Japan Operationalizes First Full-Stack Neutral-Atom Quantum Computer “Shunkai”
Mohamed Abdel-Kareem2026-08-24T08:31:52-07:00The Institute for Molecular Science (IMS), part of Japan's National Institutes of Natural Sciences (NINS), has announced that Japan’s first full-stack neutral-atom quantum computer, named "Shunkai" (春海), is now operational. Led by Project Manager Professor Kenji Ohmori under Goal 6 of the Japanese Cabinet Office / JST Moonshot Research and Development Program, the platform was built through a industry-academia consortium partnering with Hitachi, Ltd. for the software stack and Infleqtion, Inc. for the Quantum Processing Unit (QPU) hardware stack. [ IMS Neutral-Atom System Architecture: "Shunkai" ]Hardware Stack (QPU)Software & Control StackScale & Roadmap Targets• Neutral Rubidium Atoms• Hitachi Software Stack• Phase [...]