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An Open Superconducting Quantum Computer

Periodic Reporting for period 1 - OpenSuperQ (An Open Superconducting Quantum Computer)

Reporting period: 2018-10-01 to 2020-03-31

The OpenSuperQ project aims at building an European quantum computer of disruptive size and make it available for researchers and developers in a central site. This quantum computer is based on integrated electric circuits made from superconducting metals. In order to achieve this goal, OpenSuperQ is integrating the whole stack of hardware and software components necessary.
Quantum computers are expected to play a key role in the digital infrastructure of the future. They promise to solve certain tasks that are hard for even the largest classical computers, thus enhancing the capabilities of society to benefit from automation and digitization as well as creating a competitive advantage for the European industry by permitting unhindered access. As first applications, OpenSuperQ is proposing tasks from computational chemistry and materials science as well as the optimization problems that occur in traffic management and in artificial intelligence
OpenSuperQ has achieved its intermediate goals, most of which are of technical nature. It has established quantum gate operations with state-of-the art errors with multiple strategies and in multiple laboratories. The measurement and cryogenics systems of OpenSuperQ, that can hold 100 qubits are ready and the central laboratory is rapidly building up. A suite of benchmarks from quantum chemistry has been brought forward along with a software stack, allowing to calibrate and optimize operation of large quantum processors.
OpenSuperQ has brought together a scientific partner network for deepened exchange on both the academic and the industrial and use-case driven side.
OpenSuperQ has met its first integration waypoint with a seven qubit device. It allowed to study the industrially relevant problem of quantum-enhanced optimization and world-leading algorithmic depth and a first verification of a full instance of the surface code for quantum error correction. It is expected to deliver a 50-100 qubit device going beyond the current state of the art in size and performance with flexible deep access as an R&D tool for Europe. This is expected to be catalyst for disruptive use cases as well as a hardware ecosystem. Already now, the industrial partners of OpenSuperQ are commercializing tools that have OpenSuperQ results inside.
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