Quantum Device Group aims to advance quantum measurement technologies by developing innovative hybrid quantum devices based on single-electron devices and mechanical quantum oscillators, which can be expanded to various quantum systems.
We develop high-precision single-electron quantum technologies, hybrid quantum systems for connecting different quantum systems, and quantum device fabrication technologies, thereby contributing to the advancement of the national quantum technology industry.

Current R&D Projects

• 1 Development of quantum transduction technology based on nano-optoelectromechanical devices
• 2 Development of hybrid systems based on superconducting quantum devices
• 3 Realization of the quantum metrology triangle and flying qubits based on single-electron quantum devices
• 4 Management of nanofabrication facilities and development of device fabrication process

Recent R&D Highlights

• Development of quantum current standard devices at the level of 50 pA with an uncertainty of 3 × 10^-7
• Development of niobium-based superconducting nano-electromechanical devices
• Development of generating technology for microwave frequency comb based on superconducting nano-electromechanical devices
• Development of single-electron sources based on two-dimensional compound semiconductor
• Establishment of essential equipment for quantum device fabrication and development of nano/quantum device process technology

• Atomic Quantum Sensing Group
• Quantum Mass Metrology Group
• Quantum Electricity and Magnetism Metrology Group
• Quantum Magnetic Sensing Group
• Quantum Information Networking Group