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All Technical Committee Conferences (Searched in: Recent 10 Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| ED, MWPTHz | 2024-12-20 10:40 |
Miyagi | RIEC, Tohoku Univ. (Miyagi, Online) (Primary: On-site, Secondary: Online) |
[Invited Talk]
Double δ-doped Ga0.22In0.78Sb Channel HEMTs with over 450-GHz-fmax Ryuto Machida (NICT), Rikuto Yoshida, Naoyuki Kishimoto, Ryosuke Kouno, Yuuto Isomae, Reo Ebihara, Takuya Hayashi, Tomoki Jinnai, Munemasa Kunisawa (TUS), Issei Watanabe, Yoshimi Yamashita, Shinsuke Hara, Akifumi Kasamatsu (NICT), Akira Endoh, Hiroki Fujishiro (TUS)  ED2024-61 MWPTHz2024-73 |
To further improve the RF characteristics of InSb-based high electron mobility transistors (HEMTs), we fabricated double... [more] | ED2024-61 MWPTHz2024-73 pp.26-29 |
| RCS, AP (Joint) |
2024-11-14 11:25 |
Ishikawa | (Ishikawa, Online) (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Power Delay Profile Characterization for Terahertz Band Communications Hirokazu Sawada, Azril Haniz, Shingo Saito, Inagaki Keizo, Akifumi Kasamatsu, Norihiko Sekine (NICT), Suren Singh, David Van Workum, Kenichi Inoue, Satoru Takahashi (Keysight Technology), Takeshi Matsumura (NICT) AP2024-145 RCS2024-160 |
The use of the terahertz frequency band is being considered as a frequency band for next-generation wireless communicati... [more] | AP2024-145 RCS2024-160 pp.56-61(AP), pp.44-49(RCS) |
| AP, RCS (Joint) |
2023-11-16 10:35 |
Kumamoto | Kumamoto Prefectural Workers' Welfare Hall (Kumamoto, Online) (Primary: On-site, Secondary: Online) |
[Invited Lecture]
A 2D Beam-Steerable 252-285-GHz 25.8-Gbit/s CMOS Receiver Module Takeshi Yoshida (Hiroshima Univ.), Shinsuke Hara, Tatsuo Hagino, Mohamed Mubarak, Akifumi Kasamatsu (NICT), Kyoya Takano (Tokyo Univ. of Science), Yoshiki Sugimoto, Kunio Sakakibara (Nagoya Inst. of Tech.), Shuhei Amakawa, Minoru Fujishima (Hiroshima Univ.) AP2023-142 RCS2023-165 |
Recently, there have been many reports on sub-THz transmitters (TX) and receivers (RX) for high-speed wireless communica... [more] | AP2023-142 RCS2023-165 p.66(AP), p.70(RCS) |
| AP | 2023-05-12 10:25 |
Okinawa | Okinawa Gender Equality Center (Okinawa, Online) (Primary: On-site, Secondary: Online) |
Investigation of terahertz band indoor propagation loss model Hirokazu Sawada, Kazuki Tsushima, Riku Yoshino, Keizo Inagaki, Atsushi Kanno, Katsumi Fujii, Jerdvisanop Chakarothai, Norihiko Sekine, Akifumi Kasamatsu, Hiroyo Ogawa, Takeshi Matsumura (NICT) AP2023-18 |
Sub-terahertz and terahertz waves are being considered for use in next-generation wireless communications to enable seve... [more] | AP2023-18 pp.54-58 |
| AP, MW (Joint) |
2022-09-15 12:25 |
Ehime | The Museum of Art, EHIME (Ehime, Online) (Primary: On-site, Secondary: Online) |
Macromodeling and Verification of Quad-Parallel Bipolar Transistors in the 300 GHz Band Minami Nasu (Tokyo University of science), Shinsuke Hara, Akifumi Kasamatsu (NICT), Yohtaro Umeda, Kyoya Takano (Tokyo University of science) MW2022-77 |
The objective of this study is to create a simple four-parallel bipolar transistor model for the 300 GHz band, and we pr... [more] | MW2022-77 pp.48-51 |
| MWPTHz, EST, MW, EMT, OPE, IEE-EMT [detail] | 2022-07-19 16:35 |
Hokkaido | Asahikawa Civic Culture Hall (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
Transmission of 120GHz-band RF Signal by Contacting Another Dielectric Sheet Akihiko Hirata, Masaki Ushio (CIT), Issei Watanabe, Norihiko Sekine, Akifumi Kasamatsu (NICT) EMT2022-30 MW2022-54 OPE2022-33 EST2022-31 MWPTHz2022-28 |
Currently, sheet LAN, which enables LAN connection simply by placing a terminal on a dielectric sheet that transmits ter... [more] | EMT2022-30 MW2022-54 OPE2022-33 EST2022-31 MWPTHz2022-28 pp.109-112 |
| MW | 2022-03-04 10:30 |
Online | Online (Online) | Electromagnetic-wave-absorber design based on terahertz-band measurement results of dielectrics Sangyeop Lee (TokyoTech), Masao Fujita, Masayuki Toyoda (Maxell Ltd.), Kyoya Takano (TUS), Shinsuke Hara, Issei Watanabe, Akifumi Kasamatsu (NICT), Hiroyuki Ito (TokyoTech) MW2021-132 |
[more] | MW2021-132 pp.117-121 |
| RCS, SR, SRW (Joint) |
2022-03-03 09:55 |
Online | Online (Online) | A Consideration of Indoor Propagation Models in the 232-330 GHz Band Hirokazu Sawada, Takeshi Matsumura, Keizo Inagaki, Atsushi Kanno, Katsumi Fujii, Jerdvisanop Chakarothai, Norihiko Sekine, Akifumi Kasamatsu, Hiroyo Ogawa (NICT) SRW2021-72 |
[more] | SRW2021-72 pp.17-20 |
| ED, THz | 2021-12-21 10:20 |
Miyagi | (Miyagi, Online) (Primary: On-site, Secondary: Online) |
Device Performances and Delay Time Analysis of GaInSb-Channel HEMTs Scaled to Epitaxial Structures Yuuto Isomae, Naoyuki Kishimoto, Takuya Hayashi, Munemasa Kunisawa (TUS), Issei Watanabe, Yoshimi Yamashita, Ryuto Machida, Shinsuke Hara, Akifumi Kasamatsu (NICT), Akira Endoh, Hiroki Fujishiro (TUS) ED2021-57 |
We fabricated three-types of Al0.40In0.60Sb/Ga0.22In0.78Sb-HEMTs using epitaxial heterostructures in which the channel l... [more] | ED2021-57 pp.44-47 |
| AP, SANE, SAT (Joint) |
2021-07-30 14:05 |
Online | Online (Online) | [Invited Lecture]
Propagation study of 300 GHz band front hall wireless link for Beyond 5G AKihiko Hirata (CIT), Katsumi Fujii, Issei Watanabe, Norihiko Sekine, Akifumi Kasamatsu (NICT) AP2021-44 |
Recently, research and development of Beyond 5G mobile network systems has been activated. In Beyond 5G mobile network s... [more] | AP2021-44 pp.115-119 |
| OPE, MW, IEE-EMT, MWP, EST, EMT, THz [detail] | 2021-07-15 16:00 |
Online | Online (Online) | Dependence of Alignment on the transmission control of 120-GHz-band SRR bandstop filter by contacting Lattice Pattern Akihiko Hirata (CIT), Issei Wanatabe, Norihiko Sekine, Akifumi Kasamatsu (NICT) EMT2021-16 MW2021-21 OPE2021-10 EST2021-17 MWP2021-18 |
Terahertz (THz)-band close-proximity wireless link can achieve instantaneous transfer of large amounts of data, however,... [more] | EMT2021-16 MW2021-21 OPE2021-10 EST2021-17 MWP2021-18 pp.50-53 |
| MWP | 2021-05-26 15:10 |
Online | Online (Online) | Complex dielectric constant measurement of glass at 200-500 GHz by THz-TDS and VNA Akihiko Hirata, Koji Suizu (CIT), Issei Watanabe, Norihiko Sekine, Akifumi Kasamatsu (NICT) MWP2021-3 |
(To be available after the conference date) [more] | MWP2021-3 pp.10-13 |
| EMT, MWP, PN, IEE-EMT [detail] | 2021-01-21 15:45 |
Online | Online (Online) | [Invited Talk]
Kerr frequency comb generation in silicon nitride microring resonators and characterization of their mode-spacing frequencies Kentaro Furusawa, Norihiko Sekine, Akifumi Kasamatsu (NICT) PN2020-38 EMT2020-56 MWP2020-39 |
Kerr frequency combs in high-Q microring resonators have attracted a lot of attention due to their capabilities of gener... [more] | PN2020-38 EMT2020-56 MWP2020-39 pp.46-49 |
| AP (2nd) |
2020-12-10 13:20 |
Okinawa | Nobumoto Ohama Memorial Hall (Okinawa, Online) (Primary: On-site, Secondary: Online) |
300 GHz Antennas Pattern Measurement over the entire circumference
-- To Extend the Applicable Frequency Range of Recommendation ITU-R F.699 for 6G -- Keizo Inagaki, Hirokazu Sawada, Katsumi Fujii, Hiroyo Ogawa, Atsushi Kanno, Fumihide Kojima, Shingo Saito, Norihiko Sekine, Akifumi Kasamatsu, Iwao Hosako (NICT) |
[more] | |
| MWP | 2020-10-21 14:20 |
Online | Online (Online) | [Invited Talk]
Rigde-type PPLN device toward high-efficient THz wave generation Junichi Hamazaki, Yoh Ogawa (NICT), Tadashi Kishimoto (OKI), Norihiko Sekine1, Akifumi Kasamatsu, Iwao Hosako (NICT) MWP2020-27 |
[more] | MWP2020-27 pp.7-10 |
| MWP | 2020-05-28 15:55 |
Online | Online (Online) | Transmission control of 120-GHz-band SRR bandstop filter Akihiko Hirata, Koichiro Itakura (CIT), Takashi Tomura, Jiro Hirokawa (TITECH), Issei Watanabe, Norihiko Sekine, Akifumi Kasamatsu (NICT) MWP2020-5 |
[more] | MWP2020-5 pp.23-26 |
| ED, MW | 2020-01-31 16:35 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Tokyo) | [Invited Talk]
Research and development of compound semiconductor electron devices and high-frequency measurement technologies for millimeter- and submillimeter-wave wireless communications Issei Watanabe, Yoshimi Yamashita, Akifumi Kasamatsu (NICT) ED2019-105 MW2019-139 |
Compound semiconductor electron devices such as GaN-based high electron mobility transistors (HEMTs) have been expected ... [more] | ED2019-105 MW2019-139 pp.59-64 |
| OFT | 2020-01-16 16:40 |
Aichi | NINS Okazaki Conference Center (Aichi) | Dispersion measurement of microcavities by using frequency reference signal transfer via optical fibre networks Kentaro Furusawa, Isao Morohashi, Shigeo Nagano, Motohiro Kumagai, Norihiko Sekine, Akifumi Kasamatsu (NICT) OFT2019-49 |
High Q microcavities constitute promising platforms for generating optical Kerr combs in small footprints. To quantify t... [more] | OFT2019-49 pp.15-19 |
| SRW | 2020-01-14 15:40 |
Kanagawa | TBD (Kanagawa) | [Invited Talk]
300-GHz-Band Wireless Communication System with CMOS Integrated Circuits Yohei Morishita, Toshihiro Teraoka, Takenori Sakamoto, Kazuaki Takahashi (Panasonic), Akifumi Kasamatsu (NICT), Minoru Fujishima (Hiroshima University) SRW2019-57 |
Terahertz-bands enables ultra-high-speed transmission of several tens of Gbps or more because of its wide bandwidth, and... [more] | SRW2019-57 pp.29-34 |
| ED, THz [detail] | 2019-12-23 16:45 |
Miyagi | (Miyagi) | GaInSb n-Channel HEMTs Using Strained-Al0.40In0.60Sb/Al0.25In0.75Sb Stepped Buffer Koki Osawa, Takuya Iwaki, Yuki Endoh, Mizuho Hiraoka, Naoyuki Kishimoto, Takuya Hayashi (TUS), Issei Watanabe (NICT/TUS), Yoshimi Yamashita, Shinsuke Hara, Takahiro Gotow, Akifumi Kasamatsu (NICT), Akira Endoh, Hiroki Fujishiro (TUS) ED2019-83 |
We succeeded in fabricating GaInSb n-channel HEMTs for the first time in the world and measured their characteristics. W... [more] | ED2019-83 pp.29-32 |
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