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Ultrafast Quantum Motion Detected in a Nanoscale Trap Will Be Useful in Control of Quantum Sensing & Quantum Information

By IQT News posted 08 Nov 2019

(EurekaAlert) The Korea Advanced Institute of Technology (KAIST) researchers have reported the detection of a picosecond electron motion in a silicon transistor. The detection was made in collaboration with Nippon Telegraph and Telephone Corp. (NTT) in Japan and National Physical Laboratory (NPL) in the UK and is the first report to the best of our knowledge.
A KAIST team led by Professor Heung-Sun Sim developed a theory of ultrafast electron dynamics in a nanoscale trap, and proposed a scheme for detecting the dynamics, which utilizes a quantum-mechanical resonant state formed beside the trap.
Professor Sim said, “This work suggests a scheme of detecting picosecond electron motions in submicron scales by utilizing quantum resonance. It will be useful in dynamical control of quantum mechanical electron waves for various purposes in nano-electronics, quantum sensing, and quantum information”.

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