Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Tetsuya Kawasaki"'
Publikováno v:
Journal of the Japan Veterinary Medical Association. 70:523-528
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::86d3ceaba9cf16bc5426710ae07b530f
https://doi.org/10.12935/jvma.70.523
https://doi.org/10.12935/jvma.70.523
Publikováno v:
IGARSS
NEXTAR" has been developed as a flexible standard satellite platform, which meets diverse mission requirements such as a science satellite and an earth observation satellite. Regarding a satellite bus for ASNARO series, "NEXTAR" allows us to develop
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::20bdcacba04099ca15d2102e6369576c
https://doi.org/10.1109/igarss.2019.8899038
https://doi.org/10.1109/igarss.2019.8899038
Autor:
Tetsuya Suemitsu, Shigeru Kuwano, Jun-ichi Kani, Hussin Mastura, Tomohiro Yoshida, Adrian Dobroiu, Kenta Sugawara, Jun Terada, Victor Ryzhii, Tetsuya Kawasaki, Taiichi Otsuji, Hirokazu Fukidome, Katsumi Iwatsuki, Maki Suemitsu, Gen Tamamushi
Publikováno v:
Journal of Lightwave Technology. 34:2011-2019
InP-based high electron mobility transistors (InP-HEMTs) and graphene-channel FETs (G-FETs) are experimentally examined as photonic frequency converters for future broadband optical and wireless communication systems. Optoelectronic properties and th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d7629733b42cf97357f5741e4c2f2e6a
https://doi.org/10.1109/jlt.2015.2505146
https://doi.org/10.1109/jlt.2015.2505146
Autor:
Tetsuya Suemitsu, Jun-ichi Kani, Yuhei Yabe, Hiroki Ago, Adrian Dobroiu, Naoto Yoshimoto, Jun Terada, Taiichi Otsuji, Kenji Kawahara, Takanori Eto, Hiroki Sugiyama, Youichi Fukada, Kenta Sugawara, Victor Ryzhii, Katsumi Iwatsuki, Kazuki Kojima, Takayuki Watanabe, Y. Kurita, Tetsuya Kawasaki
Publikováno v:
Solid-State Electronics. 103:216-221
We report on photonic frequency double-mixing conversion utilizing a graphene-channel FET (G-FET). Optoelectronic properties of graphene are exploited to perform single-chip photonic double-mixing functionality, which is greatly advantageous in futur
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::159bcc4d68265b49d64e516622f334d4
https://doi.org/10.1016/j.sse.2014.07.009
https://doi.org/10.1016/j.sse.2014.07.009
Autor:
Naohito Nishii, Norie Kuwahara, Hitoshi Kitagawa, Yasuhito Kuwahara, Tetsuya Kawasaki, Akemi Ishino
Publikováno v:
Journal of the Japan Veterinary Medical Association. 67:333-339
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::71143b9ff09dbcfde9ce03fa70270c1b
https://doi.org/10.12935/jvma.67.333
https://doi.org/10.12935/jvma.67.333
Autor:
Tetsuya Suemitsu, Tetsuya Kawasaki, Shigeru Kuwano, Hirokazu Fukidome, Jun-ichi Kani, Mastura Binti Hussin, Kenta Sugawara, Ryzhii Victor, Katsumi Iwatsuki, Adrian Dobroiu, Jun Terada, Tomohiro Yoshida, Taiichi Otsuji, Maki Suemitsu, Gen Tamamushi
Publikováno v:
2015 European Conference on Optical Communication (ECOC).
Graphene and InP-based field effect transistors are experimentally examined as photonic frequency converters for future fully coherent access network systems. Single FET can photomix the optical subcarriers to generate LO and mix down the RF data on
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7a3feabcbee0ae92aeaf26c74d3f6d4f
https://doi.org/10.1109/ecoc.2015.7341625
https://doi.org/10.1109/ecoc.2015.7341625
Autor:
Tetsuya Suemitsu, Hiroaki Minamide, Denis V. Fateev, Akira Satou, Wojciech Knap, F. Kasuya, Dominique Coquillat, Yahya Moubarak Meziani, Tetsuya Kawasaki, Yuma Takida, Stephane Boubanga Tombet, Taiichi Otsuji, Shinya Hatakeyama, Guillaume Ducournau, Hiromasa Ito, Vyacheslav V. Popov
Publikováno v:
International Conference on Infrared Millimeter and Terahertz Waves
40th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2015
40th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2015, Aug 2015, Hong Kong, China. paper WS-45, 2 p., ⟨10.1109/IRMMW-THz.2015.7327926⟩
40th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2015
40th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2015, Aug 2015, Hong Kong, China. paper WS-45, 2 p., ⟨10.1109/IRMMW-THz.2015.7327926⟩
International audience; We report on the intrinsic responsivity of an asymmetric dual-grating-gate plasmonic detector over 100 kV/W at 200 GHz and 50 kV/W at 300 GHz measured at room temperature with zero source-drain bias. We demonstrate that broadb
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b78b6c84ef2a01ce0243a2a12c0c8342
https://doi.org/10.1109/irmmw-thz.2015.7327926
https://doi.org/10.1109/irmmw-thz.2015.7327926
Autor:
Maki Suemitsu, Tetsuya Suemitsu, Mastura Binti Hussin, Kenta Sugawara, Victor Ryzhii, Tetsuya Kawasaki, Gen Tamamushi, Hirokazu Fukidome, Shigeru Kuwano, Jun-ichi Kani, Katsumi Iwatsuki, Jun Terada, Taiichi Otsuji
Publikováno v:
2015 Opto-Electronics and Communications Conference (OECC).
We report on the possibilities of graphene channel FET (G-FET) as a photonic frequency double-mixing conversion device for future fully coherent access network systems. A 112.5-GHz RF signal whose amplitude was coded with a 5-GHz rectangular signal w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bedd4f4c72a29643d29d8846256cdf19
https://doi.org/10.1109/oecc.2015.7340108
https://doi.org/10.1109/oecc.2015.7340108
Autor:
Tetsuya Suemitsu, Katsumi Iwatsuki, Shigeru Kuwano, Jun-ichi Kani, Adrian Dobroiu, Jun Terada, Victor Ryzhii, Taiichi Otsuji, Takashi Watanabe, Kenta Sugawara, Hiroyuki Wako, Tetsuya Kawasaki
Publikováno v:
2015 IEEE MTT-S International Microwave Symposium.
We report on photonic frequency double-mixing conversion utilizing an InGaAs channel HEMT. A 1-GHz modulation signal on a 112.5-GHz carrier is electrically input to the gate, whereas a 1.58-µm dual wavelength CW laser beam having a frequency differe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7bf15b6d558b66eb20e10fb6da40e0bc
https://doi.org/10.1109/mwsym.2015.7166896
https://doi.org/10.1109/mwsym.2015.7166896
Autor:
Stephane Boubanga Tombet, Vladimir Mitin, Alexander A. Dubinov, Taiichi Otsuji, Takayuki Watanabe, Akira Satou, Victor Ryzhii, Vladimir Ya. Aleshkin, Tetsuya Kawasaki, Tetsuya Fukushima, Yuhei Yabe
Publikováno v:
Scopus-Elsevier
Giant gain enhancement effect of surface plasmon polaritons (SPPs) on terahertz (THz) stimulated emission in optically pumped monolayer graphene has been experimentally studied. We observed the spatial distribution of the THz probe pulse intensities
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f2cce43ea94ff52118a033b5c8ab87b6
https://doi.org/10.1364/cleo_si.2014.sf2f.4
https://doi.org/10.1364/cleo_si.2014.sf2f.4