Quantum photonic chip for high speed random number generation
The German Ministry for Research and Education (BMBF) is funding a project to develop a high speed quantum photonic chip for random number generation (RNG)
The CBQD project aims to develop a full integrated quantum photonic RNG chip that generates random numbers at high speed based on quantum photonic effects for the Common Criteria for IT product security.
Fraunhofer IPMS is responsible for coordination and QNRG chip integration in the project which will use silicon-germanium technologies to develop electrophotonic integrated circuits (EPIC) to create a fully integrated solution with laser source, waveguide structures, photodiodes and analog/digital signal processing. The QRNG solution will be tested in two Quantum Key Distribution (QKD) applications in the project. The interdisciplinary project team brings extensive expertise from quantum theory to security proofs, security-by-design experience for RNGs, silicon photonics to QKD systems and their integration in applications.
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Random numbers are the basis of encryption algorithms and quantum random number generation (QRNG) has been one of the first applications of quantum technology with startups such as Silicon Dice and KETS Quantum Security in the UK and Quside in Spain.
“In the project, we will develop a compact QRNG chip with a noise bit rate of 5 Gbit/s. The noise bit rate is a decisive factor for the speed in random number generation,” explains Christoph Posenau, project manager at Fraunhofer IPMS. “The goal is to combine high speed with a compact design, while meeting the requirements of Common Criteria AIS 20/31 PTG.3, a standard for security requirements for IT products of the German Federal Office for Information Security (BSI).”
For the quantum RNG chip Fraunhofer IPMS will be working with the Fraunhofer Institute for Applied Optics and Precision Engineering (IOF), Leibniz University Hannover (LUH), the Leibniz Institute for High Performance Microelectronics (IHP) and the Technical University of Darmstadt (TUDa) with Adva Network Security GmbH as an associate partner.
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