| I have been engaged in research work on waveguide nonlinear optic devices since 1988. In this talk, I would like to review the theoretical and experimental work of my group in Osaka University in this research area.
I will briefly talk about the two elementary device technologies, i.e., fabrication of various types of optical waveguides in ferroelectric nonlinear optic crystals, and fabrication of periodically domain-inverted structures for quasi-phase matching (QPM). I will review the work on waveguide QPM wavelength conversion devices for short-wavelength coherent light generation and for WDM optical network, and also QPM devices for ultra-fast signal processing.
Then I will review our recent work with emphasis on implementations of integrated nonlinear quantum-photonic devices for future applications in quantum information technologies. They include waveguide QPM devices for photon wavelength conversion, generation of heralded single photon, generation of correlated twin photons, and generation of quantum-entangled twin photons.
My talk will also include development of electrooptic light modulators using domain inverted structures and preliminary work on nanowaveguides using ion-sliced crystal thin films.
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| Toshiaki Suhara was born in Wakayama, Japan, in 1950. He received the B.S., M.S., and Ph.D. degrees in electronic engineering from Osaka University, Osaka, Japan, in 1973, 1975, and 1978, respectively.
He joined Department of Electronics, Faculty of Engineering, Osaka University in 1978 as an assistant professor, and has been a full Professor in Department of Electrical, Electronic and Information Engineering, Graduate School of Engineering, Osaka University, since 2002.
He stayed in 1980 in the Technical Research Center of Finland, Helsinki, Finland, as a Guest Research Scientist, and from 1986 to 1987 in Glasgow University, Glasgow, U.K., as a Guest Research Fellow. He also stayed in Chalmers University of Technology, Gothenburg Sweden, in 1997, as a Guest Professor.
From 2010 to 2014, he concurrently served as Director of Research Center for Ultra-High Voltage Electron Microscopy, Osaka University.
His research interests include integrated optics, nonlinear optics, quantum optics, integrated semiconductor lasers, holography, optical memories, and applications of electron beams. He is the author of textbooks Optical Integrated Circuits, Semiconductor Laser Fundamentals, Waveguide Nonlinear-Optic Devices, Quantum Electronics, and Optical-Wave Engineering.
Prof. Suhara is a member of IEEE, a member of the Institute of Electronics, Information and Communication Engineers (IEICE) of Japan, and a Fellow of the Japan Society of Applied Physics.
He received the Paper Award in 1977, 1986, 1994, 2001 and 2014, and the Young Engineer Award in 1980 from IEICE, and the Paper Award in 1990 from the Laser Society of Japan. He received the APEX/JJAP editorial contribution award in 2009 and 2013 from the Japan Society of Applied Physics. In 1995, he was awarded the IBM Japan Science Prize.
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