Zobrazeno 1 - 10
of 176
pro vyhledávání: '"Akifumi Kasamatsu"'
Autor:
Yusuke Tanaka, Guillaume Ducournau, Cybelle Belem-Goncalves, Frederic Gianesello, Cyril Luxey, Issei Watanabe, Akihiko Hirata, Norihiko Sekine, Akifumi Kasamatsu, Shintaro Hisatake
Publikováno v:
IEEE Open Journal of Antennas and Propagation, Vol 3, Pp 24-31 (2022)
In this study, photonics-based near-field measurement and far-field characterization in a 300-GHz band are demonstrated using an electrooptic (EO) sensor with planar scanning. The field to be measured is up-converted to the optical domain (1550 nm) a
Externí odkaz:
https://doaj.org/article/c8dbf5f5faf74fba9cbc13498e786dd5
Autor:
Kazuyuki Wada, Shinsuke Hara, Satoru Tanoi, Akifumi Kasamatsu, Yuta Otsuka, Kawori Sekine, Atsushi Uchida, Makoto Naruse
Publikováno v:
AIP Advances, Vol 12, Iss 12, Pp 125225-125225-7 (2022)
Photonic computing has been intensively studied to explore the ultrahigh bandwidth of lightwaves. However, electronic support is indispensable for the post-processing and control of photonic systems owing to the difficulties encountered in all-optica
Externí odkaz:
https://doaj.org/article/58fcae81fac24475b3f2d10e4816e83e
Autor:
Motoaki Hara, Yuichiro Yano, Yuki Takahashi, Toshio Nishizawa, Shinsuke Hara, Akifumi Kasamatsu, Masanori Ueda, Hiroyuki Ito, Tetsuya Ido
Publikováno v:
Electronics Letters, Vol 57, Iss 3, Pp 132-134 (2021)
Abstract An injection‐locked divider oscillator that converts a 6‐GHz‐band signal into a 3‐GHz‐band signal was developed. The injection‐locked divider oscillator was specifically designed to lock on the clock transition frequency of 87Rb
Externí odkaz:
https://doaj.org/article/30e637d74f6a449d9acad654bb8ff5c7
Autor:
Ruibing Dong, Shinsuke Hara, Satoru Tanoi, Tatsuo Hagino, Issei Watanabe, Mohamed H. Mubarak, Akifumi Kasamatsu
Publikováno v:
IEEE Transactions on Terahertz Science and Technology. 13:20-27
Autor:
Shinsuke Hara, Ruibing Dong, Sangyeop Lee, Kyoya Takano, Naoya Toshida, Akifumi Kasamatsu, Kunio Sakakibara, Takeshi Yoshida, Shuhei Amakawa, Minoru Fujishima
Publikováno v:
IEEE Journal of Solid-State Circuits. 57:2988-2998
Autor:
Hirokazu Sawada, Takeshi Matsumura, Keizo Inagaki, Atsushi Kanno, Katsumi Fujii, Jerdvisanop Chakarothai, Norihiko Sekine, Akifumi Kasamatsu, Hiroyo Ogawa
Publikováno v:
2023 17th European Conference on Antennas and Propagation (EuCAP).
Autor:
Akira Endoh, Koharu Hatori, Naoyuki Kishimoto, Mizuho Hiraoka, Yuta Kemmochi, Yuki Endoh, Koki Osawa, Takuya Hayashi, Ryuto Machida, Issei Watanabe, Yoshimi Yamashita, Shinsuke Hara, Akifumi Kasamatsu, Hiroki I. Fujishiro
Publikováno v:
physica status solidi (a). 220
Autor:
Akihiko Hirata, Tubasa Saijo, Yuma Kawamoto, Tadao Nagatsuma, Issei Watanabe, Norihiko Sekine, Akifumi Kasamatsu
Publikováno v:
IEICE Transactions on Electronics.
Autor:
Yuta Uemura, Takashi Tomura, Jiro Hirokawa, Koichiro Itakura, Norihiko Sekine, Akifumi Kasamatsu, Issei Watanabe, Taiki Higashimoto, Akihiko Hirata, Tadao Nagatsuma
Publikováno v:
IEICE Transactions on Electronics. :587-595
Autor:
Takeshi Yoshida, Yuichi Kashino, Minoru Fujishima, Kosuke Katayama, Kazuaki Takahashi, Akifumi Kasamatsu, Naganori Shirakata, Yohei Morishita, Ruibing Dong, Shinsuke Hara, Kyoya Takano, Shuhei Amakawa, Takenori Sakamoto, Sangyeop Lee, Hitoshi Asano, Koji Takinami, Toshihiro Teraoka
Publikováno v:
IEICE Transactions on Electronics. :576-586