| IEICE Technical Committee Submission System Conference Schedule |
Online Proceedings [Sign in] Tech. Rep. Archives |
All Technical Committee Conferences (Searched in: All Years)
| 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 |
|
[Return to Top Page]