Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
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 |
OCS, OFT, ITE-BCT, IEE-CMN (Joint) [detail] |
2013-11-21 16:15 |
Niigata |
Nagaoka University of Technology |
A Study Regarding the Time-delay Calibration for the Interruption-free Optical Access Line Transfer System Keiji Okamoto, Masaaki Inoue, Kazunori Katayama, Tetsuya Manabe (NTT) OFT2013-41 |
In order to realize an efficient operation for rearranging optical access lines, we have studied optical line switching ... [more] |
OFT2013-41 pp.25-30 |
OFT |
2013-10-24 17:30 |
Nara |
|
The Navigation System with Augmented Reality Technology using a Tablet Computer for Operation and Maintenance Work Ikutaro Ogushi, Kazunori Katayama, Tetsuya Manabe (NTT) OFT2013-32 |
(Advance abstract in Japanese is available) [more] |
OFT2013-32 pp.47-50 |
OFT, OCS (Joint) |
2013-08-23 09:00 |
Hokkaido |
|
Delay Measurement with High-Precision in a Wide-range between Duplicated Transmission Lines using Correlation Analysis and Phase-Frequency Detector Masaaki Inoue, Tetsuya Manabe, Kazutaka Noto, Nazuki Honda, Kazunori Katayama (NTT) OFT2013-16 |
Customers expect the real-time transmission of high-quality communications to continue uninterrupted. We have created a... [more] |
OFT2013-16 pp.17-20 |
OFT |
2013-01-24 16:50 |
Tokushima |
|
Hybrid Delay Adjustment Method for Optical Access Line Switching System Kazunori Katayama, Kazutaka Noto, Masaaki Inoue, Tetsuya Manabe, Yuji Azuma (NTT) OFT2012-60 |
In order to realize an efficient operation for optical access lines, we have studied optical line switching method witho... [more] |
OFT2012-60 pp.43-46 |
OFT, OCS, ITE-BCT, IEE-CMN (Joint) [detail] |
2012-11-21 16:50 |
Kumamoto |
|
Uninterruptible Optical Access Line Switching System using Electric Variable Delay Line Tetsuya Manabe, Kazutaka Noto, Kazunori Katayama, Masaaki Inoue, Yuji Azuma (NTT) OFT2012-46 |
An optical line switching method that does not interrupt communication is urged for an efficient field maintenance opera... [more] |
OFT2012-46 pp.23-26 |
OFT |
2012-10-26 09:25 |
Yamaguchi |
KAIKYO MESSE SHIMONOSEKI |
A study on the error-free optical access line switching technique using optical switches Kazutaka Noto, Masaaki Inoue, Nazuki Honda, Kazunori Katayama, Tetsuya Manabe, Yuji Azuma (NTT) OFT2012-41 |
We investigated a optical path length adjustment with series-connected optical switches to realize error-free optical li... [more] |
OFT2012-41 pp.47-50 |
OCS, OFT (Joint) |
2012-08-31 16:25 |
Hokkaido |
|
The Navigation System Using Augmented Reality Technology for Distribution Work Ikutaro Ogushi, Kazunori Katayama, Yuji Azuma (NTT) OFT2012-29 |
This paper proposes a new navigation system using augmented reality (AR) technology for distribution work in central off... [more] |
OFT2012-29 pp.55-60 |
OFT |
2009-05-28 17:15 |
Shizuoka |
|
Study of Error-Free Optical Line Switching Method for Ethernet Optical Access System Kazunori Katayama, Kuniaki Tanaka, Koichi Yoshida, Takeshi Tsujimura, Yuji Azuma, Masatoshi Shimizu (NTT Corp.) OFT2009-10 |
The optical line switching method avoiding service interruption has been required for network services mainly employed b... [more] |
OFT2009-10 pp.45-49 |