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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 67  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
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
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
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