Keishi Ohashi

上級研究員(研究院教授)

  • 1676 Citations
  • 20 h-Index
1979 …2017

Research output per year

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Research Output

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Conference contribution
2016

Industrialization trial of a biosensor technology

Ohashi, K. & Osaka, T., 2016 Jan 1, Contemporary Issues and Case Studies in Electrochemical Innovation 2. 39 ed. Electrochemical Society Inc., Vol. 75. p. 1-9 9 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)
2014

Tag-antenna-based presence sensing using near-field traveling-wave reader antenna

Hattori, W., Ohashi, K. & Fukuda, H., 2014 Feb 3, 2014 International Conference on the Internet of Things, IOT 2014. Institute of Electrical and Electronics Engineers Inc., p. 103-107 5 p. 7030123

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)
2011

A plastic bolometer array using carbon nanotubes for low-cost infrared imaging devices

Narita, K., Sekino, S., Kuribayashi, R., Altintas, E., Someya, H., Ohashi, K., Kamijo, K., Tsuda, K., Tabuchi, T., Imazato, M. & Komatsubara, S., 2011 Dec 1, IRMMW-THz 2011 - 36th International Conference on Infrared, Millimeter, and Terahertz Waves. 6105083. (IRMMW-THz 2011 - 36th International Conference on Infrared, Millimeter, and Terahertz Waves).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Silicon photonics devices for optical interconnection

Nakamura, T., Fujikata, J., Ishizaka, M. & Ohashi, K., 2011, Optics InfoBase Conference Papers.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2008

Mn-doping effect on optical absorption of Pb(Zr,Ti)O3 films prepared by aerosol deposition

Tsuda, H., Nakada, M., Akedo, J. & Ohashi, K., 2008 Dec 1, 4th IMAPS/ACerS International Conference and Exhibition on Ceramic Interconnect and Ceramic Microsystems Technologies 2008, CICMT 2008. p. 475-477 3 p. (4th IMAPS/ACerS International Conference and Exhibition on Ceramic Interconnect and Ceramic Microsystems Technologies 2008, CICMT 2008).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Photodetector using surface-plasmon antenna for optical interconnect

Ohashi, K. & Fujikata, J., 2008 Dec 1, Applications of Group IV Semiconductor Nanostructures. p. 21-32 12 p. (Materials Research Society Symposium Proceedings; vol. 1145).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Waveguide-integrated Si nano-photodiode with surface-plasmon antenna and its application to on-chip optical clock signal distribution

Fujikata, J., Nose, K., Ushida, J., Nishi, K., Kinoshita, M., Shimizu, T., Ueno, T., Okamoto, D., Gomyo, A., Mizuno, M., Tsuchizawa, T., Watanabe, T., Yamada, K., Itabashi, S. & Ohashi, K., 2008 Nov 21, 2008 5th International Conference on Group IV Photonics, GFP. p. 176-178 3 p. 4638136. (2008 5th International Conference on Group IV Photonics, GFP).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)
2007

Development of nano-photodiodes with a surface plasmon antenna

Nishi, K., Fujikata, J., Ishi, T., Okamoto, D. & Ohashi, K., 2007 Dec 1, LEOS 2007 - IEEE Lasers and Electro-Optics Society Annual Meeting Conference Proceedings. p. 574-575 2 p. 4382536. (Conference Proceedings - Lasers and Electro-Optics Society Annual Meeting-LEOS).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Dielectric characteristics of PZT films prepared by aerosol deposition in millimeter wave range

Nakada, M., Ohashi, K., Tsuda, H., Kawate, E. & Akedo, J., 2007 Dec 1, 2007 16th IEEE International Symposium on the Applications of Ferroelectrics, ISAF. p. 528-530 3 p. 4393319. (IEEE International Symposium on Applications of Ferroelectrics).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Optical characteristics of a PZT waveguide fabricated using aerosol deposition for optical modulators on LSI chips

Shimizu, T., Nakada, M., Tsuda, H., Akedo, J., Nishi, K. & Ohashi, K., 2007 Dec 1, 2007 16th IEEE International Symposium on the Applications of Ferroelectrics, ISAF. p. 831-833 3 p. 4393418. (IEEE International Symposium on Applications of Ferroelectrics).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Optical properties of Pb(Zr,Ti)O3films prepared by aerosol deposition

Tsuda, H., Nakada, M., Akedo, J. & Ohashi, K., 2007 Dec 1, 2007 16th IEEE International Symposium on the Applications of Ferroelectrics, ISAF. p. 829-830 2 p. 4393417. (IEEE International Symposium on Applications of Ferroelectrics).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Si nano-photodiode with a surface-plasmon antenna for sion waveguide-integrated structure

Fujikata, J., Ushida, J., Okamoto, D., Gomyo, A., Nishi, K., Tsuchizawa, T., Watanabe, T., Yamada, K., Itabashi, S. & Ohashi, K., 2007 Dec 1, LEOS 2007 - IEEE Lasers and Electro-Optics Society Annual Meeting Conference Proceedings. p. 929-930 2 p. 4382715. (Conference Proceedings - Lasers and Electro-Optics Society Annual Meeting-LEOS).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

Ultra small fiber-optic electric field probe fabricated by aerosol deposition

Iwanami, M., Nakada, M., Tsuda, H., Ohashi, K. & Akedo, J., 2007 Dec 1, 2007 16th IEEE International Symposium on the Applications of Ferroelectrics, ISAF. p. 834-837 4 p. 4393419. (IEEE International Symposium on Applications of Ferroelectrics).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2006

Aerosol deposition fabrication of transparent electro-optic films for optical modulator

Nakada, M., Ohashi, K., Tsuda, H. & Akedo, J., 2006 Dec 1, IMAPS/ACerS - 2nd International Conference and Exhibition on Ceramic Interconnect and Ceramic Microsystems Technologies, CICMT 2006. p. 482-487 6 p. (IMAPS/ACerS - 2nd International Conference and Exhibition on Ceramic Interconnect and Ceramic Microsystems Technologies, CICMT 2006).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Development and applications of a Si nano-photodiode with a surface plasmon antenna

Ohashi, K., Fujikata, J., Ishi, T., Okamoto, D., Makita, K. & Nishi, K., 2006 Dec 27, Optoelectronic Materials and Devices. 63521U. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 6352 II).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Highly efficient surface-plasmon antenna and its application to Si nano-photodiode

Fujikata, J., Ishi, T., Okamoto, D., Nishi, K. & Ohashi, K., 2006 Jan 1, 19th Annual Meeting of the IEEE Lasers and Electro-Optics Society, LEOS. Institute of Electrical and Electronics Engineers Inc., p. 476-477 2 p. 4054264. (Conference Proceedings - Lasers and Electro-Optics Society Annual Meeting-LEOS).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

Optical interconnect technologies for high-speed VLSI chips using silicon nano-photonics

Ohashi, K., Fujikata, J., Nakada, M., Ishi, T., Nishi, K., Yamada, H., Fukaishi, M., Mizuno, M., Nose, K., Ogura, I., Urino, Y. & Baba, T., 2006 Dec 1, 2006 IEEE International Solid-State Circuits Conference, ISSCC - Digest of Technical Papers. p. 426+417 1696224. (Digest of Technical Papers - IEEE International Solid-State Circuits Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

10 Citations (Scopus)

Surface plasmon resonance in a metallic pillar array on a metallic substrate in the terahertz frequency region

Okamoto, T., Kawata, S., Minamide, H., Ito, H. & Ohashi, K., 2006 Jan 1, Photonic Metamaterials: From Random to Periodic, META 2006. Optical Society of America, (Optics InfoBase Conference Papers).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2005

Time-resolved photoluminescence measurement of exciton and biexciton in an InAs/GaAs single quantum dot

Kono, S., Kirihara, A., Tomita, A., Nakamura, K., Nishi, K., Saito, H., Fujikata, J. & Ohashi, K., 2005 Dec 1, International Quantum Electronics Conference 2005. p. 259-260 2 p. 1560877. (IQEC, International Quantum Electronics Conference Proceedings; vol. 2005).

Research output: Chapter in Book/Report/Conference proceedingConference contribution