Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Junichiro Matsui"'
Autor:
Masaki Sato, Manabu Arikawa, Hidemi Noguchi, Junichiro Matsui, Junaichi Abe, Emmanuel Le Taillandier de Gabory
Publikováno v:
IEEE Photonics Journal, Vol 14, Iss 3, Pp 1-11 (2022)
High-order modulation formats with high symbol rates are promising candidates for meeting the growing traffic requirements of digital coherent transmission. In using these modulation formats, the impact of transceiver impairment on the signal quality
Externí odkaz:
https://doaj.org/article/861ee7a088bf4e979c829271c27049db
Autor:
Masaki Sato, Manabu Arikawa, Hidemi Noguchi, Junichiro Matsui, Jun’ichi Abe, Emmanuel Le Taillandier de Gabory
Publikováno v:
2023 Optical Fiber Communications Conference and Exhibition (OFC).
We demonstrated inline optical compensation of group delay ripple estimated with offloaded 2×2 MIMO filter for 84-GBaud PM-PCS-16QAM over 10,200 km SMF. We showed 38 % reduction of MIMO taps, compared to the conventional method.
Publikováno v:
JOURNAL OF THE JAPANESE ASSOCIATION OF RURAL MEDICINE. 69:66-73
Autor:
Masaki Sato, Manabu Arikawa, Hidemi Noguchi, Junichiro Matsui, Jun’ichi Abe, Emmanuel Le Taillandier de Gabory
Publikováno v:
Optical Fiber Communication Conference (OFC) 2022.
Transmitter impairment mitigation for 58-GBaud PM-64QAM with 4×2 WL MIMO embedding preliminary CPR was demonstrated over 100 km SSMF. Q-penalties of 0.1 dB with 14 ps IQ skew and 10 degree phase error were achieved.
Autor:
Junichiro Matsui, Junichi Abe, Emmanuel Le Taillandier de Gabory, Masaki Sato, Hidemi Noguchi
Publikováno v:
2020 Opto-Electronics and Communications Conference (OECC).
We review the concept of MIMO based inter-subcarrier linear crosstalk mitigation in the optical transmission. The proposed FDE assisted MIMO techniques were experimentally verified with digital subcarrier based PM-QAM transmission, realized sub-Nyqui
Autor:
Naoto Ishii, Hidemi Noguchi, Masaki Sato, Junichi Abe, Junichiro Matsui, Emmanuel Le Taillandier de Gabory
Publikováno v:
OFC
We experimentally demonstrated inter-subcarrier linear crosstalk mitigation of five-subcarrier 10-GBaud RRC-PM-16QAM using Groupwise fixed FDE assisted MIMO. The proposed method enabled 6.3% tighter subcarrier spacing over 120 km SSMF, compared to co
Autor:
Kazuo Kubo, Hidemi Noguchi, Soichiro Kametani, Yuichi Akiyama, Masahito Tomizawa, Kengo Horikoshi, Hisao Nakashima, Yoshida Mitsuteru, Kenya Sugihara, Junichiro Matsui, Yutaka Miyamoto, Seiji Okamoto, Takeshi Hoshida, Takashi Sugihara, Junichi Abe, Kazushige Yonenaga, Hiroshi Onaka, Takeshi Okamoto
Publikováno v:
IEICE Transactions on Communications. :1726-1733
Publikováno v:
45th European Conference on Optical Communication (ECOC 2019).
Autor:
Hidemi Noguchi, Junichi Abe, Masaki Sato, Emmanuel Le Taillandier de Gabory, Junichiro Matsui
Publikováno v:
Asia Communications and Photonics Conference.
We improved the tolerance to linear crosstalk of 34GHz-spaced 272Gb/s PM-16QAM subcarriers by 0.5dB after 480km SSMF transmission, using Super-Nyquist Filtering and low complexity MMSE-based ISI compensation, compared to Nyquist shaping at identical
Autor:
Ryuzaburo Shineha, Masao Tsuboi, Akihiro Tsuda, Masayuki Watanabe, Kazuhira Maehara, Masahiko Sato, Yuzou Takaya, Hiroshi Seita, Keiichi Sagawa, Kazuaki Tamagawa, Katsumi Chiba, Masafumi Sugi, Takayuki Owada, Fumio Suzuki, Yasuchika Takeishi, Yasutoshi Saito, Tsuneo Honda, Naoto Ohara, Takayoshi Yamaki, Satoshi Abe, Yukio Maruyama, Hiroshi Takahira, Wataru Abe, Toshio Kobayashi, Shuichi Nagasawa, Tokuo Yui, Tadami Maeyama, Tomoyuki Watanabe, Masaharu Kanazawa, Yukihiko Abe, Shigebumi Suzuki, Yasumori Sodenaga, Kazuhiko Nakazato, Nobuo Komatsu, Mikihiro Kijima, Michito Kanke, Junichiro Matsui, Tomiyoshi Saito, Sakae Suzuki, Masahiro Ono, Shinichi Hisa
Publikováno v:
Fukushima journal of medical science. 59(1)
Acute myocardial infarction (AMI) remains one of the most serious heart diseases and elucidation of its pathogenesis and advances in treatment strategies have been desired. In 2009, to understand the status of AMI in Fukushima Prefecture for improvin