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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 10 of 10  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
OPE, OFT, OCS
(Joint) [detail]
2024-02-22
10:25
Okinawa Nobumoto Ohama Memorial Hall (Okinawa, Online)
(Primary: On-site, Secondary: Online)
A Study on Figure of Merit of Low loss Hole-Assisted Single-Mode optical Fiber
Kouhei Omoto, Nobutomo Hanzawa, Takashi Matsui, Kazuhide Nakajima (NTT) OFT2023-75 OPE2023-127
We have reported that the Hole-Assist (HA) structure with a small diameter core and a low refractive index difference co... [more] OFT2023-75 OPE2023-127
pp.66-69(OFT), pp.107-110(OPE)
OFT 2020-10-08
11:40
Online Online (Online) [Poster Presentation] Basic study of shape sensing for large-scale line structures with multi-core fibers by Brillouin OTDR
Makito Kobayashi, Yoshiki Maeda, Kimihiro Toh (the Univ. of Tokyo), Nobutomo Hanzawa (NTT), Kengo Koizumi, Hitoshi Murai (OKI), Ryota Wada (the Univ. of Tokyo), Takashi Matsui, Kazuhide Nakajima (NTT), Hideaki Murayama (the Univ. of Tokyo) OFT2020-19
It is difficult to observe the behavior of large-scale line structures used in offshore systems directly, such as risers... [more] OFT2020-19
pp.41-45
OFT, OCS, OPE
(Joint) [detail]
2019-02-15
09:30
Fukuoka   (Fukuoka) The evaluation in crosstalk distribution of multi-core-fiber with air-hole
Saki Nozoe (NTT), Ryohei Fukumoto (Fujikura), Kyozo Tsujikawa, Nobutomo Hanzawa (NTT), Katsuhiro Takenaga (Fujikura), Masaharu Ohashi (Osaka Pref. Univ.), Kazuhiko Aikawa (Fujikura), Kazuhide Nakajima (NTT) OFT2018-76 OPE2018-202
(Advance abstract in Japanese is available) [more] OFT2018-76 OPE2018-202
pp.31-34(OFT), pp.51-54(OPE)
OFT 2018-01-18
17:05
Kumamoto (Kumamoto) A Study on safety confirmation by using optical fiber during power failure
Nobutomo Hanzawa, Shouhei Kuniyoshi, Atsushi Abe, Michio Ozaki, Takuo Kaiju, Tomoaki Furukawa (NTT EAST) OFT2017-62
(Advance abstract in Japanese is available) [more] OFT2017-62
pp.29-32
OFT 2018-01-19
10:20
Kumamoto (Kumamoto) A study on melted area caused by fiber fuse propagation in optical fibers
Kyozo Tsujikawa (NTT), Kenji Kurokawa (Kitami Institute of technology), Nobutomo Hanzawa (NTT East), Saki Nozoe, Takashi Matsui, Kazuhide Nakajima (NTT) OFT2017-65
A fiber fuse is a phenomenon resulting in the catastrophic destruction of the optical fiber. In the near future the fibe... [more] OFT2017-65
pp.43-46
OFT 2017-01-20
16:30
Tokyo Kikaishinko Kaikan (Tokyo) Dynamics of fiber fuse termination in compact fiber fuse terminator
Kyozo Tsujikawa (NTT), Kenji Kurokawa (Kitami Institute of Technology), Nobutomo Hanzawa (NTT EAST), Saki Nozoe, Takashi Matsui, Kazuhide Nakajima (NTT) OFT2016-42
(Advance abstract in Japanese is available) [more] OFT2016-42
pp.33-37
LQE, OPE, OCS 2016-10-28
13:00
Miyazaki Miyazaki Citizen's Plaza (Miyazaki) Fabrication of PLC-based 2-mode multi/demultiplexer designed by wavefront matching method and the reason of its broadband characteristics
Eri Taguchi, Yoko Yamashita, Shuntaro Makino, Takeshi Fujisawa (Hokkaido Univ.), Nobutomo Hanzawa, Taiji Sakamoto, Takashi Matsui, Kyozo Tsujikawa, Kazuhide Nakajima, Fumihiko Yamamoto (NTT), Kunimasa Saitoh (Hokkaido Univ.) OCS2016-51 OPE2016-92 LQE2016-67
We investigate the PLC-based 2-mode multi/demuliplexer using wavefront matching method based on 3D scalar finite element... [more] OCS2016-51 OPE2016-92 LQE2016-67
pp.91-96
OFT 2016-10-13
14:35
Iwate MALIOS (Morioka City) (Iwate) [Invited Talk] Introduction of anomalous failure in optical fiber cable
Nobutomo Hanzawa, Michio Ozaki, Tomoaki Furukawa (NTT EAST) OFT2016-16
(Advance abstract in Japanese is available) [more] OFT2016-16
pp.1-4
OFT 2015-12-11
16:40
Tokyo The University of Electro-Communications (Tokyo) (Tokyo) Fiber Fuse Propagation in Two-mode Fiber
Saki Nozoe, Nobutomo Hanzawa, Kyozo Tsujikawa (NTT), Kenji Kurokawa (Kitami Institute of Technology), Takashi Matsui, Kazuhide Nakajima (NTT) OFT2015-53
We concern about the risk that fiber fuse initiation is increased with increasing the input power per fiber by utilizing... [more] OFT2015-53
pp.39-43
OPE, LQE, OCS 2015-10-30
14:50
Oita Beppu International Convention Center (Oita) A study on a low-loss and broadband PLC-based 2-mode multi/demultiplexer using wavefront matching method based on 3D scalar FE-BPM
Yoko Yamashita, Shuntaro Makino, Takeshi Fujisawa, Kunimasa Saitoh (Hokkaido Univ.), Nobutomo Hanzawa, Taiji Sakamoto, Takashi Matsui, Kyozo Tsujikawa, Fumihiko Yamamoto (NTT) OCS2015-66 OPE2015-116 LQE2015-85
We investigate the PLC-based 2-mode multi/demuliplexer using wavefront matching method based on 3D scalar finite element... [more] OCS2015-66 OPE2015-116 LQE2015-85
pp.127-132
 Results 1 - 10 of 10  /   
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