IEICE Technical Committee Submission System
Conference Schedule
Online Proceedings
[Sign in]
Tech. Rep. Archives
    [Japanese] / [English] 
( Committee/Place/Topics  ) --Press->
 
( Paper Keywords:  /  Column:Title Auth. Affi. Abst. Keyword ) --Press->

All Technical Committee Conferences  (All Years)

Search Results: Conference Papers
 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 13 of 13  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
OFT 2019-01-17
13:45
Kagoshima Tanegashima space center, Nishinoomote Civic Hall A Technique for Measuring Modal Crosstalk at Splice Position Using 1-um-band Mode-Detection Optical Time Domain Reflectometry
Atsushi Nakamura, Keiji Okamoto, Tomokazu Oda (NTT) OFT2018-62
We have proposed an optical time domain reflectometry (OTDR) that offers high-sensitivity detection of optical loss incr... [more] OFT2018-62
pp.5-8
OCS, OFT, LSJ
(Joint) [detail]
2016-08-26
09:55
Hokkaido Chitose-alcadia plaza Mode field diameter of LP11 mode for estimating coupling efficiencies at a splice and its measurement technique
Atsushi Nakamura, Keiji Okamoto, Yusuke Koshikiya, Tetsuya Manabe (NTT) OFT2016-12
In mode division multiplexing transmission using few-mode fibers (FMFs), the losses and mode crosstalk that occur at spl... [more] OFT2016-12
pp.5-10
OFT 2015-12-11
14:25
Tokyo The University of Electro-Communications (Tokyo) Identification of loss factors using 1-um-band mode-detection OTDR
Atsushi Nakamura, Keiji Okamoto, Yusuke Koshikiya, Tetsuya Manabe, Manabu Oguma, Toshikazu Hashimoto, Mikitaka Itoh (NTT) OFT2015-48
Optical fiber cables exposed to long-term severe environmental conditions can cause loss increases due to deterioration.... [more] OFT2015-48
pp.13-16
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 2011-01-27
17:15
Nagasaki   Rapid Mueller Matrix and PMD Characterization Based on Time-resolved Analysis of Pol-mux Signals
Keiji Okamoto, Xinyu Fan, Tatsuya Okamoto, Fumihiko Ito, Yohei Sakamaki, Toshikazu Hashimoto (NTT) OFT2010-56
 [more] OFT2010-56
pp.47-50
ITE-BCT, OCS, OFT, IEE-CMN
(Joint) [detail]
2010-11-19
09:25
Osaka SEI Ikoma Seminar House The impact of nonlinear optical effect in PMD measurement by linear optical sampling
Tatsuya Okamoto, Keiji Okamoto, Xinyu Fan, Fumihiko Ito (NTT) OCS2010-94
In optical communication systems which has over 40Gb/s transmission speeds, polarization mode dispersion (PMD) becomes a... [more] OCS2010-94
pp.29-34
OCS, NS, PN
(Joint)
2010-06-25
09:45
Akita Akita University Channel-allocation-adaptive WDM Signal Observation Based on Sequential Ultrafast Field Sampling
Keiji Okamoto, Fumihiko Ito, Yohei Sakamaki, Toshikazu Hashimoto (NTT Corp.) OCS2010-19
This paper describes a novel measurement technology, based on sequential ultrafast field sampling incorporating digital ... [more] OCS2010-19
pp.49-54
OFT, OCS, IEE-CMN, ITE-BCT
(Joint) [detail]
2009-11-26
17:15
Fukushima   Complete Characterization of PMD Vector through Time-resolved Waveform Analysis Based on xy-field Sampling
Keiji Okamoto, Fumihiko Ito (NTT) OCS2009-91
The techniques for the measurement of polarization-mode dispersion (PMD) are of growing importance as fiber-optic commun... [more] OCS2009-91
pp.51-56
OFT 2009-01-22
14:20
Kochi   Simultaneous WDM Signal Detection Realized by Ultrafast Field Sampling
Keiji Okamoto, Fumihiko Ito (NTT) OFT2008-73
 [more] OFT2008-73
pp.11-16
OFT, OCS
(Joint)
2007-08-23
14:30
Hokkaido   Amplitude and phase statistics of optical DPSK signal measured by 1-bit delayed dual-channel coherent sampling technique
Keiji Okamoto, Fumihiko Ito (NTT) OFT2007-14
As the optical phase-shift keying is being introduced in high-speed optical transmission system, threre is growing impor... [more] OFT2007-14
pp.1-6
OFT 2006-03-03
14:50
Tokyo   Measurement of super-high-speed amplitude, frequency wave form by linear sampling methodology
Keiji Okamoto, Fumihiko Ito (NTT)
 [more] OFT2005-89
pp.19-23
 Results 1 - 13 of 13  /   
Choose a download format for default settings. [NEW !!]
Text format pLaTeX format CSV format BibTeX format
Copyright and reproduction : All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)


[Return to Top Page]

[Return to IEICE Web Page]


The Institute of Electronics, Information and Communication Engineers (IEICE), Japan