University of Tokyo Team Develops Ultra-Fast Low-Power Switching Technology
thequantuminsider.com May 19, 2026

University of Tokyo Team Develops Ultra-Fast Low-Power Switching Technology

AI-summarised brief · reviewed before publication

Researchers from The University of Tokyo and RIKEN have developed an ultra-fast low-power switching technology using the antiferromagnetic material Mn₃Sn. The technology operates with 40-picosecond electrical pulses, reducing heat generation and improving durability compared to conventional approaches. The study also demonstrated switching using a 60-picosecond photocurrent pulse, highlighting potential links between optical signals and non-volatile spintronic memory systems. This breakthrough could enable faster and more efficient processing speeds in CPUs and GPUs.

💡 Why It Matters

  • · Faster processing speeds often come at the cost of increased energy consumption.
  • · This technology's ability to achieve picosecond switching with reduced heat generation and improved durability could be a game-changer for the development of more efficient computing systems.