Brief History 1994.4-2003.3: Department of Physics, Tohoku University 2003: Ph.D (Science), Tohoku University 2003.4-present: NTT Basic Research Laboratories 2010.4-: Distinguished Researcher of NTT Basic Research Laboratories 2013.8-2014.8: Visiting researcher at Nanoelectronics group, CEA Saclay 2021.4-present: Group leader of Quantum Solid State Physics Research Group