Quantum communication: Paderborn leads Revolution in IT security!

Quantum communication: Paderborn leads Revolution in IT security!

The University of Paderborn participates in a new unique joint project that aims to significantly improve IT security through quantum communication. This project, titled "QuantePeater.net (Qr.n)", will be funded with around 20 million euros from the Federal Ministry of Education and Research (BMBF) and is to be realized in the next three years. A total of 42 partners from science and industry are working on the development and demonstration of new concepts for quantum repeaters on real test tracks.

quantum repeater are a key technology for secure information transmission over larger distances. However, they are more complex than conventional repeater because quantum states cannot be copied. The team of the University of Paderborn focuses in particular on the quantum frequency conversion, which enables different quantum repeater platforms to link. The working groups involved include the "optoelectronic materials and components" under the direction of Prof. Dr. Dirk Reuter and the "integrated quantum look", led by Prof. Dr. Christine Silberhorn.

technological challenges and solutions

The development of new quantum light sources based on half -ladder anostructures is the focus of the research project. These quantum light sources are required for the third generation quantum repeater. The Institute for Photonic Quantum Systems (PhoQs) will also provide photonic key technologies for quantum communication. The aim of research is also the development of cross -platform methods and protocols for hybrid quantum nodes that support existing communication networks through quantum restrictions.

The relevance of these technologies goes far beyond academic research. Safe communication methods are crucial for the protection of critical infrastructures in the future. In a modern, liberal society, safe communication is becoming increasingly important. This is underlined by the threat of quantum computers that question existing cryptographic procedures.

quantum communication in global context

According to the findings of the Fraunhofer Society, quantum communication and quantity-proof encryption strategies play a growing role in the area of ​​IT security. The quantum key distribution (QKD) is a central element that promises physically safe communication methods. Hearing attempts can be recognized immediately, which increases communication integrity. In practice there are already commercial applications and the first pilot projects, such as the Qunet Initiative in Berlin, which connects network nodes.

A recently carried out study by Fraunhofer ISI and the University of Saarland illuminates the current market maturity and the challenges in the field of quantum communication technologies. The investigation shows that the industrial leader in patenting is around 70%, which underlines the strategic importance of this technology. The global market for quantum communication will increase to 5.8 billion euros by 2030, which implies annualized growth rates between 15 and 25 percent.