Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
ED, MWPTHz |
2024-12-19 14:00 |
Miyagi |
RIEC, Tohoku Univ. (Miyagi, Online) (Primary: On-site, Secondary: Online) |
[Invited Talk]
Active Controlling the Instability and PT Symmetry of Graphene Dirac Plasmons and their Applications to Terahertz Laser Transistors Taiichi Otsuji (Tohoku Univ.) ED2024-54 MWPTHz2024-66 |
In this report, the author reviews recent progress in the study of graphene-based two-dimensional plasmonic terahertz la... [more] |
ED2024-54 MWPTHz2024-66 pp.1-6 |
ED, MWPTHz |
2023-12-21 17:10 |
Miyagi |
RIEC, Tohoku Univ. (Miyagi, Online) (Primary: On-site, Secondary: Online) |
Introduction of a Guided Guided-ModeMode-Resonance Structure in the Uni Uni-TravelingTraveling- Carrier Photodiode for Enhancement of Photoabsorption Efficiency Ryota Kojima, Taiichi Otsuji, Akira Satou (Tohoku Univ.) ED2023-57 MWPTHz2023-67 |
[more] |
ED2023-57 MWPTHz2023-67 pp.20-24 |
ED, MWPTHz |
2023-12-22 11:05 |
Miyagi |
RIEC, Tohoku Univ. (Miyagi, Online) (Primary: On-site, Secondary: Online) |
High sensitivity THz Detection based on a Rectenna Graphene FET implemented with 3D Rectification Effect Hironobu Seki, Sinnosuke Uchigasaki, Koichi Tamura, Chao Tang, Akira Satou, Hirokazu Hukidome (RIEC, Tohoku Univ.), Tetsuya Suemitsu (NICHe), Takashi Uchino (Tohoku Institute of Technology), Yuma Takida, Hiroaki Minamide (RIKEN), Taiichi Otsuji (RIEC, Tohoku Univ.) ED2023-64 MWPTHz2023-74 |
In order to realize a super-smart society, next-generation high-speed, high-capacity wireless communication technologies... [more] |
ED2023-64 MWPTHz2023-74 pp.52-57 |
ED, MWPTHz |
2022-12-19 17:10 |
Miyagi |
(Miyagi) |
ED2022-78 MWPTHz2022-49 |
We experimentally investigate the effect of high-intensity subcarrier signal input to the UTC-PD-integrated HEMT working... [more] |
ED2022-78 MWPTHz2022-49 pp.34-37 |
ED, THz |
2021-12-20 13:00 |
Miyagi |
(Miyagi, Online) (Primary: On-site, Secondary: Online) |
[Invited Talk]
Recent Progress in Carrier Down-Conversion Devices Between Optical Communication and Beyond 5G Wireless Communication Akira Satou, Dai Nakajima, Kazuki Nishimura, Tomotaka Hosotani, Katsumi Iwatsuki, Tetsuya Suemitsu, Keisuke Kasai, Masato Yoshida, Taiichi Otsuji (Tohoku Univ.) ED2021-48 |
echnologies that seamlessly converges optical networks and wireless networks with small delay and low power consumption ... [more] |
ED2021-48 pp.1-5 |
ED, THz [detail] |
2019-12-23 14:55 |
Miyagi |
(Miyagi) |
Observation of Broadband THz Emission from Near-IR Laser-Pumped Multilayer Graphene Takahiro Komiyama, Takayuki Watanabe (Tohoku Univ.), Sergey Morozov, Mikhail Fadeev, Vladimir Utochkin (IPM-RAS), Hirokazu Fukidome, Akira Satou, Taiichi Otsuji (Tohoku Univ.) ED2019-80 |
We experimentally observe THz emission from non-Bernal-stacked multilayer graphene thermally decomposed on a C-face SiC ... [more] |
ED2019-80 pp.17-20 |
ED, THz [detail] |
2019-12-24 10:05 |
Miyagi |
(Miyagi) |
Preliminary Study of Photocurrent Output from the Gate Electrode of a Grating-Gate Plasmonic THz Detector Taku Saito, Masaya Suzuki, Tomotaka Hosotani, Taiichi Otsuji (Tohoku Univ.), Yuma Takida, Hiromasa Ito, Hiroaki Minamide (RIKEN.), Akira Satou (Tohoku Univ.) ED2019-88 |
We have developed grating-gate plasmonic THz detectors, which are promising as room-temperature-operating, sensitive, hi... [more] |
ED2019-88 pp.49-52 |
ED, THz |
2018-12-17 16:35 |
Miyagi |
RIEC, Tohoku Univ. (Miyagi) |
Direct determination of the interlayer van der Waals bonding force in graphene by thermal decomposition of SiC Tadao Tanabe, Tang Chao, Yoshiki Fuse, Kenta Sugawara, Takahiro Komiyama, Yohei Sato, Hirokazu Fukidome, Taiichi Otsuji, Yutaka Oyama (Tohoku Univ.) ED2018-59 |
Two-dimensional (2D) layered materials have attracted much interest because of their unique crystallographic structure a... [more] |
ED2018-59 pp.25-26 |
ED, THz |
2017-12-19 15:10 |
Miyagi |
RIEC, Tohoku Univ (Miyagi) |
Temperature Dependence of the Transconductance of a Dual Gate Graphene Field Effect Transistor Kenta Sugawara, Takayuki Watanabe, Deepika Yadav, Takahiro Komiyama, Yoshiki Fuse (Tohoku Univ.), Maxim Ryzhii (Aizu Univ.), Victor Ryzhii, Hirokazu Fukidome, Maki Suemitsu, Taiichi Otsuji (Tohoku Univ.) ED2017-91 |
We report on experimental observation of temperature characteristics of a dual gate graphene field effect transisor (DG-... [more] |
ED2017-91 pp.73-76 |
ED |
2016-12-19 16:05 |
Miyagi |
RIEC, Tohoku Univ (Miyagi) |
Design and fabrication of terahertz detectors based on 180 nm CMOS process technology Kosuke Wakita, Masayuki Ikebe (Hokkaido Univ.), Stevanus Arnold, Taiichi Otsuji (Tohoku Univ.), Yuma Takida, Hiroaki Minamide (RIKEN), Eiichi Sano (Hokkaido Univ.) ED2016-83 |
Use of terahertz waves for imaging is gaining increased interest. A CMOS cascode amplifier biased near the threshold vol... [more] |
ED2016-83 pp.17-22 |
ED |
2016-12-19 16:30 |
Miyagi |
RIEC, Tohoku Univ (Miyagi) |
Improvement of light receiving efficiency of Asymmetric-Dual-Grating-Gate High-Electron-Mobility-Transistor by series array and lens integration Tomotaka Hosotani, Fuzuki Kasuya, Hiroki Taniguchi, Takayuki Watanabe, Tetsuya Suemitsu, Taiichi Otsuji (Tohoku Univ.), Yuma Takida, Hiromasa Ito, Hiroaki Minamide (RIKEN), Tadao Ishibashi (NTT Electronics Techno), Makoto Shimizu (NEL), Akira Satou (Tohoku Univ.) ED2016-84 |
Asymmetric-dual-grating-gate high-electron-mobility-transistors (ADGG-HEMTs) are expected for room-temperature operating... [more] |
ED2016-84 pp.23-28 |
ED |
2016-12-20 09:50 |
Miyagi |
RIEC, Tohoku Univ (Miyagi) |
Terahertz response of nanocarbon materials Takuya Miyajima (Hokkaido Univ.), Hisashi Sugime (Waseda Univ.), Kenta Sugawara, Takayuki Watanabe, Taiichi Otsuji (Tohoku Univ.), Eiichi Sano (Hokkaido Univ.) ED2016-89 |
Research on new materials and structures is important to devise novel terahertz (THz) semiconductor devices. We focus on... [more] |
ED2016-89 pp.49-54 |
CS, OCS (Joint) |
2016-01-22 09:50 |
Kagoshima |
Kagoshima University, Korimoto Campus, Inamori Auditorium (Kagoshima) |
Sub-THz Photonic Frequency Conversion Using Graphene and InP-Based Transistors for Future Fully Coherent Access Network Kenta Sugawara, Gen Tamamushi, Adrian Dobroiu, Tomohiro Yoshida, Tetsuya Suemitsu, Hirokazu Fukidome, Maki Suemitsu, Ryzhii Victor, Katsumi Iwatsuki (Tohoku Univ.), Shigeru Kuwano, Jun-ichi Kani, Jun Terada (NTT), Taiichi Otsuji (Tohoku Univ.) OCS2015-95 |
The feasibility of graphene-channel field effect transistors (G-FETs) and InP based high electron mobility transistors (... [more] |
OCS2015-95 pp.41-46 |
ED |
2015-12-21 15:00 |
Miyagi |
RIEC, Tohoku Univ (Miyagi) |
Extraction of intrinsic parameters in graphene-channel FET Gen Tamamushi, Kenta Sugawara, Akira Sato, Keiichiro Tashima, Hirokazu Fukidome, Maki Suemitsu, Taiichi Otsuji (Tohoku Univ.) ED2015-95 |
We fabricate and characterize the graphene-channel FETs (G-FETs) made of high-quality epitaxial graphene (EG) grown by t... [more] |
ED2015-95 pp.25-30 |
ED |
2015-12-22 10:05 |
Miyagi |
RIEC, Tohoku Univ (Miyagi) |
Terahertz Emission and Detection from Double Graphene Layer Heterostructures Deepika Yadav, Stephane Boubanga Tombet, Stevanus Arnold, Takayuki Watanabe (RIEC Tohoku Univ.), Victor Ryzhii (Inst. of Ultra High Freq. Semicond. Elect. Russia), Taiichi Otsuji (RIEC Tohoku Univ.) ED2015-103 |
We report on experimental observation of terahertz emission and detection in a double graphene layer hetero structure wh... [more] |
ED2015-103 pp.71-76 |
ED |
2015-12-22 10:45 |
Miyagi |
RIEC, Tohoku Univ (Miyagi) |
Terahertz response of carbon nanotube forest under optical illumination Takuya Miyajima, Taro Itatsu (Hokkaido Univ.), Hisashi Sugime (Cambridge Univ.), Stevanus Arnold, Taiichi Otsuji (Tohoku Univ.), Eiichi Sano (Hokkaido Univ.) ED2015-104 |
[more] |
ED2015-104 pp.77-82 |
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