Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
OPE, OFT, OCS (Joint) [detail] |
2024-02-22 09:35 |
Okinawa |
Nobumoto Ohama Memorial Hall (Primary: On-site, Secondary: Online) |
Study on connection loss of multi-fiber cylindrical ferrule for rotary optical fiber switching Chisato Fukai, Ryo Koyama, Ikutaro Ogushi, Kazunori Katayama (NTT) OCS2023-81 OPE2023-125 |
It is expected to allocate routes flexibly to meet optical fiber demands in optical access network for 5G and 6G. The op... [more] |
OCS2023-81 OPE2023-125 pp.76-81(OCS), pp.96-101(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] |
2022-08-25 13:30 |
Online |
Online |
Multi-Fiber Cylindrical Ferrule for Remote Rotary Optical Fiber Switching Chisato Fukai, Yoshiteru Abe, Kazunori Katayama (NTT) OFT2022-6 |
We are studying the remote operated optical fiber switching node to allocate routes flexibly to meet optical fiber deman... [more] |
OFT2022-6 pp.1-6 |
OFT |
2022-01-20 16:10 |
Online |
Online |
Remote Operated Optical Fiber Switching Node and Optical Cross-Connect Function on Concatenated Loop Topology Hiroshi Watanabe, Tomohiro Kawano, Chisato Fukai, Ryo Koyama, Kazuhide Nakae, (NTT), Tatsuya Fujimoto (NTT East), Yoshiteru Abe, Kazunori Katayama (NTT) OFT2021-62 |
Due the popularization of future 5G and Beyond 5G, the concatenated loop topology is being studied as way of realizing h... [more] |
OFT2021-62 pp.36-41 |
OFT |
2021-05-13 14:45 |
Online |
Online |
Optical switch using rotation mechanism of multi-core fiber for remote operated optical fiber switching node Chisato Fukai, Yoshiteru Abe, Kazunori Katayama (NTT) OFT2021-4 |
We are studying concatenated loop topology and remote operated optical fiber switching node as optical access network fo... [more] |
OFT2021-4 pp.13-16 |
OFT |
2019-10-11 09:35 |
Niigata |
Ekimae-Office-Kashikaigishitsu (Niigata) |
Investigation into the influence of high-power transmission on fiber withdrawal of optical connector Chisato Fukai, Yoshiteru Abe, Masaaki Takaya, Ryo Koyama, Kazunori Katayama (NTT) OFT2019-32 |
In an optical connector manufactured by fixing silica fiber in a zirconia ferrule with an epoxy adhesive, a change in co... [more] |
OFT2019-32 pp.1-6 |
OFT |
2019-10-11 10:50 |
Niigata |
Ekimae-Office-Kashikaigishitsu (Niigata) |
A Study on High Precision Multiple-fiber Push-On Connector for Reference Connection Application Ryo Koyama, Yoshiteru Abe, Chisato Fukai, Masaaki Takaya (NTT) OFT2019-35 |
We developed single-mode multi-fiber push-on (MPO) connectors with splice losses below 0.2 dB for reference use in a sta... [more] |
OFT2019-35 pp.17-21 |
OPE, OCS, OFT (Joint) [detail] |
2018-02-16 14:20 |
Okinawa |
Okinawa Prefectural Museum |
A Study of Fiber Cleaving Technique Breaking Fiber with a Tension Force for a New Single-Fiber Cleaver utilized in Fiber Splicing Ryo Koyama, Chisato Fukai, Masaaki Takaya, Kazunori Katayama (NTT) OFT2017-78 OPE2017-186 |
(Advance abstract in Japanese is available) [more] |
OFT2017-78 OPE2017-186 pp.53-56(OFT), pp.91-94(OPE) |
OFT, OCS, IEE-CMN, ITE-BCT [detail] |
2017-11-24 10:45 |
Osaka |
Kansa-Univ. Umeda Campus |
Electrically driven multifiber switching technique employing MT ferrule with non-circle guide holes Chisato Fukai, Mitsuru Kihara, Ryo Koyama, Yoshiteru Abe, Masaaki Takaya, Kazunori Katayama (NTT) OFT2017-51 |
We studied multifiber switching technique which used switching connector and electrical driven equipment. The switching ... [more] |
OFT2017-51 pp.37-42 |
OCS, OFT, OPE (Joint) [detail] |
2017-02-17 15:20 |
Osaka |
Osaka Prefecture University(I-site Nanba) |
Novel equipment for inspecting fiber eccentricities in MT/MPO connector to enable high speed measurement Mitsuru Kihara, Ryo Koyama, Chisato Fukai, Kazunori Katayama, Toshio Kurashima (NTT) OFT2016-55 OPE2016-176 |
To achieve a low-loss multi-fiber connector such as MT or MPO connectors, it is important to inspect fiber eccentricitie... [more] |
OFT2016-55 OPE2016-176 pp.53-57(OFT), pp.83-87(OPE) |
OFT |
2017-01-20 14:35 |
Tokyo |
Kikaishinko Kaikan |
Investigation into the influence of high power transmission on joints between different types of fibers Chisato Fukai, Ryo Koyama, Yoshiteru Abe, Mitsuru Kihara, Kazunori Katayama (NTT) OFT2016-38 |
Cutoff shifted fiber (CSF) is a low loss and low nonlinear fiber compared with other kinds of fibers. Therefore, it is e... [more] |
OFT2016-38 pp.15-20 |
OFT |
2017-01-20 15:00 |
Tokyo |
Kikaishinko Kaikan |
Study on high fiber count single-mode optical fiber connector Ryo Koyama, Chisato Fukai, Mitsuru Kihara, Toshio Kurashima (NTT) OFT2016-39 |
According to the increase of optical transmission rate, the usage of single-mode optical fiber is increasing. For the ea... [more] |
OFT2016-39 pp.21-24 |
OFT |
2015-12-11 13:25 |
Tokyo |
The University of Electro-Communications (Tokyo) |
Investigation into the influence of high power transmission on MPO optical connector joints Chisato Fukai, Kotaro Saito, Ryo Koyama, Mitsuru Kihara, Toshio Kurashima (NTT) OFT2015-46 |
We report the influence of high-power optical transmission on 4-fiber MPO connectors. We investigated the relationship b... [more] |
OFT2015-46 pp.5-8 |
OCS, OFT, IEE-CMN, ITE-BCT (Joint) [detail] |
2015-11-13 13:00 |
Ehime |
Matsuyama Civic Center |
Investigation into fracture characteristics of optical fibers with various cracks and their inspection method Mitsuru Kihara, Kotaro Saito, Chisato Fukai, Ryo Koyama, Toshio Kurashima (NTT) OFT2015-42 |
The cracks on an optical fiber surface can grow with time and eventually lead to fiber breakage. We have investigated br... [more] |
OFT2015-42 pp.49-53 |
OFT, PEM (Joint) |
2015-05-22 13:30 |
Ishikawa |
|
A study of hole assisted type thin cladding fiber Yukihiro Goto, Kazuhide Nakajima, Chisato Fukai, Kotaro Saito, Toshio Kurashima (NTT) OFT2015-11 |
We examined the relationship between cladding diameter and cutoff wavelength on hole assisted optical fiber(HAF). We sho... [more] |
OFT2015-11 pp.49-52 |
ITE-BCT, OCS, OFT, IEE-CMN (Joint) [detail] |
2014-11-14 11:10 |
Hiroshima |
|
Novel optical connector switch based on MT multifiber connector technique Mitsuru Kihara, Tomoya Shimizu, Tomoaki Tanaka, Kotaro Saito, Chisato Fukai, Toshio Kurashima (NTT) OFT2014-42 |
We propose a novel optical connector switch that employs a manual guide-pin slide method in special guide holes in a nov... [more] |
OFT2014-42 pp.65-70 |
OFT |
2014-10-24 11:00 |
Hyogo |
|
Investigation into splice characteristics of optical connectors with dust for high power transmission Chisato Fukai, Tomoaki Tanaka, Kotaro Saito, Mitsuru Kihara, Toshio Kurashima (NTT) OFT2014-35 |
We report the condition that the connector and its adapter are damaged. We investigated the splice characteristics of op... [more] |
OFT2014-35 pp.63-68 |
OCS, OFT (Joint) |
2014-08-29 09:50 |
Hokkaido |
Kushiro Royal Inn |
A study of transmission characteristics of spiral optical cable Yukihiro Goto, Chisato Fukai, Kotaro Saito, Kazuhide Nakajima, Toshio Kurashima (NTT) OFT2014-17 |
An optical fiber cable with connector enables us to realize an easy optical wiring. However, the optical cable with pre-... [more] |
OFT2014-17 pp.9-12 |
OFT, OPE, OCS (Joint) [detail] |
2013-03-01 09:00 |
Tokyo |
|
Study of MPI characteristic in BIF Chisato Fukai, Kazuhide Nakajima, Yukihiro Goto, Kotaro Saito, Takashi Matsui (NTT) OFT2012-78 OPE2012-196 |
We investigated a multipath interference (MPI) characteristic of bending loss insensitive fibers (BIFs). We considered a... [more] |
OFT2012-78 OPE2012-196 pp.51-54 |
OPE, OFT |
2012-03-02 17:15 |
Tokyo |
|
MPI measurement for Bending-loss insensitive fibers Chisato Fukai, Kazuhide Nakajima, Takashi Matsui (NTT) OFT2011-86 OPE2011-212 |
We describe the measurement method of the multipath interference (MPI) characteristics in bending-loss insensitive fiber... [more] |
OFT2011-86 OPE2011-212 pp.65-68 |