<div><h3 class="t-margin-top-20"> Towards a European value chain for qubits and quantum computers</h3><p class="c-project-description__text" data-se="project_description"> Computers have enabled revolutionary insight and predictions from enormous amounts of data thanks to their ability to execute in a few hours the computations it would take a person years to do — and with incredible accuracy. As data sets become exponentially larger and more complex while applications demand increasingly fast and secure processing, conventional digital computing cannot keep up. Quantum computing based on superconducting qubits could be the key to our computing future. The EU-funded MATQu project is out to validate technology options for the production of superconducting Josephson junctions exploiting industrial silicon-based process flows. This endeavour will lay the groundwork for European leadership and independence in this socioeconomically strategic application.</p><h2>Objective</h2><p class="c-article__text">                                Over the past 60+ years CMOS-based digital computing has giving rise to ever-greater computational performance, „big data“-based business models and the accelerating digital transformation of modern economies. However, the ever-growing amounts of data to be handled and the increasing complexity of today’s tasks for high performance computing (HPC) are becoming unmanageable as the data handling and energy consumption of HPCs, server farms and cloud services grow to unsustainable levels. New concepts and technologies are needed. One such HPC technology is Quantum computing (QC). QC utilizes so-called quantum bits (qubits) to perform complex calculations fundamentally much faster than a conventional digital-bit computers can.  First quantum computer prototypes have been created. Superconducting Josephson junctions (SJJs) have been shown to be extremely promising qubit candidates to achieve a significant nonlinear increase of computational power with the number of qubits.  For novel materials there is a great challenge yet opportunity in Europe to create a complete value chain for SSJs and QCs. Such a complete value chain will contribute to Europe’s technology sovereignty. The MATQu project aims at validating the technology options to produce SJJs on industrial 300 mm silicon-based process flows. It covers substrate technology, superconducting metals, resonators, through-wafer-via holes, 3D integration, and variability characterization. These will be assessed with respect to integration practices of qubits. Core substrate and process technologies with high quality factors, improved material deposition on large-substrates, and increased critical temperature for superconducting operation, will be developed and validated. The MATQu partners complement each other in an optimal way across the value chain to create a substantial competitive advantage, e.g. faster time-to-market and roll-out of technologies and materials for better Josephson junctions for quantum computing.                            </p></div>

Materials for quantum computing

Towards a European value chain for qubits and quantum computers Computers have enabled revolutionary insight and predictions from enormous amounts of data thanks to their ability to execute in a few hours the computations it would take a person years to do -- and with incredible accuracy. As data sets become exponentially larger and more complex while applications demand increasingly fast and secure processing, conventional digital computing cannot keep up. Quantum computing based on superconducting qubits could be the key to our computing future. The EU-funded MATQu project is out to validate technology options for the production of superconducting Josephson junctions exploiting industrial silicon-based process flows. This endeavour will lay the groundwork for European leadership and independence in this socioeconomically strategic application.Objective Over the past 60+ years CMOS-based digital computing has giving rise to ever-greater computational performance, ,,big data"-based business models and the accelerating digital transformation of modern economies. However, the ever-growing amounts of data to be handled and the increasing complexity of today's tasks for high performance computing HPC are becoming unmanageable as the data handling and energy consumption of HPCs, server farms and cloud services grow to unsustainable levels. New concepts and technologies are needed. One such HPC technology is Quantum computing QC. QC utilizes so-called quantum bits qubits to perform complex calculations fundamentally much faster than a conventional digital-bit computers can. First quantum computer prototypes have been created. Superconducting Josephson junctions SJJs have been shown to be extremely promising qubit candidates to achieve a significant nonlinear increase of computational power with the number of qubits. For novel materials there is a great challenge yet opportunity in Europe to create a complete value chain for SSJs and QCs. Such a complete value chain will contribute to Europe's technology sovereignty. The MATQu project aims at validating the technology options to produce SJJs on industrial 300 mm silicon-based process flows. It covers substrate technology, superconducting metals, resonators, through-wafer-via holes, 3D integration, and variability characterization. These will be assessed with respect to integration practices of qubits. Core substrate and process technologies with high quality factors, improved material deposition on large-substrates, and increased critical temperature for superconducting operation, will be developed and validated. The MATQu partners complement each other in an optimal way across the value chain to create a substantial competitive advantage, e.g. faster time-to-market and roll-out of technologies and materials for better Josephson junctions for quantum computing.

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