World's Largest Commercial Quantum Control System Installed

Infrastructure for Quantum Computers World's Largest Commercial Quantum Control System Installed

2025-08-04 From Hendrik Härter | Translated by AI 2 min Reading Time

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Keysight has installed the world's largest commercial Quantum Control System (QCS) for over 1,000 qubits in Japan. It aims to push the boundaries of what is possible in quantum computing in terms of scalability and performance.

The 1,000-qubit quantum control system solution from Keysight, installed at the National Institute of Advanced Industrial Science and Technology (AIST) in Tsukuba, Japan.(Image: Keysight Technologies) — The 1,000-qubit quantum control system solution from Keysight, installed at the National Institute of Advanced Industrial Science and Technology (AIST) in Tsukuba, Japan.
(Image: Keysight Technologies)

In the age of quantum computing, electronics developers play a key role. They must translate complex quantum requirements into practical applications. The importance of implementing control systems in quantum informatics has been demonstrated. Now, Keysight Technologies has delivered the world's largest commercial Quantum Control System (QCS) to the National Institute of Advanced Industrial Science and Technology (AIST) in Japan.

The system has been integrated into the Global Research and Development Center for Business by Quantum-AI Technology (G-QuAT). This control system is now part of the new evaluation testbed at G-QuAT, which will push the boundaries of what is possible in quantum computing in terms of both scalability and performance.

Translate Classical Code into Photons and Qubits

Control system for quantum computers: Keysight has installed a system that supports over 1,000 qubits.(Image: Keysight Technologies) — Control system for quantum computers: Keysight has installed a system that supports over 1,000 qubits.
(Image: Keysight Technologies)

When it comes to developing control systems for quantum computers, developers act as the bridge between classical electronics and quantum mechanics. Keysight's newly introduced quantum control system, which supports over 1,000 qubits, impressively demonstrates how electronic design and advanced control technology work together. This paves the way for the next generation of quantum computers. Developers must now focus intensively on aspects such as noise reduction, timing alignment, and phase coherence to ensure that these systems deliver their maximum performance.

Because all quantum computers require a control system to translate the classical world of codes and cables into the quantum world of photons and qubits. As the size, complexity, and performance of quantum computers increase, the demands on the control system also become increasingly challenging. Any gap in the performance of the control system can impact the efficiency of the quantum computer. Therefore, it was important for AIST to choose the right partner for this critical component.

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The solution installed by Keysight supports AIST's G-QuAT Center in pushing the boundaries of what is currently possible in quantum computing. Electronics developers must therefore not only possess a deep understanding of quantum physics but also further develop and refine their skills in creating robust, scalable control systems to realize the ambitions of quantum technology.

Dr. Masahiro Horibe from AIST emphasizes that the 1,000-qubit control system not only meets the technical requirements but was also innovatively implemented through Keysight's exceptional development capabilities. This confirms the integral role of sophisticated engineering and technical finesse in advancing quantum technology.

Dr. Eric Holland from Keysight emphasizes the importance of control systems as an interactive link between the classical and quantum worlds. These systems ensure that electronics developers have the necessary tools to achieve the significant milestone of a 1,000-qubit quantum computer and ultimately realize economically relevant quantum advantages. (heh)

With the Majorana-1 quantum processor, Microsoft announced its first quantum processor in mid-February 2025 with great media attention, which relies on a completely novel architecture—and even materials. But Google and Amazon also reported milestones in the field of quantum computing at the turn of the year 2024/25. The race for the "best" quantum computing architecture is already in full swing. (Image:Microsoft)

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Date: 08.12.2025

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