Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
OFT |
2017-05-25 15:40 |
Shimane |
Shimane Univ. (Matsue campus) |
[Poster Presentation]
Brillouin Spectra in GeO2-doped 2 mode optical fibers and application to distributional estimation of effective refractive index differences Yusuke Sagisaka, Masashi Yokota, Fumihiko Ito (Shimane Univ.), Ryo Maruyama, Nobuo Kuwaki (Fujikura) OFT2017-8 |
(Advance abstract in Japanese is available) [more] |
OFT2017-8 pp.35-40 |
OFT |
2017-05-25 16:50 |
Shimane |
Shimane Univ. (Matsue campus) |
[Poster Presentation]
High dynamic range impulse response measurement of 4-core optical fiber by phase noise compensation linear optical sampling Takuya Arakawa, Yusuke Sagisaka, Naoto Kono, Fumihiko Ito (Shimane Univ.), Daisuke Iida, Tetsuya Manabe (NTT) OFT2017-16 |
(Advance abstract in Japanese is available) [more] |
OFT2017-16 pp.71-75 |
OFT, OCS, IEE-CMN, ITE-BCT [detail] |
2016-11-11 13:35 |
Nagasaki |
Nagasaki Shoko Kaigi Sho |
High Dynamic Range Linear Optical Sampling with Coherence Recovery for Measuring Fiber Impulse Response Measurement Naoto Kono, Fumihiko Ito (Shimane Univ.), Daisuke Iida, Tetsuya Manabe (NTT) OFT2016-33 |
Linear optical sampling is an optical sampling technique which uses interference between signal pulses and local pulses,... [more] |
OFT2016-33 pp.45-50 |
OFT |
2015-12-11 15:15 |
Tokyo |
The University of Electro-Communications (Tokyo) |
High resolution DMD measurement of two-mode fibers by using linear optical sampling Naoto Kono, Fumihiko Ito (Shimane Univ.), Ryo Maruyama, Shoichiro Matsuo (Fujikura) OFT2015-50 |
(Advance abstract in Japanese is available) [more] |
OFT2015-50 pp.23-28 |
OCS, OFT, IEE-CMN, ITE-BCT (Joint) [detail] |
2015-11-13 13:50 |
Ehime |
Matsuyama Civic Center |
Phase Noise Compensation in Linear Optical Sampling with Two Independent Pulse Lasers Fumihiko Ito, Naoto Kono (Shimane Univ.), Daisuke Iida, Tetsuya Manabe (NTT) OFT2015-44 |
(Advance abstract in Japanese is available) [more] |
OFT2015-44 pp.61-66 |
ITE-BCT, OCS, OFT, IEE-CMN (Joint) [detail] |
2014-11-13 15:40 |
Hiroshima |
|
Applicability of End Reflection Assisted Brillouin Analysis to Broken PON Monitoring Chihiro Kito, Hiroshi Takahashi, Kunihiro Toge, Tetsuya Manabe (NTT), Fumihiko Ito (Shimane Univ.) OFT2014-40 |
(Advance abstract in Japanese is available) [more] |
OFT2014-40 pp.15-18 |
OFT |
2014-10-23 16:15 |
Hyogo |
|
High Reliability Branched Fiber Sensing with Multi-probe Pulse End-reflection Assisted Brillouin Analysis Chihiro Kito (NTT), Fumihiko Ito (Shimane Univ.), Hiroshi Takahashi, Kunihiro Toge, Tetsuya Manabe (NTT) OFT2014-29 |
Recently, we proposed end-reflection assisted Brillouin analysis to aim for monitoring branched fiber loss distribution ... [more] |
OFT2014-29 pp.33-38 |
OCS, OFT, ITE-BCT, IEE-CMN (Joint) [detail] |
2013-11-22 11:40 |
Niigata |
Nagaoka University of Technology |
Acoustic Perturbation Compensated Coherent OTDR with Spectrum Monitoring of the Rayleigh Backscattering Hiroyuki Iida, Kunihiro Toge, Fumihiko Ito (NTT) OFT2013-45 |
(Advance abstract in Japanese is available) [more] |
OFT2013-45 pp.49-52 |
OFT |
2013-10-24 16:40 |
Nara |
|
Splice Loss Measurement Using End-reflection Assisted Brillouin Analysis Hiroshi Takahashi, Kunihiro Toge, Fumihiko Ito, Chihiro Kito (NTT) OFT2013-30 |
In deployed FTTH networks, bending insensitive fibres (BIFs) standardized by ITU-T G. 657 have been employed to optimise... [more] |
OFT2013-30 pp.39-42 |
OFT, OCS (Joint) |
2013-08-23 09:25 |
Hokkaido |
|
End Reflection Assisted Brillouin Analysis for Monitoring PONs with Frequency-coded Pulse Train Chihiro Kito, Fumihiko Ito, Hiroshi Takahashi, Kunihiro Toge (NTT) OFT2013-17 |
We have proposed a PON fault location technique that uses end reflection beam and Brillouin gain analysis, which can loc... [more] |
OFT2013-17 pp.21-24 |
OFT |
2013-05-23 14:00 |
Okinawa |
|
High density FDM-OTDR with apodization of the probe pulse and suppression of the nonlinear effect Hiroyuki Iida, Kunihiro Toge, Fumihiko Ito (NTT) OFT2013-1 |
We have developed a high sensitivity coherent optical time domain reflectometry employing frequency division
multiplexi... [more] |
OFT2013-1 pp.1-4 |
OFT |
2013-01-25 10:15 |
Tokushima |
|
Characterization of phase noise of low noise laser using parallel linear optical sampling Tatsuya Okamoto, Masaaki Inoue, Fumihiko Ito (NTT) OFT2012-65 |
[more] |
OFT2012-65 pp.63-66 |
OFT |
2012-10-26 09:50 |
Yamaguchi |
KAIKYO MESSE SHIMONOSEKI |
Individual Distribution Measurement in 32-branched PON Using Pulsed-Pump-Probe Brillouin Gain Analysis Hiroshi Takahashi, Xinyu Fan, Fumihiko Ito (NTT) OFT2012-42 |
A fault location technique for PONs is essential for improving the service reliability of optical fiber networks. OTDR i... [more] |
OFT2012-42 pp.51-54 |
OPE, OFT |
2012-03-02 10:55 |
Tokyo |
|
Individual Distribution Measurement in PON Using Pulsed-Pump-Probe Brillouin Gain Analysis Hiroshi Takahashi, Xinyu Fan, Yusuke Koshikiya, Fumihiko Ito (NTT) OFT2011-76 OPE2011-202 |
A fault location technique for PONs is essential for improving the service reliability of optical fiber networks. OTDR i... [more] |
OFT2011-76 OPE2011-202 pp.19-22 |
OPE, OFT |
2012-03-02 11:20 |
Tokyo |
|
Simultaneous DPSK dense WDM monitoring using linear optical sampling Tatsuya Okamoto, Fumihiko Ito, Yohei Sakamaki, Toshikazu Hashimoto (NTT) OFT2011-77 OPE2011-203 |
Each channel of WDM signal can be measured using linear optical sampling which measure a total electrical field of WDM s... [more] |
OFT2011-77 OPE2011-203 pp.23-26 |
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 |