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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| OFT | 2022-10-14 14:30 |
Kanagawa | Kanagawa-Kenmin Center (Primary: On-site, Secondary: Online) |
Highly sensitive ammonia gas detection using hollow-optical-fiber gas cell for mid-infrared light Yusaku Omura, Saiko Kino, Yuji Matsuura (Tohoku Univ.)  OFT2022-34 |
Mid-infrared absorption spectroscopy using a hollow-optical-fiber gas cell was used to detect minute concentrations of a... [more] | OFT2022-34 pp.67-72 |
| 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 | 2022-01-20 14:55 |
Online | Online | Study on optical tap waveguide with tunable wavelength and branching property Yoko Yamashita, Takayoshi Mori, Takashi Matsui, Kazuhide Nakajima (NTT) OFT2021-59 |
We propose optical tap waveguide with tunable wavelength and branching property by inscribing long period fiber grating ... [more] | OFT2021-59 pp.21-26 |
| OFT | 2021-10-14 14:55 |
Online | Online | Multipoint vibration sensing using low-reflective FBG-FPIs
-- study of measurement speed -- Atsushi Wada, Koki Nakaya, Koken Fukushima, Satoshi Tanaka (NDA) OFT2021-43 |
A Fabry Perot interferometer (FPI) consisting of low reflective fiber Bragg gratings (FBG) has a spectrum with a sinusoi... [more] | OFT2021-43 pp.85-88 |
| OFT, OCS, LSJ (Joint) [detail] |
2021-08-26 13:55 |
Online | Online | [Invited Talk]
Generation and their application of optical pulses using optical fibers Minoru Yoshida, Makoto Miyazaki, Hidetoshi Fujisawa, Kei Nishibayashi (Kindai Univ.), Shota Sekiguchi (Optoquest) OFT2021-13 |
Optical fibers are flexible waveguides with restricted transverse modes, which provide a stable and high beam quality. O... [more] | OFT2021-13 pp.7-12 |
| OFT, OCS, LSJ (Joint) [detail] |
2021-08-26 14:45 |
Online | Online | A method for continuously measuring backscattered light at an arbitrary point on an optical fiber Shiro Ryu (Meiji Univ.), Takafumi Tsuboya (SECOM) OFT2021-14 |
We have proposed a continuous measurement method for Rayleigh backscattered light in the time domain at any point on the... [more] | OFT2021-14 pp.13-18 |
| OFT | 2021-05-14 14:10 |
Online | Online | Fabrication of a Small-bore Hollow Fiber Tip Based on Stainless Tube for CO2 Laser Katsumasa Iwai, Hiroyuki Takaku (National Institute of Tech., Sendai College), Mitsunobu Miyagi (Tohoku Institute of Tech.) OFT2021-8 |
As a hollow fiber for endoscopic treatment, we have fabricated a hollow fiber using a stainless steel tube as a base mat... [more] | OFT2021-8 pp.31-35 |
| OFT | 2021-05-14 14:45 |
Online | Online | Optically-generated microwave detection by electric field sensor using Mach-Zehnder interferometer Tomoyuki Uehara, Matsumoto Minagi, Kenichiro Tsuji (NDA) OFT2021-9 |
A microwave is generated by optical beat of two lasers connected with optical fibers for the purpose of transmitting and... [more] | OFT2021-9 pp.36-39 |
| WBS, IT, ISEC | 2021-03-04 15:20 |
Online | Online | On Some Principles of Security Analysis for Physical-Ciphered Communication Systems Kentaro Kato (Tamagawa Univ.) IT2020-136 ISEC2020-66 WBS2020-55 |
This paper discusses the way to the security analysis of physical-ciphered communication systems that actively utilize o... [more] | IT2020-136 ISEC2020-66 WBS2020-55 pp.146-151 |
| PN | 2021-03-02 10:25 |
Online | Online | Suppression of Signal Degradation in Optically Powered Radio-over-Fiber Using a Multi-mode Fiber Yoshiaki Kawamura, Motoharu Matsuura (UEC) PN2020-51 |
In optically powered radio-over-fiber using multimode fibers, signal quality is degraded by crosstalk between data signa... [more] | PN2020-51 pp.58-61 |
| PN | 2021-03-02 11:15 |
Online | Online | Delivered Electric Power Improvement of Optically Powered Radio-over-Fiber Systems Using a Double-Clad Fiber Hayato Nomoto, Hikaru Mamiya, Tadanobu Higuchi, Motoharu Matsuura (Univ. of Electro-Commun.), Denis Masson, Simon Fafard (Broadcom) PN2020-53 |
We experimentally demonstrate a simultaneous transmission of up to 43.7-W electric power and bidirectional radio-over-fi... [more] | PN2020-53 pp.66-69 |
| 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 11:40 |
Online | Online | Proposal of Remote Operated Optical Fiber Switching Node for Future Optical Access Network Tatsuya Fujimoto, Kawano Tomohiro, Kazuhide Nakae, Hiroshi Watanabe, Kazunori Katayama (NTT) OFT2020-67 OPE2020-88 |
We are studying concatenated loop topology as optical access network for beyond 5G with excellent reliability, tolerance... [more] | OFT2020-67 OPE2020-88 pp.54-57(OFT), pp.59-62(OPE) |
| OPE, OCS, LQE | 2020-10-23 16:40 |
Online | Online | An Experimental Study on Repetition-Frequency Doubling of Regeneratively and Harmonically Mode-Locked Fiber Ring Laser Yasuyuki Takayama, Kariyawasam Indipalage Amila Sampath, Joji Maeda (Tokyo Univ. of Science) OCS2020-21 OPE2020-44 LQE2020-24 |
Regeneratively and harmonically mode-locking is a method of extracting a modulation clock from generated pulse, and real... [more] | OCS2020-21 OPE2020-44 LQE2020-24 pp.67-71 |
| MWP | 2020-10-21 16:10 |
Online | Online | Transmission Characteristics of 28-GHz Band Analog Radio over Fiber Employing Single-Mode/Multi-Mode VCSEL Hiroki Yasuda, Takamitsu Aiba, Hiroshi Ishida, Tomohiro Wakabayashi (Yazaki), Tetsuya Kawanishi (Waseda Univ.) MWP2020-29 |
In 28-GHz band, we would have many radio-wave signal insensitive areas due to shadowing effect by building walls. Radio ... [more] | MWP2020-29 pp.15-19 |
| OFT | 2020-10-08 10:50 |
Online | Online | [Poster Presentation]
Arbitrary-wavelength operation of FBGs inscribed in plastic optical fibers Naoki Motoishi, Kohei Noda (Tokyo Tech), Heeyoung Lee (SIT), Antreas Theodosiou, Kyriacos Kalli (CUT), Kentaro Nakamura (Tokyo Tech), Yosuke Mizuno (YNU) OFT2020-18 |
Strain can be detected at high speed using a fiber Bragg gratings (FBG) by measuring the optical power fluctuations at t... [more] | OFT2020-18 pp.37-40 |
| 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 |
| MW, EST, OPE, MWP, EMT, IEE-EMT, THz [detail] | 2019-07-18 16:40 |
Hokkaido | Hakodate City Central Library | Octave-spanning optical frequency combs using all polarization-maintaining mode-locked fiber lasers Takanori Okada, Shin Masuda, Masayuki Kimishima (Advantest Lab) EMT2019-18 MW2019-31 OPE2019-22 EST2019-20 MWP2019-18 |
We present here an optical frequency combs consisted of all polarization-maintaining fibers based on a mode-locked laser... [more] | EMT2019-18 MW2019-31 OPE2019-22 EST2019-20 MWP2019-18 pp.75-80 |
| MW, EST, OPE, MWP, EMT, IEE-EMT, THz [detail] | 2019-07-18 14:45 |
Hokkaido | Hakodate City Central Library | Study on distribution and selection circuit of radio signal between multiple antennas and multiple receivers applying RoF technology Tomohiro Akiyama, Junya Nishioka, Akihiro Fujie, Toshiyuki Ando (Mitsubishi Electric Corp.) EMT2019-27 MW2019-40 OPE2019-31 EST2019-29 MWP2019-27 |
In order to make effective use of radio waves, it is necessary to observe the radio wave environment and detect illegal ... [more] | EMT2019-27 MW2019-40 OPE2019-31 EST2019-29 MWP2019-27 pp.121-126 |
| OCS, PN, NS (Joint) |
2019-06-21 10:20 |
Iwate | MALIOS（Morioka） | [Invited Lecture]
Power-Over-Fiber Technologies Using Double-Clad Fibers for Remote Antenna Units Motoharu Matsuura, Akira Yoneyama, Nana Tajima, Daisuke Kamiyama (Univ. of Electro-Commun.) PN2019-10 |
This paper reviews recent power-over-fiber technologies for optically powered remote antenna units in radio-over-fiber s... [more] | PN2019-10 pp.19-22 |
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