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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| OFT | 2012-01-19 14:20 |
Kagawa | [Invited Talk]
International Standardization Trend on Optical Fiber and Related Technologies Kazuhide Nakajima, Noriyuki Araki, Yusuke Koshikiya (NTT)  OFT2011-57 |
This paper reviews recent international standardization work under ITU-T responsibility with respect to an optical fiber... [more] | OFT2011-57 pp.11-14 |
|
| OFT | 2012-01-20 11:20 |
Kagawa | Compact and Large Capacity Optical Identification Device for Optical Fiber Line Management Yusuke Koshikiya, Noriyuki Araki, Chihiro Kito, Fumihiko Ito (NTT) OFT2011-70 |
[more] | OFT2011-70 pp.67-70 |
|
| OCS, OFT, ITE-BCT, IEE-CMN (Joint) [detail] |
2011-11-17 15:00 |
Shimane | Shimane Univ. | Coherence characterization of narrow-linewidth beam by speckle statistical analysis Masaaki Inoue, Yusuke Koshikiya, Xinyu Fan, Fumihiko Ito (NTT) OFT2011-47 |
A novel method for characterizing the amplitude of a coherence function with respect to a delay between two optical wave... [more] | OFT2011-47 pp.1-4 |
| OFT | 2011-10-20 16:25 |
Nagano | Measurement of Long-haul Optical Amplifier Submarine Cable System by Coherent OTDR Employing Frequency Division Multiplexing Hiroyuki Iida, Yusuke Koshikiya, Fumihiko Ito, Kuniaki Tanaka (NTT) OFT2011-38 |
We have proposed a high sensitivity coherent optical time domain reflectometry employing frequency division multiplexing... [more] | OFT2011-38 pp.35-40 |
|
| OFT, OCS (Joint) |
2011-08-26 14:55 |
Hokkaido | Centimeter-level spatial resolution over 40 km realized by bandwidth-division phase-noise-compensated OFDR Xinyu Fan, Yusuke Koshikiya, Fumihiko Ito (NTT) OFT2011-27 |
We present a bandwidth-division phase-noise-compensated optical frequency domain reflectometry (PNC-OFDR) technique, whi... [more] | OFT2011-27 pp.53-58 |
|
| OFT | 2011-01-27 16:25 |
Nagasaki | Fading noise suppression in OFDR by optical frequency comb and variable delay line Takushi Kazama, Zuyuan He (Univ. Tokyo), Yusuke Koshikiya, Xinyu Fan, Fumihiko Ito (NTT), Kazuo Hotate (Univ. Tokyo) OFT2010-54 |
Optical reflectometry is a technique for distributed measurements which gives the profile of reflections and backscatter... [more] | OFT2010-54 pp.37-42 |
|
| ITE-BCT, OCS, OFT, IEE-CMN (Joint) [detail] |
2010-11-19 09:50 |
Osaka | SEI Ikoma Seminar House | Measurement of high-birefringence section for terrestrial optical link length using PNC-OFDR Xinyu Fan, Yusuke Koshikiya, Fumihiko Ito (NTT) OCS2010-95 |
For installed optical fiber cables, there exist a lot of such cases: if one part of section has high polarization mode d... [more] | OCS2010-95 pp.35-40 |
| LQE, OPE, OCS | 2010-10-29 17:20 |
Fukuoka | Mojiko Retro Town, Minato house | Characteristics of PNC-OFDR in acoustic noise environment Yusuke Koshikiya, Xinyu Fan, Fumihiko Ito (NTT) OCS2010-87 OPE2010-123 LQE2010-96 |
[more] | OCS2010-87 OPE2010-123 LQE2010-96 pp.177-182 |
| OCS, OFT (Joint) |
2010-08-27 09:10 |
Hokkaido | Asahikawa Tokiwa Shimin Hall | cm-level Resolution Reflectometry over 10-km Range with Phase Noise and Chromatic Dispersion Simultaneous Compensation Yusuke Koshikiya, Xinyu Fan, Fumihiko Ito (NTT Corp.), Zuyuan He, Kazuo Hotate (The Univ. of Tokyo) OCS2010-45 |
(Advance abstract in Japanese is available) [more] | OCS2010-45 pp.53-58 |
| OFT | 2010-05-28 10:45 |
Hiroshima | tomo-kouminkan | Ultra High Dynamic Range Coherent Optical Time Domain Reflectometry Employing Frequency Division Multiplexing Hiroyuki Iida, Yusuke Koshikiya, Fumihiko Ito, Kuniaki Tanaka (NTT Corp.) OFT2010-13 |
We report ultra high dynamic range coherent optical time domain reflectometry employing frequency division multiplexing ... [more] | OFT2010-13 pp.63-66 |
| OPE, OFT | 2010-02-26 17:15 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Phase noise compensated optical frequency domain reflectometry with higher spatial resolution Yusuke Koshikiya, Xinyu Fan, Fumihiko Ito (NTT Corp.) OFT2009-94 OPE2009-235 |
[more] | OFT2009-94 OPE2009-235 pp.59-62 |
| OFT | 2010-01-22 10:35 |
Okinawa | Distributed measurement of high PMD fibers realized using full polarimetric phase-noise-compensated optical frequency domain reflectometry Xinyu Fan, Yusuke Koshikiya, Fumihiko Ito (NTT) OFT2009-79 |
Polarization mode dispersion (PMD) is now becoming the main limit factor for system performances in optical communicatio... [more] | OFT2009-79 pp.95-98 |
|
| OFT, OCS (Joint) |
2009-08-27 09:50 |
Hokkaido | Limitation factor of spatial resolution for 40 km range measurement with PNC-OFDR Yusuke Koshikiya, Xinyu Fan, Fumihiko Ito (NTT Corp.) OCS2009-30 |
We show that the dominant noise of long range optical frequency domain reflectometry (OFDR) after compensation process f... [more] | OCS2009-30 pp.5-10 |
|
| OFT | 2009-05-29 11:00 |
Shizuoka | Realization of 10cm spatial resolution and 15km measurement range by using phase-noise compensated optical frequency domain reflectometry Xinyu Fan, Yusuke Koshikiya, Fumihiko Ito (NTT) OFT2009-14 |
We show that the noise of long range optical frequency domain reflectometry (OFDR) after compensating for the phase nois... [more] | OFT2009-14 pp.67-70 |
|
| OFT, OCS, ITE-BCT, IEE-CMN (Joint) [detail] |
2008-11-20 18:40 |
Oita | Polarization evolution of backscattered lightwave in high-PMD fibers measured by phase-noise compensated optical frequency domain reflectometry Xinyu Fan, Yusuke Koshikiya, Fumihiko Ito (NTT) OCS2008-96 |
Polarization mode dispersion (PMD) is now becoming the ultimate limit for system performances in optical communication s... [more] | OCS2008-96 pp.67-70 |
|
| OCS, OFT (Joint) |
2008-08-29 14:55 |
Hokkaido | 40-km Range, 1-m Resolution Measurement employing Phase-noise-compensated C-OFDR Yusuke Koshikiya, Xinyu Fan, Fumihiko Ito (NTT) OCS2008-46 |
We demonstrated long range and highly sensitive measurement with a high spatial resolution based on phase noise compensa... [more] | OCS2008-46 pp.69-72 |
|
| OFT, OCS (Joint) |
2007-08-24 11:20 |
Hokkaido | Measurement of Rayleigh Backscattering by Highly Sensitive SSB-OFDR with High Spatial Resolution over 5 km Yusuke Koshikiya, Xinyu Fan, Fumihiko Ito (NTT) OFT2007-27 |
We report the long range and high spatial resolution measurement of Rayleigh backscatter by using coherent optical frequ... [more] | OFT2007-27 pp.71-76 |
|
| OFT | 2007-05-25 11:10 |
Kagoshima | Novel optical frequency domain reflectometry with measurement range beyond laser coherence length by using concatenative reference method Xinyu Fan, Yusuke Koshikiya, Fumihiko Ito (NTT) OFT2007-13 |
Coherent optical frequency domain reflectometry (C-OFDR) shows promise as a powerful tool for the maintenance of optical... [more] | OFT2007-13 pp.61-66 |
|
| OFT | 2007-01-26 09:15 |
Mie | High spatical resolution measurement using an OTDR enhanced with a dead-zone-free signal analysis method Noriyuki Araki (NTT), Hisashi Izumita (NTT East), Yusuke Koshikiya (NTT) OFT2006-63 |
In the FTTH era, we must provide effective and efficient maintenance for optical cable networks. With a view to realizin... [more] | OFT2006-63 pp.57-60 |
|
| OFT | 2005-03-04 16:05 |
Tokyo | Kikai-Shinko-Kaikan Bldg | Design of testing wavelength for optical fiber line testing system for PON Yusuke Koshikiya, Noriyuki Araki, Hisashi Izumita, Fumihiko Ito, Masahito Arii (NTT) |
This paper describes a new design for an optical fiber line testing system that employs bidirectional OTDR with two diff... [more] | OFT2004-123 pp.37-42 |
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