Scientists Successfully Teleport Quantum States Between Distant Photons for First Time, Achieving 70% Success Rate
Summary
Scientists at the University of Stuttgart achieve groundbreaking quantum teleportation between distant photons with 70% success rate, using revolutionary frequency converters and semiconductor light sources to overcome indistinguishability challenges, marking a pivotal advancement toward building tamper-proof quantum internet networks.
Key Points
- Scientists at the University of Stuttgart successfully teleport quantum states between photons from two distant quantum dot sources for the first time, achieving a 70% success rate over a 10-meter optical fiber connection
- Researchers develop quantum frequency converters and nearly identical semiconductor light sources to overcome the challenge of making photons from different locations indistinguishable for quantum teleportation
- This breakthrough represents a crucial step toward building practical quantum repeaters for a tamper-proof quantum internet, with teams now working to extend distances beyond the current 36-kilometer transmission capability