Japan Activates World S First Hybrid Quantum Supercomputer At Riken

Tokyo, Japan, February 12th, 2025 — Quantinuum, the world’s largest integrated quantum computing company, and RIKEN, Japan’s largest comprehensive research institution, today announced the successful on-premise installation of Quantinuum’s “Reimei” quantum computer at RIKEN’s... RIKEN has designed, prepared, and delivered a world-class facility for the trapped-ion quantum computer, which will enable generations of high-performance quantum systems. This state-of-the-art machine is now fully operational, ushering in a new era of discovery and innovation. With its installation at RIKEN’s world-class facility, Japanese researchers now have direct, on-site access to Quantinuum’s cutting-edge quantum computing technology, renowned for being the highest performing systems in the world. Quantinuum’s hardware stands out as the only available system using a unique architecture that physically moves qubits, unlocking new tools and possibilities unavailable on other platforms. The exceptional performance and consistency of the system are supported by the stability of the facility's world-class environment, which is designed, built, and maintained to maximize the capabilities of Quantinuum's quantum computers.

Named “Reimei,” which translates into “dawn” in Japanese, this powerful quantum computer symbolizes the incredible potential of quantum technology and integrated hybrid computational platforms. The trapped-ion quantum computer by Quantinuum will work in harmony with RIKEN’s famed Japanese flagship supercomputer Fugaku, creating a cutting-edge quantum-HPC hybrid platform designed to tackle computations that surpasses the capabilities of traditional supercomputers—an... This groundbreaking installation is part of an ambitious project commissioned by the New Energy and Industrial Technology Development Organization (NEDO), a national research and development entity under Japan’s Ministry of Economy, Trade and Industry. Looking ahead, the next phase of this collaboration will focus on the integration of a quantum-HPC hybrid platform in 2025. Quantinuum is excited to team up with RIKEN and other partners to optimize operations within this innovative hybrid environment. Japan's Fugaku supercomputer has gained an edge following the installation of the Reimei quantum computer.

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Engineers in Japan have switched on the world's first hybrid quantum supercomputer. The 20-qubit quantum computer, called Reimei, has been integrated into Fugaku — the world's sixth-fastest supercomputer. The hybrid platform will work to tackle calculations that can take classical supercomputers much longer to process. The machine, which is housed at the Riken scientific institute in Saitama, near Tokyo, will be used primarily for physics and chemistry research, representatives from Quantinuum, the makers of Reimei, and Riken said in...

Supercomputer Fugaku at the RIKEN Center for Computational Science in Kobe (©Sankei by Yasuaki Watanabe) A newly installed IBM quantum computer officially began full-scale operations on June 24 at the RIKEN Center for Computational Science in Kobe. In a groundbreaking initiative, it will operate in tandem with Japan's flagship supercomputer, Fugaku, with the goal of dramatically enhancing computational power and processing efficiency. This integration of quantum and classical computing is expected to accelerate innovation across a broad spectrum of fields, from drug discovery to cutting-edge materials research. Quantum computers harness the unique properties of subatomic particles like photons and electrons to perform complex calculations. Celebrated for their extraordinary potential, quantum computers are often said to solve problems in one minute that would take a supercomputer 100 years.

They are especially effective in quantum chemical calculations, helping scientists analyze the behavior of matter and chemical reactions at the molecular scale. The Wako campus has a new quantum computer: Reimei, based on a trapped-ion architecture designed by Quantinuum, and installed in a world-class facility for the system designed by RIKEN. One of the important milestones with the new system will be to link it to RIKEN’s Supercomputer Fugaku in Kobe, Japan, creating a leading-edge hybrid quantum high-performance computing (HPC) platform. The computer’s name, “Reimei,” which translates into “dawn” in Japanese, symbolizes the great potential of quantum technology and integrated hybrid computational platforms to tackle computations that surpass the capabilities of traditional supercomputers. Mitsuhisa Sato, Director of the Quantum-HPC Hybrid Platform Division, RIKEN Center for Computational Science, says, “Reimei’s high-fidelity qubits and all-to-all connectivity will significantly enhance the research possibilities of our quantum-HPC hybrid platform. We are thrilled to explore new frontiers in scientific research on quantum-HPC hybrid applications by using the Quantinuum system with our Fugaku.”

The installation of the system is part of an ambitious project commissioned by the New Energy and Industrial Technology Development Organization (NEDO), a national research and development entity under Japan’s Ministry of Economy, Trade... For further details, see the press release issued by Quantinuum. Quantinuum, the leading integrated quantum computing company globally, and RIKEN, Japan’s largest and most comprehensive research institution, have announced the successful installation of Quantinuum’s “Reimei” quantum computer at RIKEN’s Wako campus in Saitama, Japan. RIKEN has meticulously designed, prepared, and delivered a state-of-the-art facility to house the trapped-ion quantum computer, laying the groundwork for future generations of high-performance quantum systems. The advanced machine is now fully operational, marking the beginning of a new era in scientific discovery and technological innovation. With the quantum computer installed at RIKEN’s world-class facility, researchers in Japan now have direct, on-site access to Quantinuum’s leading-edge quantum computing technology, known for offering the highest-performing systems in the world.

Quantinuum’s hardware stands out as the only available system utilizing a distinctive architecture that physically moves qubits, providing new tools and capabilities not possible on other platforms. The system’s exceptional performance and reliability are reinforced by the stability of the facility’s world-class environment, purposefully designed, constructed, and maintained to enhance the full potential of Quantinuum’s quantum computers. Named “Reimei,” meaning “dawn” in Japanese, this powerful quantum computer represents the immense promise of quantum technology and integrated hybrid computational platforms. The trapped-ion quantum computer from Quantinuum will work synergistically with RIKEN’s renowned Japanese flagship supercomputer Fugaku, forming a state-of-the-art quantum-HPC hybrid platform that aims to tackle computations beyond the reach of traditional supercomputers—signifying a... This groundbreaking installation is part of a visionary project commissioned by the New Energy and Industrial Technology Development Organization (NEDO), a national research and development agency under Japan’s Ministry of Economy, Trade, and Industry. First on-premise delivery of a Quantinuum system

Quantinuum has successfully deployed its Reimei quantum computer at the Wako, Saitama, campus of Japanese research institute Riken. The H1-Series ion trap system is now fully operational and will be used to accelerate quantum applications across physics and chemistry. Powered by Honeywell, the Quantinuum H1-1 ion trap quantum computer contains 20 fully connected qubits that sit across five Quantum Charged Coupled Device (QCCD) zones. The machine will work in tandem with Riken’s Fugaku supercomputer, creating what Quantinuum described in a statement as a “cutting-edge quantum-HPC hybrid platform designed to tackle computations that surpasses the capabilities of traditional supercomputers.” The installation of Reimei at Riken marks Quantinuum's first on-premise delivery of a system. The deployment was supported by the New Energy and Industrial Technology Development Organization (NEDO), a national research and development agency under Japan’s Ministry of Economy, Trade and Industry.

“Engineers in Japan have switched on the world’s first hybrid quantum supercomputer. The 20-qubit quantum computer, called Reimei, has been integrated into Fugaku — the world’s sixth-fastest supercomputer. The hybrid platform will work to tackle calculations that can take classical supercomputers much longer to process. The machine, which is housed at the Riken scientific institute in Saitama, near Tokyo, will be used primarily for physics and chemistry research, representatives from Quantinuum, the makers of Reimei, and Riken said in... Quantum computers could one day overtake classical computers, with the potential to complete calculations in minutes or seconds that would otherwise take today’s most powerful machines millions of years. However, until quantum computers are large and reliable enough, scientists say that integrating their capabilities into supercomputers can be a stopgap.”

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