Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
OFT, OCS, LSJ (Joint) [detail] |
2023-08-25 10:55 |
Hokkaido |
(Primary: On-site, Secondary: Online) |
Ultrafast Measurement of Spatial Modes employing Two-dimensional Linear Optical Sampling Shuki Okamura, Kyogo Osawa, Chao Zhang, Fumihiko Ito (Shimane Univ.), Atsushi Nakamura, Yusuke Koshikiya (NTT) OFT2023-14 |
With the combination of linear optical sampling a low-speed photodiode array, we measured the two-dimensional complex am... [more] |
OFT2023-14 pp.27-31 |
ITE-BCT, OCS, IEE-CMN, OFT |
2022-11-11 14:15 |
Miyagi |
Forest-Sendai (Primary: On-site, Secondary: Online) |
Time-resolve constellation monitoring of quadrature amplitude modulation optical signals with time-and-frequency slicing-and-synthesizing method Tsubasa Fujiwara, Koji Igarashi (Osaka Univ), Fumihiko Ito (Shimane Univ) OCS2022-47 |
In coherent transmission systems, we require simple constellation monitoring of quadrature amplitude modulation (QAM) op... [more] |
OCS2022-47 pp.41-45 |
OFT |
2022-10-13 09:30 |
Kanagawa |
Kanagawa-Kenmin Center (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Dynamic strain measurement by OFDR employing high-speed wavelength-swept laser Ryota Ogu, Daiki Tanimura, Chao Zhang, Fumihiko Ito (Shimane Univ.), Yuichi Yoshimura, Hiroyuki Aoshika, Michio Imai (KAJIMA) OFT2022-23 |
We constructed an optical frequency domain reflectometry using a broadband, high-speed wavelength swept laser with a MEM... [more] |
OFT2022-23 pp.20-24 |
OFT |
2022-10-13 10:50 |
Kanagawa |
Kanagawa-Kenmin Center (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Bandwidth-by-band Measurement of Spatial-Mode Dispersion of Coupled 2-Core and 4-Core Fibers employing Linear Optical Sampling Shuki Okamura, Masafumi Uyama, Chao Zhang, Fumihiko Ito (Shimane Univ.), Atsushi Nakamura, Tatsuya Okamoto, Yusuke Koshikiya (NTT) OFT2022-30 |
The impulse responses of coupled 2-core and 4-core fibers with various fiber lengths were measured over a wide bandwidth... [more] |
OFT2022-30 pp.47-52 |
OCS, OFT, LSJ (Joint) [detail] |
2022-08-25 15:10 |
Online |
Online |
EDF laser displacement sensor based on bending characteristics of cascaded-chirped long-period fiber grating Koken Fukushima, Makoto Okano, Atsushi Wada, Satoshi Tanaka (NDA), Fumihiko Ito (Shimane Univ.) OFT2022-9 |
We have constructed an EDF laser in a sigma cavity configuration (EDFσL) using a double-pass cascaded-chirped long-perio... [more] |
OFT2022-9 pp.16-21 |
OFT |
2022-05-13 14:00 |
Aomori |
Aomori-Aspm Bldg (Primary: On-site, Secondary: Online) |
Measurement of Spatial-Mode Dispersion of Coupled 2-Core Fiber employing Linear Optical Sampling Masafumi Uyama, Shuki Okamura, Chao Zhang, Fumihiko Ito (Shimane Univ.), Atsushi Nakamura, Tatsuya Okamoto, Yusuke Koshikiya (NTT) OFT2022-3 |
The spatial mode dispersion of two types of coupled multicore fibers, one with a homogeneous core and the other with a h... [more] |
OFT2022-3 pp.11-15 |
OFT |
2021-10-14 10:30 |
Online |
Online |
[Poster Presentation]
Mutual interference suppression for FMCW LiDAR Akifumi Soma, Shota Araishi, Sougo Shimizu, Chao Zhang, Fumihiko Ito (Shimane Univ.) OFT2021-27 |
In this article, we outline mutual interference in frequency-modulated continuous-wave LiDAR and proposes a suppression ... [more] |
OFT2021-27 pp.23-28 |
OPE, OCS, OFT (Joint) [detail] |
2021-02-18 14:00 |
Online |
Online |
EDF laser using cascaded-chirped long period fiber grating in sigma configuration and its application to temperature sensing Koken Fukushima, Manuel Guterres Soares, Koki Nakaya, Atsushi Wada, Satoshi Tanaka (NDA), Fumihiko Ito (Shimane Univ.) OFT2020-56 OPE2020-76 |
We have constructed an EDF sigma laser (EDF$sigma$L) that employs a wavelength selection element consisting of a cascade... [more] |
OFT2020-56 OPE2020-76 pp.5-8 |
OPE, OCS, OFT (Joint) [detail] |
2021-02-19 10:50 |
Online |
Online |
Ultrafast measurement of complex modulation over entire C-band by using linear optical sampling Sougo Shimizu, Kaito kadobe, Fumihiko Ito (Shimane Univ.) OFT2020-65 OPE2020-86 |
[more] |
OFT2020-65 OPE2020-86 pp.44-49(OFT), pp.49-54(OPE) |
OFT, ITE-BCT, OCS, IEE-CMN [detail] |
2020-11-13 14:55 |
Online |
Online |
Notchless spectra realized by Brillouin optical correlation domain analysis using pulse train arranged at power intervals Daiki Miyake, Yudai Hattori, Fumihiko Ito (Shimane Univ.) OFT2020-41 |
A signal using pulse trains arranged at power intervals applicable to the correlation domain analysis is proposed. The a... [more] |
OFT2020-41 pp.21-26 |
OFT |
2020-10-08 09:10 |
Online |
Online |
[Poster Presentation]
Fabrication and elastic strain characteristics of cascaded long period fiber gratings Manuel Guterres Soares*, Koken Fukushima, Koki Nakaya, Atsushi Wada, Satoshi Tanaka (NDA), Fumihiko Ito (Shimane Univ.) OFT2020-11 |
We have proposed temperature and strain sensors based on cascaded chirped long period fiber gratings (C-CLPGs), which ar... [more] |
OFT2020-11 pp.8-12 |
OFT |
2020-10-08 14:25 |
Online |
Online |
[Tutorial Invited Lecture]
Research trends in optical fiber technologies
-- Review of last 10 years -- Fumihiko Ito (Shimane Univ.) OFT2020-24 |
The trend of optical fiber technology researches is overviewed by looking back on the activity of this research committe... [more] |
OFT2020-24 pp.60-61 |
OFT |
2020-05-15 09:00 |
Aomori |
Aomori Tourist Information Center ASPAM (Cancelled but technical report was issued) |
EDF ring laser using cascaded-chirped long period fiber grating and its application to temperature sensing Koken Fukushima, Bui Quoc Hung, Koki Nakaya, Manuel Guterres Soares, Atsushi Wada, Satoshi Tanaka (NDA), Fumihiko Ito (Shimane Univ.) OFT2020-1 |
We have proposed a novel erbium-doped fiber ring laser (EDFRL) using a cascaded-chirped long period fiber grating (C-CLP... [more] |
OFT2020-1 pp.1-4 |
OCS, ITE-BCT, OFT, IEE-CMN [detail] |
2019-11-22 09:55 |
Yamaguchi |
Kaikyo-Messe-Shimonoseki |
Comb-like Brillouin spectrum generated by pulse train arranged at power intervals Miyu Okawa, Shohei Kawakami, Daiki Miyake, Fumihiko Ito (Shimane Univ.) OFT2019-40 |
A correlation analysis method using short pulse trains arranged at power intervals as pump probe light is proposed. The ... [more] |
OFT2019-40 pp.23-27 |
OFT |
2019-05-16 14:00 |
Osaka |
I-site NANBA |
[Poster Presentation]
Measurement of spectral transfer matrix for DMD analysis by using linear optical sampling Yuki Osaka (Shimane Univ.), Fumihiko Ito, Daisuke Iida, Tetsuya Manabe (NTT) OFT2019-7 |
Mode-by-mode impulse responses, or spectral transfer matrix (STM) of birefringent fibers are measured by using linear op... [more] |
OFT2019-7 pp.29-32 |
ITE-BCT, OCS, OFT, IEE-CMN [detail] |
2018-11-09 09:20 |
Okayama |
Kurashiki-City-Geibunnkan |
Measurement of Spectral Transfer Matrix of 2-Mode Fibers by Using Coherent Linear Optical Sampling Takuya Arakawa, Fumihiko Ito (Shimane Univ.), Daisuke Iida, Tetsuya Manabe (NTT) OFT2018-56 |
(Advance abstract in Japanese is available) [more] |
OFT2018-56 pp.49-53 |
ITE-BCT, OCS, OFT, IEE-CMN [detail] |
2018-11-09 09:45 |
Okayama |
Kurashiki-City-Geibunnkan |
Fabrication of fiber optic laser using cascaded long period fiber grating as wavelength selection element Koken Fukushima, Hayato Takeyama, Bui Quoc Hung, Atsushi Wada, Satoshi Tanaka, Nobuaki Takahashi (NDA), Fumihiko Ito (Shimane Univ.) OFT2018-57 |
A novel optical fiber ring laser have been fabricated by using a cascaded long-period fiber grating (C-CLPG) as a wavele... [more] |
OFT2018-57 pp.55-59 |
OFT |
2018-10-11 16:00 |
Miyagi |
Touhoku Univ. |
[Poster Presentation]
High Dynamic Range charactarization of intensity modulator by using linear optical sampling with amplitude averaging Junya Sunagawa, Fumihiko Ito (Shimane Univ.), Daisuke Iida, Tetsuya Manabe (NTT) OFT2018-49 |
[more] |
OFT2018-49 pp.163-166 |
OFT, OCS, IEE-CMN, ITE-BCT [detail] |
2017-11-24 10:20 |
Osaka |
Kansa-Univ. Umeda Campus |
High time resolution individual measurement of inter core delay differences by linear optical sampling Takuya Arakawa, Naoto Kono, Fumihiko Ito (Shimane Univ.), Daisuke Iida, Tetsuya Manabe (NTT) OFT2017-50 |
(Advance abstract in Japanese is available) [more] |
OFT2017-50 pp.33-36 |
OFT, OCS, LSJ (Joint) [detail] |
2017-08-31 13:15 |
Hokkaido |
Hokkaido Univ. |
Single-way Inter-modal Crosstalk Distribution Measurement in Spliced FMFs based on Stimulated Brillouin Scattering Hiroshi Takahashi, Chihiro Kito, Kunihiro Toge, Tetsuya Manabe (NTT), Fumihiko Ito (Shimane Univ.) OFT2017-24 |
A space division multiplexing (SDM) transmission system has been intensively studied for large capacity optical communic... [more] |
OFT2017-24 pp.1-4 |