Japan Enters Neutral-Atom Race With Shunkai, Its First Full-Stack Quantum Computer

Japan neutral-atom quantum computer Shunkai went operational August 24 at the Institute for Molecular Science, built by IMS, Hitachi, and Infleqtion -- the only foreign partner in Japan’s Moonshot quantum program. The 50-qubit system targets 10,000 qubits and fault-tolerant quantum computing by