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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| EMD | 2025-02-28 15:20 |
Tokyo | NIT (Tokyo) | Study on physical contact connection for multi-fiber MCF connector Akane Himeno (KSU), Ryo Koyama, Chisato Fukai, Yukiko Sawano, Takashi Matsui (NTT), Yoshiteru Abe (KSU) |
[more] | |
| OFT | 2025-01-23 12:40 |
Osaka | (Osaka, Online) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Still image transmission system powered from an unused port of a PON splitter Riku Matsumoto, Daniel Akira Ando, Tetsuya Manabe (Mie Univ.), Tomohiro Kawano, Takashi Matsui (NTT) |
(To be available after the conference date) [more] | |
| OFT, OCS, IEE-CMN, ITE-BCT, CQ (Joint) [detail] |
2024-11-08 10:00 |
Kochi | (Kochi) | Remote operated optical fiber switching node using power-over-fiber technique Hiroshi Watanabe, Akihiro Kuroda, Tomohiro Kawano, Kuniaki Terakawa, Takashi Matsui (NTT)  OFT2024-71 |
A remote optical fiber switching node which enables optical fiber switching by remote control is examined for reducing a... [more] | OFT2024-71 pp.13-18 |
| OPE, LQE, OCS | 2024-10-17 16:55 |
Yamaguchi | (Yamaguchi) | High-power and stable single-mode operation of phase-shifted 1.31 µm DFB laser integrated with semiconductor optical amplifier Daisuke Inoue (SEI), Konosuke Aoyama, Takashi Matsui, Shigenori Toyoshima, Shinsuke Yanagida, Kotaro Hoshino (SEDI), Naoki Fujiwara (SEI), Daisei Shoji, Harold Kamisugi (SEDI) OCS2024-36 OPE2024-89 LQE2024-36 |
Co-packaged optics (CPO) technology has been developed in recent years, as the emerging of AI/ML technologies has increa... [more] | OCS2024-36 OPE2024-89 LQE2024-36 pp.63-66 |
| OFT | 2024-10-11 15:25 |
Tokyo | (Tokyo, Online) (Primary: On-site, Secondary: Online) |
Estimation of Energy Storage Status in Power Supply System Using Power over Fiber for Outdoor Environment Tomohiro Kawano, Akihiro Kuroda, Hiroshi Watanabe, Chisato Fukai, Takui Uematsu, Ryo Koyama, Takashi Matsui (NTT) OFT2024-66 |
We demonstrate that our model for estimating power charging regimes of the power supply system combining power over fibe... [more] | OFT2024-66 pp.154-157 |
| OCS, OFT, LSJ (Joint) [detail] |
2024-08-23 09:30 |
Hokkaido | (Hokkaido) | Study of fiber bundle inserted in ferrule for rotary optical fiber switching Chisato Fukai, Ryo Koyama, Takui Uematsu, Ikutaro Ogushi, Takashi Matsui, Kazunori Katayama (NTT) OCS2024-21 |
[more] | OCS2024-21 pp.19-22 |
| OPE, OFT, OCS (Joint) [detail] |
2024-02-21 16:55 |
Okinawa | Nobumoto Ohama Memorial Hall (Okinawa, Online) (Primary: On-site, Secondary: Online) |
A study on loss characteristics of uncoupled 3-mode 4-core graded index fiber with a common depressed layer Tomoki Honda, Takanori Sato (Hokkaido Univ.), Taro Iwaya, Yuto Sagae, Taiji Sakamoto, Takashi Matsui, Kazuhide Nakajima (NTT), Kunimasa Saitoh (Hokkaido Univ.) OCS2023-75 OFT2023-67 OPE2023-118 |
[more] | OCS2023-75 OFT2023-67 OPE2023-118 pp.42-47(OCS), pp.23-28(OFT), pp.58-63(OPE) |
| 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 | 2023-10-12 10:10 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Tokyo, Online) (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. (Tokyo, Online) (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 | 2023-05-11 15:25 |
Iwate | Aiina(Iwate) (Iwate, Online) (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) (Iwate, Online) (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 |
| CS | 2022-10-27 11:00 |
Hiroshima | Hiroshima City University Satellite campus (Hiroshima, Online) (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 (Online) | A Study on Relationship Between air hole etching and attenuation property in 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 (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 (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) |
| OFT | 2022-01-20 14:55 |
Online | 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 (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 |
| OPE, LQE | 2020-11-20 15:30 |
Online | 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 (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 |
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