Inst. of Advanced Sciences, Yokohama National Univ.



Email: nyoshi(at)
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Nobuyuki Yoshikawa (M’06) received the B.E., M.E., and Ph.D. degrees from Yokohama National University, Yokohama, Japan, in 1984, 1986, and 1989, respectively, all in electrical and computer engineering.

Since 1989, he has been with the Department of Electrical and Computer Engineering, Yokohama National University, where he is currently a Professor. His research interests include superconductive devices and their application in digital and analog circuits. He is also interested in single-electron-tunneling devices, quantum computing devices, and cryo-CMOS devices.

Dr. Yoshikawa is a member of the Institute of Electronics, Information and Communication Engineers of Japan; The Japan Society of Applied Physics; and The Institute of Electrical Engineering of Japan.

Thomas Ortlepp received the Dipl.-Math. (M.Sc.) degree in mathematics from the Ilmenau University of Technology, Ilmenau, Germany, in 1999 and the Dr.-Ing. (Ph.D.) degree in electrical engineering from the Department of Electrical Engineering and Computer Science, Ilmenau University of Technology, in 2004.

From 2004 to 2010, he was a Lecturer for electromagnetics, relativistic electrodynamics, and superconductive electronics with the Ilmenau University of Technology. His main research interests are mixed-signal circuits and quantum sensors with main focus on circuit design, stability and noise-induced errors, and system test as well as new circuit topologies with improved energy efficiency. In January 2011, he moved to the University of California, Berkeley, CA, USA, to develop hybrid cryogenic ultrahigh-performance cache memories for high-performance computing. Since 2013, he has been the Director of the Business Unit Micro- Electro-Mechanical Systems, CiS Research Institute for Mircosensor Systems and Photovoltaics GmbH, Erfurt, Germany. He also teaches energy-efficient integrated circuit design as an Associate Professor with the Ilmenau University of Technology. He has more than 60 scientific publications.

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