Please note that JavaScript and style sheet are used in this website,
Due to unadaptability of the style sheet with the browser used in your computer, pages may not look as original.
Even in such a case, however, the contents can be used safely.
- NEC's R&D
- R & D Domains
- Global R & D
- Press Release
- Innovative Engine
- Speech Recognition
- Quality degradation analysis for large-scale networks
- Bioplastics for Electronic Equipment
- Quantum Computer
- What quantum computers can do for us
- What does "quantum" mean?
- Basic principles of quantum computers and differences with existing computers
- Beginnings of quantum computer research
- Qubit solid-state device: 1-bit operation
- Quantum computer operation mechanism
- Qubit solid-state device: Demonstration of a C-NOT circuit
- Demonstration of Coupling-controlled Qubits and Future Outlook
- About Dr. Tsai & Mr. Nakamura
- Carbon Nanotube
- Awards
- Access
Quantum Computer
Biography
Name
Yasunobu Nakamura
Professor
Department of Applied Physics, School of Engineering, The University of Tokyo, Tokyo, Japan, Microscopic Quantum Coherence Lab, Riken
Education
- 1986-1990
- Department of Applied Physics, Faculty of Engineering, University of Tokyo, Tokyo, Japan
- Bacherlor Degree of Science (March, 1990)
- Research advisor: Prof. S. Uchida
- 1990-1992
- Superconductivity Research Course, University of Tokyo, Tokyo, Japan
- Master Degree of Science (March, 1992)
- Research advisor: Prof. S. Uchida
- 2011
- Department of Applied Physics, The University of Tokyo, Tokyo, Japan
- Ph.D. (October 2011)
Professional Record
- Apr.1992-May.2001
- Joined NEC
- Researcher at Fundamental Research Laboratories
- Jun.2001-Mar.2005
- Principal Researcher at Fundamental and Environmental Research Laboratories
- Apr.2005-Mar.2007
- Research Fellow at Fundamental and Environmental Research Laboratories
- Apr.2007-Mar.2010
- Research Fellow at Nano Electronics Research Laboratories
- Apr.2010-Present
- Research Fellow at Green Innovation Research Laboratories
- Sep.2001-Aug.2002
- Visiting Researcher at Department of Applied Physics, Delft University of Technology, The Netherlands
- Sep.2002-Present
- Researcher at Macroscopic Quantum Coherence Lab, Riken
Awards
- 1999
- Nishina Memorial Award
- Subject: Observation and control of coherent two-level system in a superconductiong device.
- 1999
- Sir Martin Wood Prize
- Subject: Quantum coherence in a single-Cooper-pair box
- 2004
- Agilent Technologies Europhysics Prize
- Subject:Demonstration of quantum bits usingsuperconducting circuits
- 2008
- Simon Memorial Prize
Research Fields
ultrasmall tunnel-junction device, single-electron transistor, quantum coherent device
Societies
The Physical Society of Japan, The Japan Society for Applied Physics, American Physical Society
Major Papers
- A. O. Niskanen et al. ,"Quantum Coherent Tunable Coupling of Superconducting Qubits", Science 316, 723 (2007).
- I. Chiorescu et al., "Coherent dynamics of a flux qubit coupled to a harmonic oscillator", Nature 431, 159-162 (2004)
- T. Yamamoto et al. ,"Demonstration of conditional gate operation using superconducting charge qubits", Nature 425, 941 (2003).
- I. Chiorescu, Y. Nakamura, C. J. P. M. Harmans and J. E. Mooij, "Coherent Quantum Dynamics of a Superconducting Flux-qubit", Science 299, 1869 (2003).
- Y. Nakamura, Yu. A. Pashkin, T. Yamamoto, and J. S. Tsai, "Charge echo in a Cooper-pair box",Phys. Rev. Lett. 88, 047901 (2002).
- Y. Nakamura et al., "Coherent control of macroscopic quantum state in a Cooper-pair box",Nature 398, 786-788 (1999)
- Y. Nakamura et al., "Spectroscopy of energy-level splitting between macroscopic charge states in a superconducting single-electron transistor",Phys. Rev. Lett. 78, 2328-2331 (1997)
