Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
MW, ED |
2025-01-23 16:15 |
Tokyo |
fukaya-kouminkan (Tokyo, Online) (Primary: On-site, Secondary: Online) |
[Special Talk]
Sub-THz CMOS-InP Hybrid Phased-Array Transmitter Ibrahim Abdo, Teruo Jyo, Adam Pander, Hitoshi Wakita, Yuta Shiratori, Miwa Muto, Hiroshi Hamada, Munehiko Nagatani (NTT), Carrel da Gomez, Chun Wang, Kota Hatano, Chenxin Liu, Ashbir Aviat Fadila, Jian Pang, Atsushi Shirane, Kenichi Okada (Science Tokyo), Hiroyuki Takahashi (NTT) |
(To be available after the conference date) [more] |
|
OCS, LQE, OPE, OFT |
2024-11-22 15:40 |
Online |
Online (Online) |
[Special Invited Talk]
389.3-Tb/s 1017-km C-Band Transmission based on a Field-Installed 12-Coupled-Core Fiber Cable and Over-12-Tb/s Spatial MIMO Channels Akira Kawai, Kohki Shibahara, Megumi Hoshi, Masanori Nakamura, Takayuki Kobayashi, Ryota Imada, Takayoshi Mori, Taiji Sakamoto, Yusuke Yamada, Kazuhide Nakajima, Munehiko Nagatani, Hitoshi Wakita, Yuta Shiratori, Hiroshi Yamazaki, Hiroyuki Takahashi (NTT), Soichi Endo, Takemi Hasegawa (Sumitomo Electric), Ryo Nagase (CIT), Yutaka Miyamoto (NTT) OCS2024-54 OFT2024-79 OPE2024-102 LQE2024-49 |
[more] |
OCS2024-54 OFT2024-79 OPE2024-102 LQE2024-49 pp.20-21 |
MW |
2024-11-15 15:20 |
Okinawa |
JA Kume-jima Yuntaku house (Okinawa, Online) (Primary: On-site, Secondary: Online) |
Dual Configuration of sub-THz linearizer for independently compensating IM3 components Sumire Aoki (NTT DOCOMO), Hiroshi Hamada, Teruo Jyo, Hiroyuki Takahashi (NTT), Yasunori Suzuki (NTT DOCOMO) MW2024-143 |
[more] |
MW2024-143 pp.97-100 |
SCE |
2024-11-09 09:30 |
Miyagi |
RIEC, Tohoku Univ. (Miyagi, Online) (Primary: On-site, Secondary: Online) |
A study on the speed enhancement of a transition edge sensor-based photon number resolving detector Yuki Mitsuya, Masahiro Iijima, Ryutaro Matsumoto, Hiroyuki Takahashi (UTokyo) SCE2024-9 |
[more] |
SCE2024-9 pp.21-22 |
CPM, LQE, OPE, EMD, R |
2024-08-29 15:25 |
Aomori |
Hirosaki University (Aomori, Online) (Primary: On-site, Secondary: Online) |
[Invited Talk]
Properties of Waveguide-type Ge-PD Suitable for Sensing and Optical Communication, respectively Hideki Ono, Hiroyuki Takahashi, Masanori Itoh, Hiroki Yaegashi, Naoki Minato, Masahiro Sarashina, Daisuke Shimura, Masayuki Kashima (OKI) R2024-16 EMD2024-10 CPM2024-26 OPE2024-66 LQE2024-13 |
After describing an overview of photodetectors in silicon photonics, we report on the overview of the waveguide-type Ge-... [more] |
R2024-16 EMD2024-10 CPM2024-26 OPE2024-66 LQE2024-13 pp.15-19 |
EA, ASJ-H, ASJ-MA, ASJ-SP |
2024-07-07 11:15 |
Hokkaido |
(Hokkaido) |
[Invited Talk]
Study on Sound-Based Foreign Object Detection in Potato Starch Manufacturing Process Keiki Zen, Toshinori Honma, Hiroyuki Takahashi, Hironari Arai (HRO), Yuji Takahashi, Daisuke Ikeda, Shuji Fujihiro (JA SHIHORO) EA2024-26 |
In potato starch manufacturing process, foreign objects must be removed from the raw potatoes before it is processed in ... [more] |
EA2024-26 pp.90-92 |
OPE, LQE, OFT, OCS |
2024-05-17 16:30 |
Online |
Online (Online) |
[Special Invited Talk]
100-GHz EO bandwidth Low-cost PCB based Coherent Tx Front-end enabling 2-Tb/s/λ Optical Transmission Hitoshi Wakita, Munehiko Nagatani (NTT Corp.), Yoshihiro Ogiso, Masanori Nakamura, Fukutaro Hamaoka, Yuta Shiratori, Takayuki Kobayashi, Yutaka Miyamoto, Hiroyuki Takahashi (NTT Corp.) OCS2024-8 OFT2024-19 OPE2024-8 LQE2024-8 |
[more] |
OCS2024-8 OFT2024-19 OPE2024-8 LQE2024-8 pp.31-34 |
ED, MW |
2024-01-26 15:30 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. (Tokyo, Online) (Primary: On-site, Secondary: Online) |
[Invited Talk]
Ultra-high-speed analog front-end ICs for optical and wireless communications using InP compound semiconductors Teruo Jyo, Munehiko Nagatani, Hiroshi Hamada, Hitoshi Wakita, Ibrahim Abdo, Daisuke Kitayama, Adam Pander, Yuta Shiratori, Miwa Mutoh, Takuya Tsutsumi, Hiroyuki Takahashi (NTT) ED2023-81 MW2023-173 |
To accommodate the demand for higher speed and larger capacity networks due to the continuous increase in communication ... [more] |
ED2023-81 MW2023-173 pp.81-86 |
MW |
2023-03-02 16:25 |
Tottori |
Tottori Univ. (Tottori, Online) (Primary: On-site, Secondary: Online) |
[Special Talk]
220-325 GHz High Gain and High Common-mode rejection Differential Amplifier in 60-nm InP-HEMT technology Hiroshi Hamada, Takuya Tsutsumi, Adam Pander, Hideaki Matsuzaki, Hiroki Sugiyama, Hiroyuki Takahashi, Hideyuki Nosaka (NTT) MW2022-169 |
[more] |
MW2022-169 pp.70-75 |
ED, MWPTHz |
2022-12-19 16:05 |
Miyagi |
(Miyagi) |
[Invited Talk]
InP-HEMT Fabrication Process Technology for Beyond 5G Wireless Network with Tera-Hertz Band Takuya Tsutsumi, Hiroshi Hamada, Teruo Jyo, Hiroki Sugiyama, Taro Sasaki, Hiroyuki Takahashi, Fumito Nakajima (NTT) ED2022-76 MWPTHz2022-47 |
Next-generation "Beyond 5G (B5G) / 6G" wireless network systems have been researched and developed for meeting with rapi... [more] |
ED2022-76 MWPTHz2022-47 pp.23-27 |
OPE, OCS, LQE |
2022-10-20 15:45 |
Ehime |
(Ehime, Online) (Primary: On-site, Secondary: Online) |
Theoretical and Experimental Investigation of Frequency Chirp Induced by Inter-Arm Imbalance in Mach-Zehnder Silicon Optical Modulators Tadashi Murao, Jun Ushida, Hiroyuki Takahashi, Masatoshi Tokushima, Akemi Shiina, Tsuyoshi Horikawa (PETRA) OCS2022-22 OPE2022-68 LQE2022-31 |
Characteristic variations caused by nonuniformities in the fabrication process are inevitable in carrier-depletion Mach–... [more] |
OCS2022-22 OPE2022-68 LQE2022-31 pp.28-33 |
MW |
2022-03-04 09:20 |
Online |
Online (Online) |
A study of diode linearizer for 100 GHz amplifier toward 6G Sumire Aoki, Hiroshi Hamada, Hiroto Yamamoto, Atsushi Fukuda (NTT DOCOMO), Jyo Teruo, Hiroyuki Takahashi (NTT), Hiroshi Okazaki, Yasunori Suzuki (NTT DOCOMO) MW2021-129 |
Sub-THz band (frequency range above 100 GHz) are gathering attention to implement 6G high-speed wireless communications.... [more] |
MW2021-129 pp.100-104 |
HCS |
2022-01-29 15:30 |
Online |
Online (Online) |
Development of a restaurant search system using expert sensory tags Hiroyuki Takahashi (RItsumeikan Univ.), Takeshi Kadokami, Tetsuro Takaoka (AJFA), Junji Watanabe (NTT), Jun Yamadera (Eyes, Japan), Yoshikazu Kusumi, Takuya Murayama (NTT), Haruo Noma, Yuji Wada (RItsumeikan Univ.) |
[more] |
|
ED, THz |
2021-12-21 09:00 |
Miyagi |
(Miyagi, Online) (Primary: On-site, Secondary: Online) |
[Invited Talk]
InP HEMT based Tera-hertz IC Fabrication Technology for Beyond 5G/6G Application Takuya Tsutsumi, Hirosh Hamada, Hiroki Sugiyama, Teruo Jyo, Hiroyuki Takahashi, Hideaki Matsuzaki (NTT) ED2021-55 |
In this report, we focuses fabrication processes of InP-based hight-mobility transistors (InP-HEMTs) and Tera-Hertz mono... [more] |
ED2021-55 pp.34-39 |
OCS, OPE, LQE |
2021-10-22 16:30 |
Online |
Online (Online) |
Compact Model and Parametric Extraction for Optical Phase Shifters in Carrier-Depletion Mach-Zehnder Silicon Modulators Tadashi Murao, Jun Ushida, Hiroyuki Takahashi, Masatoshi Tokushima, Akemi Shiina, Tsuyoshi Horikawa (PETRA) OCS2021-18 OPE2021-38 LQE2021-17 |
Testing processes in silicon photonics are totally different from electronics and reduction of testing time has been an ... [more] |
OCS2021-18 OPE2021-38 LQE2021-17 pp.27-32 |
OCS, OPE, LQE |
2021-10-22 16:55 |
Online |
Online (Online) |
Theoretical and Experimental Investigation of OMA Penalty by Inter-Arm Imbalance in Mach-Zehnder Silicon Optical Modulators Tadashi Murao, Jun Ushida, Hiroyuki Takahashi, Masatoshi Tokushima, Akemi Shiina, Tsuyoshi Horikawa (PETRA) OCS2021-19 OPE2021-39 LQE2021-18 |
In this paper, an inter-arm imbalance and its impact on the optical modulation amplitude (OMA) are investigated for carr... [more] |
OCS2021-19 OPE2021-39 LQE2021-18 pp.33-38 |
HCGSYMPO (2nd) |
2020-12-15 - 2020-12-17 |
Online |
Online (Online) |
A Consideration on Detecting Anormal Respondents in Large Questionnaire Response Data Hiroyuki Takahashi, Wataru Kameyama, Mutsumi Suganuma (Waseda Univ.) |
In a questionnaire with a variety of questions for consumers to answer, there may be a small number of specific answers ... [more] |
|
R, LQE, OPE, CPM, EMD |
2020-08-28 14:55 |
Online |
Online (Online) |
[Invited Talk]
Waveguide Germanium Avalanche Photodiode with High Responsivity and Low Dependence on Polarization Capable of Receiving 1600nm Band Wavelength Hideki Ono (OKI), Jun-ichi Fujikata, Masataka Noguchi (PETRA), Hiroyuki Takahashi, Masanori Itoh, Daisuke Shimura, Hiroki Yaegashi, Hironori Sasaki (OKI) R2020-15 EMD2020-14 CPM2020-7 OPE2020-27 LQE2020-7 |
We developed Ge-APDs having characteristics of low dependency on polarization and high responsivity at the wavelength of... [more] |
R2020-15 EMD2020-14 CPM2020-7 OPE2020-27 LQE2020-7 pp.29-32 |
SCE |
2019-08-09 10:50 |
Ibaraki |
National Institute of Advanced Industrial Science and Technology (Ibaraki) |
Microwave SQUID multiplexer for readout of optical TES array Naoki Nakada (The Univ. of Tokyo/AIST), Kaori Hattori (AIST), Yuki Nakashima (AIST/JAXA), Fuminori Hirayama, Ryo Yamamoto, Hitrotake Yamamori, Satoshi Kohjiro, Akira Sato (AIST), Hiroyuki Takahashi (The Univ. of TOkyo), Daiji Fukuda (AIST) SCE2019-10 |
Photon imaging technology is applied in various research fields such as quantum information communication and biological... [more] |
SCE2019-10 pp.9-13 |
OFT |
2018-01-19 11:45 |
Kumamoto |
(Kumamoto) |
Non-entry manhole inspection technology
-- Image analysis to improve the efficiency of manhole inspection -- Chihiro Saito, Takayuki Furukawa, Okutsu Masaru, Hiroyuki Takahashi, Masafumi Nakagawa, Syuichi Yanagi (NTT) OFT2017-68 |
(Advance abstract in Japanese is available) [more] |
OFT2017-68 pp.57-60 |
|