and are connected via the fiber optic network with each other..
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A Selfie at a rock concert or comparing prices via Internet during sale? Actually, no problem - but too many phones in one place slow down the cellular network. Researchers at the University of Duisburg-Essen are working on the next generation of mobile communications: 5G.
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Duisburg. Department of Optoelectronics prepares for the big leap into a new generation of mobile communications. New technology will make mobile Internet 50 times faster.
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At the beginning of the year, the European Union and Japanjointly had published a call for collaborative research projects in four specially selected technology areas. Within the four main priorities, only one project should be encouraged. University of Duisburg-Essen could prevail with its international partners in the subject "Access Networks for Densely Located User Areas".
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The global photonics market was around 350 billion Euros in 2011 - compared to 228 billion Euros in 2005. The photonics industry has grown each year with an average of around 7.5% in nominal terms, which is more than twice as fast as the worldwide GDP.
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Winter term 2014/15 is coming - best time for new resolutions. How about giving a new impetus to your career? The Electrical Engineering Department at University of Duisburg-Essen has a clear idea of how it might look like. It offers an online Master's program: freshly designed, in part-time, and with four majors.
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To see the World Cup in full HD live on your tablet or phone, that's a scenario of which fans can only dream of in 2014. Technologies that can transmit such vast amounts of data by radio are still missing. But we are working on that.
more about "Tera-fast instead of a snail's pace"
Because more and more work is done with mobile phones, wireless networks need to transfer huge amounts of data. The Department of Optoelectronics at UDE showcases at the Laser fair in Munich its super-fast 70 GHz radio transmitter with fiber optic connection.
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Ivan Flammia, currently enrolled at the University of Duisburg-Essen as PhD Student within the Marie-Curie initial training network "MITEPHO", has presented a novel grounded coplanar waveguide (GCPW) to substrate integrated waveguide (SIW) transition for the development of compact and cost-effective 60 GHz photonic transmitters, key elements of Radio-over-Fiber (RoF) systems. For that he received two awards.
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Ivan Flammia, currently enrolled at the University of Duisburg-Essen as PhD Student within the Marie-Curie initial training network “MITEPHO” (MIcrowave and TErahertz PHOtonics), has presented a new photonic transmitter concept for E-Band (60-90 GHz) Radio-over-Fibre systems, allowing for low-cost integration of optical components (photodiodes) and radiofrequency elements (high-gain horn antenna) and introducing the possibility of cost-effective hermetic packaging without the need of sealing plates or radomes.
more about "MWP 2012 Best Student Paper Award"
Japan's National Institute of Information and Communications Technologies (NICT) in Toyko and the Center for Semiconductor Technology and Optoelectronics (ZHO) have agreed to sign a Memorandum of Understanding on cooperation in the field of wireless ultra-high speed communications for the mobile Internet access.
more about "German-Japanese Cooperation"
Andrzej Jankowski and Ivan Flammia, currently enrolled as PhD researchers at the Institute of Optoelectronics at University of Duisburg-Essen, have participated this year in the Marie Curie Actions Conference 2012, as part of the Euro Science Open Forum convention (10th -15th July, Dublin).
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Wireless transmission in the E-band based on optoelectronic technology has already demonstrated data rates up to 12.5 Gb/s with On-Off modulation schemes, and reaching up to 27 Gb/s with spectrally efficient modulation techniques. One of the most promising carrier generation methods is photomixing two optical wavelengths on a high speed photodiode, which in combination with injection and phase locking techniques can generate tuneable, high power, narrow linewidth millimetre carrier wave signals. The photodiode is a key component in these systems, being the element where the optical signals are converted to the electrical domain. Uni-Traveling Carrier Photodiodes (UTC-PDs) have been the dominant type of photodiodes for these applications due to their wide bandwidth and high millimetre-wave output power levels.
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