Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
OFT |
2013-01-24 13:50 |
Tokushima |
|
Study for Fiber Identification Signal Input Part with Local Injection Technique Makoto Shimpo, Hidenobu Hirota, Nazuki Honda, Tomohiro Kawano, Tetsuya Manabe, Yuji Azuma (NTT) OFT2012-54 |
This paper discuss a method for using the fiber identification located longer direction in access network. We propose th... [more] |
OFT2012-54 pp.9-12 |
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 09:00 |
Yamaguchi |
KAIKYO MESSE SHIMONOSEKI |
Cable transfer system Using Local Injection and Detection Technique Nazuki Honda, Tomohiro Kawano, Hidenobu Hirota, Makoto Shimpo, Tetsuya Manabe, Yuji Azuma (NTT) OFT2012-40 |
[more] |
OFT2012-40 pp.43-46 |
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 |
OFT |
2012-10-26 10:30 |
Yamaguchi |
KAIKYO MESSE SHIMONOSEKI |
Cord identification technique using higher order guiding modes of visible light for low bending loss fibers Lin Ma, Kyozo Tsujikawa, Shinichi Aozasa, Yuji Azuma (NTT) OFT2012-43 |
We propose a cord identification technique for ultra-low bending loss fiber using higher order modes of visible light. T... [more] |
OFT2012-43 pp.55-60 |
OCS, OFT (Joint) |
2012-08-31 10:50 |
Hokkaido |
|
Wideband WDM Coherent Optical MIMO Transmission over Graded-Index Multi-mode Fiber by Using Selective Mode Excitation Takayoshi Mori, Taiji Sakamoto, Takashi Yamamoto, Yuji Azuma (NTT) OCS2012-35 |
We proposed a selective mode excitation technique to reduce MIMO DSP for a WDM MIMO system. We show numerically that we ... [more] |
OCS2012-35 pp.37-42 |
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 |
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 |
2012-01-20 11:45 |
Kagawa |
|
A study of resilient FTTH network architecture
-- Ladder networks based on hybrid WDM/TDM-PON -- Makoto Tsubokawa, Takashi Kido (Waseda Univ.), Nazuki Honda, Yuji Azuma (NTT) OFT2011-71 |
Resilient FTTH architecture with a cable-route protection function is proposed. The ladder network based on hybrid WDM/T... [more] |
OFT2011-71 pp.71-76 |
OFT, OCS (Joint) |
2011-08-25 16:30 |
Hokkaido |
|
Location and Facility Database-Free Maintenance System for Optical Fiber Network employing GE-PON packets capture Nazuki Honda, Tetsuya Manabe, Satoshi Shimazu, Yuji Azuma (NTT) OFT2011-20 |
We propose a maintenance system without a facility database for locating faults with high accuracy in optical fiber line... [more] |
OFT2011-20 pp.21-24 |
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 |
OFT |
2011-01-28 11:25 |
Nagasaki |
|
Investigation of endface sealing technique for Hole-assisted fiber by using CO2 laser Masaki Waki, Yuji Azuma (NTT) OFT2010-61 |
[more] |
OFT2010-61 pp.71-74 |
ITE-BCT, OCS, OFT, IEE-CMN (Joint) [detail] |
2010-11-19 10:30 |
Osaka |
SEI Ikoma Seminar House |
Facility Database-Free Maintenance System for Optical Fiber Network Combined with GE-PON OAM Function Nazuki Honda (NTT), Hiroshi Watanabe (NTT East), Noriyuki Araki, Yuji Azuma (NTT) OFT2010-43 |
[more] |
OFT2010-43 pp.25-28 |
OFT |
2010-10-25 10:30 |
Saitama |
Nippon Institute of Technology |
Highly reliable optical fiber distribution facilities in central office employing single-mode hole-assisted fiber cord Shinichi Aozasa, Yoshitaka Enomoto, Hiroyuki Oohashi, Yuji Azuma (NTT) OFT2010-28 |
We realized single-mode hole-assisted optical fiber (HAF) cord whose fiber has a superior bending loss characteristic th... [more] |
OFT2010-28 pp.1-6 |
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 |
OFT |
2010-05-27 13:00 |
Hiroshima |
tomo-kouminkan |
Detection Technique for Optical Fiber Store using Polarization Power Analysis Masaaki Inoue, Nazuki Honda, Noriyuki Araki, Yuji Azuma (NTT) OFT2010-1 |
We proposed a new method for locating an optical fiber store using polarization power analysis. We calculated and measur... [more] |
OFT2010-1 pp.1-5 |