Digital information exchange can be safer, cheaper and more environmentally friendly with the help of a new type of random number generator for encryption developed at Linköping University, Sweden. The researchers behind the study believe that the new technology paves the way for a new type of quantum communication.
In an increasingly connected world, cybersecurity is becoming increasingly important to protect not just the individual, but also, for example, national infrastructure and banking systems. And there is an ongoing race between hackers and those trying to protect information. The most common way to protect information is through encryption. So when we send emails, pay bills and shop online, the information is digitally encrypted.
His research group, together with researchers at the Department of Physics, Chemistry and Biology , has developed a new type of QRNG, that can be used for encryption, but also for betting and computer simulations. The new feature of the Linköping researchers' QRNG is the use of light emitting diodes made from the crystal-like material perovskite. The research is published in the journalQuantum random number generation based on a perovskite light emitting diode.
Feng Gao is a professor at IFM and has been researching perovskites for over a decade. He believes that the recent development of perovskite light emitting diodes means that there is an opportunity to revolutionize, for example, optical instruments.
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