Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
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 |
OCS, OFT, LSJ (Joint) [detail] |
2016-08-26 12:15 |
Hokkaido |
Chitose-alcadia plaza |
Study of Branching Ratio of Optical Coupler for Cable Re-routing Operation Support System with No Service Interruption Hiroshi Watanabe, Kazutaka Noto, Yusuke Koshikiya, Tetsuya Manabe (NTT) OFT2016-14 |
The optical access network is becoming increasingly important as a social infrastructure because it is used for several ... [more] |
OFT2016-14 pp.15-20 |
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, OPE, OCS (Joint) [detail] |
2013-03-01 09:25 |
Tokyo |
|
Lateral test light injection tool for optical fiber identification Hidenobu Hirota, Tomohiro Kawano, Makoto Shimpo, Kazutaka Noto, Nazuki Honda, Tetsuya Manabe (NTT) OFT2012-79 OPE2012-197 |
Fiber idenfication is effective to unmistake the specific fiber in the access network. However, it is difficult to ident... [more] |
OFT2012-79 OPE2012-197 pp.55-58 |
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 |
OPE, OFT |
2012-03-02 16:15 |
Tokyo |
|
Optimized design of incoming light structure for coated fiber with local-light coupling technique Hidenobu Hirota, Kazutaka Noto, Nazuki Honda, Tetsuya Manabe, Yuji Azuma (former NTT) OFT2011-84 OPE2011-210 |
[more] |
OFT2011-84 OPE2011-210 pp.57-60 |
OFT |
2012-01-20 10:30 |
Kagawa |
|
Optical filter checking method for construction work in PON branching region using local-light coupling technique Nazuki Honda, Kazutaka Noto, Hidenobu Hirota, Tetsuya Manabe, Yuji Azuma (NTT) OFT2011-68 |
[more] |
OFT2011-68 pp.59-62 |
OFT |
2012-01-20 10:55 |
Kagawa |
|
Study on Traffic Monitor system using local-light coupling technique Kazutaka Noto, Nazuki Honda, Hidenobu Hirota, Tetsuya Manabe, Yuji Azuma (former NTT) OFT2011-69 |
[more] |
OFT2011-69 pp.63-66 |
OFT |
2011-05-26 13:50 |
Kagoshima |
|
Local-light Injection Coupling System Kazutaka Noto, Kuniaki Tanaka, Nazuki Honda, Tetsuya Manabe, Yuji Azuma (NTT) OFT2011-3 |
[more] |
OFT2011-3 pp.11-14 |
OFT, OPE |
2011-03-04 11:05 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
A study on the interruption-free optical access line transfer system using polarization-maintaining optical switches Koichi Yoshida, Kuniaki Tanaka, Kazutaka Noto, Tetsuya Manabe, Yuji Azuma (NTT) OFT2010-67 OPE2010-171 |
[more] |
OFT2010-67 OPE2010-171 pp.21-26 |
OCS, OFT (Joint) |
2010-08-26 15:05 |
Hokkaido |
Asahikawa Tokiwa Shimin Hall |
Reliability Improvement of Error-Free Optical Line Switching Technique
-- Reduction Method of Beat Noise Caused by Dualized Communication -- Kuniaki Tanaka, Koichi Yoshida, Kazutaka Noto, Tetsuya Manabe, Yuji Azuma (NTT Corp.) OFT2010-18 |
The method of switching the transmission line without interrupting service while temporarily dualing communication lines... [more] |
OFT2010-18 pp.11-16 |