World’s first hybrid quantum supercomputer Reimei activated in JapanReimei uses trapped-ion qubits, allowing for greater qubit connectivity and longer coherence times, a key feature distinguishing it from superconducting qubits. Updated: Feb 12, 2025 11:25 AM ESTThe 20-qubit quantum computer has been integrated into the world's sixth-fastest supercomputer, Fugaku.Riken Engineers in Japan have activated Reimei, the world’s first hybrid quantum supercomputer. The 20-qubit quantum machine has been ...