QuantumWire

Researchers from the National Institute of Advanced Industrial Science and Technology (AIST) in Japan, collaborating with Yokohama National University, Tohoku University, and NEC Corporation, have proposed and successfully demonstrated a new method that can control multiple qubits via a single cable using microwave multiplexing technology at low temperature. The researchers said that this circuit has the potential to increase the density of microwave signals per cable by approximately 1,000 times, thereby increasing the number of controllable qubits significantly. The achievement lays the foundation for supporting the development of large-scale superconducting quantum computers.