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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| OFT | 2023-10-12 10:10 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
[Poster Presentation]
The effects of core-to-core distances of MCFs and spatial resolutions of DSSs on MCF shape sensing Takafumi Ogura, Makito Kobayashi (UTokyo), Masaki Wada, Takashi Matsui, Kazuhide Nakajima (NTT), Kengo Koizumi, Hitoshi Murai (OKI), Hideaki Murayama (UTokyo)  OFT2023-18 |
A multi-core fiber (MCF) with three times the core spacing of conventional fibers was developed for shape sensing of def... [more] | OFT2023-18 pp.11-14 |
| OFT | 2023-10-12 13:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Distributed strain measurements of multi-core fiber ribbon Shintaro Nakamoto, Takafumi Ogura (UTokyo), Masaki Wada, Takashi Matsui, Kazuhide Nakajima (NTT), Ryota Wada, Hideaki Murayama (UTokyo) OFT2023-24 |
We propose a ribbon-shaped optical fiber (MCF ribbon) consisting MCFs and SMFs, which is designed to fix the twisted con... [more] | OFT2023-24 pp.35-38 |
| OFT, OCS, LSJ (Joint) [detail] |
2023-08-24 16:15 |
Hokkaido | (Primary: On-site, Secondary: Online) |
Effective Nonlinear Coefficient of Coupled Multi-core Fiber Taiji Sakamoto, Ryota Imada, Kazuhide Nakajima (NTT) OCS2023-23 |
[more] | OCS2023-23 pp.21-26 |
| OFT | 2023-05-11 15:25 |
Iwate | Aiina(Iwate) (Primary: On-site, Secondary: Online) |
A study on loss characteristics of 3-mode dual-step index pure silica core fiber. Taro Iwaya, Yuto Sagae, Takayoshi Mori, Taiji Sakamoto, Takashi Matsui (NTT), Takanori Sato, Kunimasa Saitoh (Hokudai), Kazuhide Nakajima (NTT) OFT2023-3 |
Toward lowering loss and differential mode delay (DMD) of 3-mode fiber, feasibility of pure silica core with dual-step i... [more] | OFT2023-3 pp.10-13 |
| OFT | 2023-05-11 16:15 |
Iwate | Aiina(Iwate) (Primary: On-site, Secondary: Online) |
Design of uncoupled 3-mode 4-core graded-index fibers with a common depressed layer Tomoki Honda, Takanori Sato, Takeshi Fujisawa (Hokaido Univ.), Taro Iwaya, Yuto Sagae, Taiji Sakamoto, Takashi Matsui, Kazuhide Nakajima (NTT), Kunimasa Saitoh (Hokaido Univ.) OFT2023-5 |
We design a standard diameter (125 μm) uncoupled 3-mode 4-core fiber (3M-4CF). In order to suppress the inter-core cross... [more] | OFT2023-5 pp.20-23 |
| OCS, OFT, OPE (Joint) [detail] |
2023-02-17 09:15 |
Okinawa | kukuru-itomancity (Primary: On-site, Secondary: Online) |
A study on bending loss properties of coupled multi-core fiber Ryota Imada, Taiji Sakamoto, Takayoshi Mori, Yusuke Yamada, Kazuhide Nakajima (NTT) OFT2022-58 OPE2022-106 |
We investigate the dependence of bending loss on bending angle in coupled multi-core fiber. We reveal the bending loss i... [more] | OFT2022-58 OPE2022-106 pp.37-40(OFT), pp.64-67(OPE) |
| OCS, OFT, OPE (Joint) [detail] |
2023-02-17 14:10 |
Okinawa | kukuru-itomancity (Primary: On-site, Secondary: Online) |
A study on a PLC-based six-mode multi/demultiplexer using Y-branch mode converter and optical unitary converter Yasuto Yoshida, Takanori Sato, Takeshi Fujisawa (Hokkaido Univ.), Takayoshi Mori, Taiji Sakamoto, Yoko Yamashita, Ryota Imada, Kazuhide Nakajima (NTT), Kunimasa Saitoh (Hokkaido Univ.) OCS2022-86 OFT2022-62 OPE2022-115 |
A selective/non-selective six-mode (de)multiplexer using planar lightwave circuits (PLC) is designed to realize mode-div... [more] | OCS2022-86 OFT2022-62 OPE2022-115 pp.80-85(OCS), pp.53-58(OFT), pp.105-110(OPE) |
| CS | 2022-10-27 11:00 |
Hiroshima | Hiroshima City University Satellite campus (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Virus inactivation technology by UV fiver transmission
-- Fivery® -- Katsuhisa Taguchi, Ayako Iwaki, Takahito Kirihara, Satoshi Narikawa, Yuto Sagae, Chisato Fukai, Takashi Matsui, Kazuhide Nakajima (NTT) CS2022-44 |
The worldwide pandemic of coronavirus infection has led to the proposal and social implementation of various preventive ... [more] | CS2022-44 pp.9-10 |
| OCS, OFT, LSJ (Joint) [detail] |
2022-08-26 10:00 |
Online | Online | A consideration on air hole etching on attenuation of a hole-assisted optical fiber Kouhei Omoto (NTT), Kyozo Tsujikawa (NTT-AT), Takashi Matsui, Kazuhide Nakajima (NTT) OFT2022-11 |
It has been reported that etching treatment of the fracture layer created during drilling of the preform is effective in... [more] | OFT2022-11 pp.28-31 |
| OCS, OFT, LSJ (Joint) [detail] |
2022-08-26 10:25 |
Online | Online | A Method for Evaluating Micro-Bending Loss Sensitivity for Clarifying Applicability to High-Density Optical Fiber Cable. Masashi Kikuchi, Takayoshi Mori, Yuto Sagae, Yusuke Yamada, Takashi Matsui, Kazuhide Nakajima (NTT) OFT2022-12 |
(Advance abstract in Japanese is available) [more] | OFT2022-12 pp.32-36 |
| OPE, OFT, OCS (Joint) [detail] |
2022-02-25 13:05 |
Online | Online | Group delay spread reduction using coupled multicore fibers with twist and bend Kazushi Homma, Takanori Sato, Takeshi Fujisawa (Hokkaido Uni.), Yuto Sagae, Taiji Sakamoto, Takashi Matsui, Kazuhide Nakajima (NTT), Kunimasa Saitoh (Hokkaido Uni.) OCS2021-49 OFT2021-79 OPE2021-64 |
We investigate mode coupling characteristics in coupled multicore fibers with twist and bend for reducing the group dela... [more] | OCS2021-49 OFT2021-79 OPE2021-64 pp.40-45(OCS), pp.49-54(OFT), pp.78-83(OPE) |
| OPE, OFT, OCS (Joint) [detail] |
2022-02-25 13:55 |
Online | Online | Control of Mode-dependent Gain in Coupled Multi-core EDF with Bend Ryota Imada, Taiji Sakamoto, Shinichi Aozasa, Kazuhide Nakajima (NTT) OCS2021-51 OPE2021-66 |
We discuss the reduction in mode-dependent gain (MDG) in coupled-multi-core erbium- doped fiber (C-MC-EDF) with smaller ... [more] | OCS2021-51 OPE2021-66 pp.51-55(OCS), pp.89-93(OPE) |
| OFT | 2022-01-20 14:55 |
Online | Online | Study on optical tap waveguide with tunable wavelength and branching property Yoko Yamashita, Takayoshi Mori, Takashi Matsui, Kazuhide Nakajima (NTT) OFT2021-59 |
We propose optical tap waveguide with tunable wavelength and branching property by inscribing long period fiber grating ... [more] | OFT2021-59 pp.21-26 |
| OFT, OCS, LSJ (Joint) [detail] |
2021-08-27 13:00 |
Online | Online | [Invited Talk]
Recent progress on standard cladding diameter MCF and its perspective Kazuhide Nakajima, Takashi Matsui, Yusuke Yamada, Yuto Sagae, Taiji Sakamoto, Takayoshi Mori (NTT) OFT2021-20 |
Space division multiplexing (SDM) is expected to be a candidate technology for overcoming a capacity limitation in an ex... [more] | OFT2021-20 pp.43-48 |
| OFT | 2021-05-13 14:20 |
Online | Online | Connection results for 8-fiber multicore fiber connectors with different structure Yoshiteru Abe, Taiji Sakamoto (NTT), Kohei Kawasaki, Kengo Watanabe, Ryuichi Sugizaki (Furukawa Electric Co., Ltd.), Kazuhide Nakajima, Kazunori Katayama (NTT) OFT2021-3 |
[more] | OFT2021-3 pp.9-12 |
| OPE, LQE | 2020-11-20 15:30 |
Online | Online | Suppression of bending loss in coupled few-mode multicore fibers with outer trench layer Kenta Nishimura, Takeshi Fujisawa, Takanori Sato (Hokkaido Univ.), Taiji Sakamoto, Takashi Matsui, Yuto Sagae, Kazuhide Nakajima (NTT), Kunimasa Saitoh (Hokkaido Univ.) OPE2020-62 LQE2020-42 |
We propose a coupled few-mode multicore fiber with outer trench layer for suppressing both the group delay spread (GDS) ... [more] | OPE2020-62 LQE2020-42 pp.86-91 |
| OFT | 2020-10-08 11:40 |
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 |
| OCS, LQE, OPE | 2019-10-18 15:05 |
Kagoshima | Fabrication and characterization of broadband TE0-TE1 mode divider Takeshi Fujisawa (Hokkaido Univ.), Taiji Sakamoto, Takashi Matsui, Kazuhide Nakajima (NTT), Kunimasa Saitoh (Hokkaido Univ.) OCS2019-48 OPE2019-86 LQE2019-64 |
(Advance abstract in Japanese is available) [more] | OCS2019-48 OPE2019-86 LQE2019-64 pp.109-112 |
|
| OFT, OCS, LSJ (Joint) [detail] |
2019-08-29 15:20 |
Hokkaido | A Study of Multi-Functional Multi-Core Fiber Including a Low Latency Core and Its Application Yuto Sagae, Takashi Matsui, Taiji Sakamoto, Kazuhide Nakajima (NTT) OFT2019-26 |
Not only enlarging transmission capacity but decreasing latency in optical transmission has been drowning considerable a... [more] | OFT2019-26 pp.13-18 |
|
| OFT, OCS, OPE (Joint) [detail] |
2019-02-15 09:30 |
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) |
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