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) |
CAS, CS |
2023-03-02 11:45 |
Fukuoka |
Kitakyushu International Conference Center (Primary: On-site, Secondary: Online) |
Study on firmware update in operation, management and maintenance functions for remote operated optical fiber switching node Saki Nozoe, Hiroshi Watanabe, Tomohiro Kawano, Ryo Koyama, Akihiro Kuroda, Kuniaki Terakawa, Ikutaro Ogushi, Kazunori Katayama (NTT) CAS2022-116 CS2022-93 |
Concatenated loop topology has been proposed for future optical-fiber access service such as 5G or beyond 5G networks. T... [more] |
CAS2022-116 CS2022-93 pp.119-122 |
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 |
OPE, OFT, OCS (Joint) [detail] |
2022-02-24 16:00 |
Online |
Online |
A study of optical power measurement using a infrared image sensor for a remote operated optical path switching node Ryo Koyama, Yoshiteru Abe, Kazunori Katayama (NTT) OFT2021-73 OPE2021-53 |
Optical access network is an important infrastructure of 5G mobile service and incoming Beyond 5G mobile service. These ... [more] |
OFT2021-73 OPE2021-53 pp.17-22(OFT), pp.21-26(OPE) |
OFT |
2022-01-20 15:45 |
Online |
Online |
Study on optical coupling technique based on optical fiber side-polishing without service interruption Takui Uematsu, Kazutaka Noto, Hiroyuki Iida, Hidenobu Hirota, Kazunori Katayama (NTT) OFT2021-61 |
We propose an optical coupler insertion technique based on fiber side-polishing that does not interrupt service. Experim... [more] |
OFT2021-61 pp.32-35 |
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 14:20 |
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 |
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 |
OPE, OCS, OFT (Joint) [detail] |
2021-02-19 11:40 |
Online |
Online |
Proposal of Remote Operated Optical Fiber Switching Node for Future Optical Access Network Tatsuya Fujimoto, Kawano Tomohiro, Kazuhide Nakae, Hiroshi Watanabe, Kazunori Katayama (NTT) OFT2020-67 OPE2020-88 |
We are studying concatenated loop topology as optical access network for beyond 5G with excellent reliability, tolerance... [more] |
OFT2020-67 OPE2020-88 pp.54-57(OFT), pp.59-62(OPE) |
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 |
2019-05-17 10:45 |
Osaka |
I-site NANBA |
20-year reliability test results for SC optical connectors on outside plant Yoshiteru Abe, Kota Shikama, Kazunori Katayama (NTT) OFT2019-22 |
Optical connectors are currently used in both indoor environments such as buildings and in outdoor equipment such as aer... [more] |
OFT2019-22 pp.93-96 |
OCS, OFT, LSJ (Joint) [detail] |
2018-08-31 11:20 |
Hokkaido |
Hakodate Hokuyo Building 8Kai Hall |
Optical Loss Characteristics of Ultra-high-density Cable and Dependency of Measured Lateral Pressure to Fibers in Cable-core Yusuke Yamada, Masashi Kikuchi, Junichi Kawataka, Hisashi Izumita, Kazunori Katayama, Hiroaki Tanioka (NTT) OFT2018-10 |
(Advance abstract in Japanese is available) [more] |
OFT2018-10 pp.19-23 |
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) |
OPE, OCS, OFT (Joint) [detail] |
2018-02-16 14:45 |
Okinawa |
Okinawa Prefectural Museum |
Study on applicability to maintenance and inspection work of 3D-based external-facility management technology
-- 3D-based External-Facility Management Technology Using Mobile Mapping System, 10th Report -- Masaki Waki, Takashi Goto, Kazunori Katayama (NTT) OFT2017-79 OPE2017-187 |
Service provided by FTTH is the transition from growth phase to maturity, in order to continue the stable service provid... [more] |
OFT2017-79 OPE2017-187 pp.57-60(OFT), pp.95-98(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 |
2016-10-14 09:30 |
Iwate |
MALIOS (Morioka City) |
[Invited Talk]
Study for the application to the maintenance and inspection work of the 3D-based external-facility management technology
-- 3D-based External-Facility Management Technology Using Mobile Mapping System, 7th Report -- Masaki Waki, Takashi Goto, Toshio Kurashima, Kazunori Katayama (NTT) OFT2016-22 |
Service provided by FTTH is the transition from growth phase to maturity, in order to continue the stable service provid... [more] |
OFT2016-22 pp.25-28 |
OPE, OCS, OFT (Joint) [detail] |
2015-02-19 16:25 |
Kagoshima |
|
Verification of Operating Procedures without Interrupting Service while Changing Optical Access Line Routes Masaaki Inoue, Takanori Kiyokura, Hidenobu Hirota, Tomohiro Kawano, Kazunori Katayama, Keiji Okamoto, Tetsuya Manabe (NTT) OFT2014-70 OPE2014-215 |
(Advance abstract in Japanese is available) [more] |
OFT2014-70 OPE2014-215 pp.71-76 |
OCS, OFT (Joint) |
2014-08-29 10:25 |
Hokkaido |
Kushiro Royal Inn |
Highly sensitive detection of fiber bending using 1-μm-band mode detection OTDR Atsushi Nakamura, Keiji Okamoto, Yusuke Koshikiya, Nobutomo Hanzawa, Kazunori Katayama, Tetsuya Manabe (NTT) OFT2014-18 |
Fiber bending can cause troubles in the optical networks due to a fiber loss increase. The potential fault location such... [more] |
OFT2014-18 pp.13-16 |