Fujitsu and Riken developing 256-qubit superconducting quantum computer [London – United Kingdom] [English]

Author: Charlotte Trueman | Source: Data Center Dynamics | Read the full article in English

In an exciting leap forward for quantum computing, Fujitsu and Riken have collaborated to develop a groundbreaking 256-qubit superconducting quantum computer. This new system builds upon their previous 64-qubit machine, which was first deployed in October 2023. The innovative design uses a unique three-dimensional mounting technique that allows qubits to be arranged in special four-unit cells, demonstrating remarkable scalability in quantum technology.

What makes this development particularly impressive is how the team managed to quadruple the system's density while still using the same cooling unit as their previous model. This achievement suggests significant progress in making quantum computers more compact and efficient. The partners have not only created this advanced system but have also been recognized for their work, receiving an award in March 2024 for developing a high-performance hybrid-quantum computing platform.

Looking to the future, Fujitsu and Riken are not stopping here. They have ambitious plans to continue their research and development, with a goal of installing a 1,000-qubit machine at the Fujitsu Technology Park by 2026. The collaboration between these two organizations has been extended until March 2029, promising continued innovation in the field of quantum computing and potentially bringing us closer to more powerful and sophisticated computational technologies.

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