Zobrazeno 1 - 10
of 292
pro vyhledávání: '"Hidehiko Takara"'
Autor:
Toshio Morioka, Kazi S. Abedin, Nobutomo Hanzawa, Kenji Kurokawa, Kazunori Mukasa, Ryo Nagase, Hidehiko Takara, Shin-ichi Todoroki, Makoto Yamada, Shuichi Yanagi
Publikováno v:
Springer Series in Optical Sciences ISBN: 9783030876173
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::68b40db6cc8c7a19b48eaaa94e04d047
https://doi.org/10.1007/978-3-030-87619-7_7
https://doi.org/10.1007/978-3-030-87619-7_7
Autor:
Toshio Morioka, Yoshinari Awaji, Kazumasa Enami, Yutaka Miyamoto, Itsuro Morita, Yukihiko Okumura, Masatoshi Suzuki, Hidehiko Takara, Jun Terada, Kenji Yamamoto
Publikováno v:
Springer Series in Optical Sciences ISBN: 9783030876173
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::af7c949d50d97b30e18f5420db0dc475
https://doi.org/10.1007/978-3-030-87619-7_1
https://doi.org/10.1007/978-3-030-87619-7_1
Autor:
Itsuro Morita, Toshihiko Hirooka, Hidehiko Takara, Yoshinari Awaji, Kiyoshi Fukuchi, Koji Igarashi, Masafumi Koga, Yutaka Miyamoto, Takayuki Mizuno, Masataka Nakazawa, Benjamin J. Puttnam, Jun Sakaguchi, Akihide Sano, Takehiro Tsuritani, Shinji Yamashita
Publikováno v:
Springer Series in Optical Sciences ISBN: 9783030876173
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d98a102ed20bd763b07fa7e91edff997
https://doi.org/10.1007/978-3-030-87619-7_5
https://doi.org/10.1007/978-3-030-87619-7_5
Autor:
Doohwan Lee, Takayuki Kobayashi, Yutaka Miyamoto, Hidehiko Takara, Hiroto Kawakami, Kohki Shibahara, Akihide Sano, Takayuki Mizuno, Tadao Nakagawa
Publikováno v:
Journal of Lightwave Technology. 34:1754-1761
It is often observed that various differential mode delays (DMDs) coexist in single multi-core fiber (MCF) and/or few-mode fiber (FMF) transmission. From a multi-input and multi-output (MIMO) equalization perspective, this indicates optimum equalizat
Publikováno v:
Journal of Lightwave Technology. 34:1484-1493
In this paper, we review recent progress on space division multiplexed (SDM) transmission and our proposal of dense SDM (DSDM) with more than 30 spatial channels toward capacities beyond petabit/s. Furthermore, we discuss the requirements for realizi
Publikováno v:
Journal of Lightwave Technology. 34:582-592
In this paper, we describe recent progress in space-division multiplexed (SDM) transmission, and our proposal and demonstration of dense space-division multiplexing (DSDM), which offers the possibility of ultra-high capacity SDM transmission systems
Autor:
Keisuke Hirakawa, Takayuki Mizuno, Makoto Yamada, Yoshimichi Amma, Hiroji Masuda, Hiroto Kawakami, Kyozo Tsujikawa, Hirotaka Ono, Kokoro Kitamura, Yutaka Miyamoto, Hidehiko Takara, Shuichiro Asakawa, Shoichiro Matsuo
Publikováno v:
Journal of Lightwave Technology. 33:1473-1478
We demonstrate the unrepeatered transmission of over 100 Tb/s by employing a multicore-fiber-based remote optically pumped amplifier. We establish 120.7-Tb/s, 204-km seven-core fiber transmission with the aggregate spectral efficiency (SE) of 53.6 b/
Publikováno v:
IEICE Transactions on Communications. :1259-1264
Autor:
Shoichiro Matsuo, Kazunori Suzuki, Yoshiteru Abe, K. Takenaga, Tetsuo Takahashi, Hidehiko Takara, Takayuki Mizuno, Hirotaka Ono, Yasuaki Hashizume
Publikováno v:
IEEE Photonics Technology Letters. 24:1937-1940
We report an integrated pump source for distributed Raman amplification (DRA) in multicore fiber (MCF) where the MCF cores share pump laser diodes (LDs). The DRA requires many LDs and passive components if it is to obtain a flat and polarization-inse
Autor:
Hidehiko Takara, Kohki Shibahara, Makoto Yamada, Shoichiro Matsuo, Kunimasa Saitoh, Hiroto Kawakami, Yutaka Miyamoto, D. Lee, Takayuki Mizuno
Publikováno v:
OFC
Scopus-Elsevier
Scopus-Elsevier
A method is described for applying space-time coding implemented by Hadamard transform to SDM transmission. Experiments demonstrated that the method substantially improves mode dependent loss tolerance and enables transmission reach to be enhanced by