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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| OFT | 2025-01-23 12:40 |
Osaka | (Osaka, Online) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Parallel Transmission Using Multiple Frequency Channels in a Vibration Transmission System with Mach-Zehnder Interferometer Nozomi Nagamatsu, Yuto Ito, Daniel Akira Ando, Tetsuya Manabe (Mie Univ.), Shingo Ohno, Atsushi Nakamura, Kunihiro Toge (NTT) |
(To be available after the conference date) [more] | |
| OFT | 2025-01-23 14:40 |
Osaka | (Osaka, Online) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Statistical Analysis of Spatial Mode Dispersion of Coupled 4-Core Fiber
-- Comparison of fixed analyzer method and linear optical sampling -- Kyogo Osawa, Akira Izumoto, Takahiro Suyama, Chao Zhang, Fumihiko Ito (Shimane Univ.), Atsushi Nakamura, Shingo Ohno, Kunihiro Toge (NTT) |
[more] | |
| OFT | 2025-01-23 14:40 |
Osaka | (Osaka, Online) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Vibration position estimation system using a 2-wavelength polarizer-based fiber optic sensors Shohei Takahashi, Yukie kanda, Ando Daniel Akira, Tetsuya Manabe (Mie Univ.), Shingo Ohno, Atsushi Nakamura, Kunihiro Toge (NTT) |
[more] | |
| OFT | 2025-01-24 10:15 |
Osaka | (Osaka, Online) (Primary: On-site, Secondary: Online) |
Simplified temperature sensing method near reflection point in optical fiber using randomly modulated light source Kouta Ozaki (YNU), Takahiro Ishimaru, Hiroshi Takahashi, Kunihiro Toge (NTT), Yosuke Mizuno (YNU) |
[more] | |
| OFT | 2024-10-10 10:10 |
Tokyo | (Tokyo, Online) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Dual-laser optical correlation-domain reflectometry: proposal and demonstration Keisuke Motoda, Guangtao Zhu (YNU), Takaki Kiyozumi (YNU/UTokyo), Takahiro Ishimaru, Hiroshi Takahashi, Kunihiro Toge (NTT), Yosuke Mizuno (YNU)  OFT2024-33 |
With the rapid proliferation of high-speed, large-capacity communication, there is an increasing demand for health diagn... [more] | OFT2024-33 pp.4-7 |
| OFT | 2024-10-10 10:10 |
Tokyo | (Tokyo, Online) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Study on the Effect of Noise on the Vibration Position Estimation System Using Bidirectionally Applied Polarizer-based Fiber Optic Sensors Shohei Takahashi, Tetsuya Manabe (Mie Univ.), Atsushi Nakamura, Kunihiro Toge (NTT) OFT2024-36 |
[more] | OFT2024-36 pp.18-21 |
| OFT | 2024-10-10 13:20 |
Tokyo | (Tokyo, Online) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Simultaneous measurement of distributed strain and reflectivity using correlation-domain technique Haruyuki Kubota, Seiga Ochi (YNU), Takahiro Ishimaru, Hiroshi Takahashi, Kunihiro Toge (NTT), Yosuke Mizuno (YNU) OFT2024-42 |
We propose a hybrid implementation of optical correlation-domain reflectometry (OCDR) and Brillouin optical correlation-... [more] | OFT2024-42 pp.47-50 |
| OFT | 2024-10-10 13:20 |
Tokyo | (Tokyo, Online) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Proposal of OCDR based on periodic pseudo-random modulation Yuta Higa, Keisuke Motoda, Soshi Yoshida, Guangtao Zhu (YNU), Takaki Kiyozumi (YNU/UTokyo), Takahiro Ishimaru (NTT), Hiroshi Takahashi (YNU/NTT), Kunihiro Toge (NTT), Yosuke Mizuno (YNU) OFT2024-43 |
Distributed reflectivity sensing, which allows for the precise measurement of locations and reflectivities of poor conne... [more] | OFT2024-43 pp.51-54 |
| OFT | 2024-10-10 13:20 |
Tokyo | (Tokyo, Online) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Study of Detection Sensitivity to Vibration to Optical Fiber Vibration Sensor using Two-Mode Region Kohei Morikane, Tetsuya Manabe (Mie Univ), Atsushi Nakamura, Kunihiro Toge (NTT) OFT2024-46 |
Optical Fiber Vibration Sensor using Two-Mode Region (TM sensors) is an appealing sensing method because it can be confi... [more] | OFT2024-46 pp.66-69 |
| OFT | 2024-10-10 15:20 |
Tokyo | (Tokyo, Online) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Verification of Noise Immunity of Vibration Transmission Systems Using Mach-Zehnder Interferometer Nozomi Nagamatsu, Yuto Ito, Tetsuya Manabe (Mie Univ.), Atsushi Nakamura, Kunihiro Toge (NTT) OFT2024-54 |
We have proposed a system that transmits information by applying modulated vibration to the outer sheath of an optical f... [more] | OFT2024-54 pp.100-103 |
| OFT | 2024-10-10 15:20 |
Tokyo | (Tokyo, Online) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Application of convolutional codes to a method of transmitting information by excitation of the outer sheath of an optical fiber cable Yuto Ito, Nozomi Nagamatsu, Tetsuya Manabe (Mie Univ), Atsushi Nakamura, Kunihiro Toge (NTT) OFT2024-55 |
[more] | OFT2024-55 pp.104-107 |
| OFT | 2024-10-11 10:30 |
Tokyo | (Tokyo, Online) (Primary: On-site, Secondary: Online) |
Proposal of dual-laser Brillouin optical correlation-domain reflectometry Guangtao Zhu (YNU), Takahiro Ishimaru, Hiroshi Takahashi, Kunihiro Toge (NTT), Yosuke Mizuno (YNU) OFT2024-60 |
We develop a new configuration for Brillouin optical correlation-domain reflectometry (BOCDR), termed dual-laser BOCDR. ... [more] | OFT2024-60 pp.126-129 |
| OPE, OCS, OFT (Joint) [detail] |
2021-02-19 11:15 |
Online | Online (Online) | Optimization of Optical Access Network Design for Beyond 5G Shingo Ohno, Chihiro Kito, Kunihiro Toge, Shigekatsu Tetsutani, Shoichi Furujo (NTT) OFT2020-66 OPE2020-87 |
This paper describes optical access network design for beyond 5G and its optimum design parameters. While conventional o... [more] | OFT2020-66 OPE2020-87 pp.50-53(OFT), pp.55-58(OPE) |
| OCS, OFT, OPE (Joint) [detail] |
2020-02-28 14:35 |
Okinawa | Okinawa Jichikaikan (Okinawa) | Optical Access Network Design for Uncertainly Distributed Demands Shingo Ohno, Chihiro Kito, Kunihiro Toge, Shigekatsu Tetsutani, Jun-ichi Kawataka (NTT) OFT2019-71 OPE2019-114 |
(Advance abstract in Japanese is available) [more] | OFT2019-71 OPE2019-114 pp.59-62(OFT), pp.79-82(OPE) |
| OCS, OFT, LSJ (Joint) [detail] |
2018-08-30 14:30 |
Hokkaido | Hakodate Hokuyo Building 8Kai Hall (Hokkaido) | Investigation on Cross-sectional Brillouin Gain depending on the Electric Field Distribution Tomokazu Oda (NTT), Hiroshi Takahashi (NTT East), Kunihiro Toge, Tetsuya Manabe (NTT) OFT2018-6 |
Mode division multiplexing technique has been intensively studied for realization of large capacity optical communicatio... [more] | OFT2018-6 pp.1-4 |
| OFT, OCS, IEE-CMN, ITE-BCT [detail] | 2017-11-24 09:30 |
Osaka | Kansa-Univ. Umeda Campus (Osaka) | Distributed Spatial Mode Dispersion Measurement along Strongly Coupled Multicore Fiber Using Rayleigh Backscattering Interference Pattern Shingo Ohno, Kunihiro Toge, Daisuke Iida, Tetsuya Manabe (NTT) OFT2017-48 |
Strongly coupled multicore fiber (SC-MCF) has been proposed for realizing spatial division multiplexing transmission. In... [more] | OFT2017-48 pp.23-28 |
| OFT, OCS, LSJ (Joint) [detail] |
2017-08-31 13:15 |
Hokkaido | Hokkaido Univ. (Hokkaido) | 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 14:30 |
Shimane | Shimane Univ. (Matsue campus) (Shimane) | Simplified and high speed BOTDA employing frequency-swept pulses Chihiro Kito, Hiroshi Takahashi, Kunihiro Toge, Tetsuya Manabe (NTT) OFT2017-2 |
In recent years, research on optical measurement technology using Brillouin scattering capable of measuring temperature ... [more] | OFT2017-2 pp.7-10 |
| OCS, OFT, OPE (Joint) [detail] |
2017-02-16 15:55 |
Osaka | Osaka Prefecture University(I-site Nanba) (Osaka) | High-resolution measurement of differential mode delay of few-mode fiber using phase-comparing FMCW Shingo Ohno, Daisuke Iida, Kunihiro Toge, Tetsuya Manabe (NTT) OFT2016-47 OPE2016-163 |
Differential mode delay (DMD) is an important parameter to characterize mode division multiplexing transmission lines, a... [more] | OFT2016-47 OPE2016-163 pp.15-18(OFT), pp.21-24(OPE) |
| OCS, OFT, OPE (Joint) [detail] |
2017-02-17 10:45 |
Osaka | Osaka Prefecture University(I-site Nanba) (Osaka) | Transient Dynamics of Brillouin Acoustic Wave on Frequency Swept Pulse for Fiber Loss Monitoring Hiroshi Takahashi, Kunihiro Toge, Chihiro Kito, Manabe Tetsuya (NTT) OFT2016-52 OPE2016-169 |
We have proposed pulsed pump-probe Brillouin optical time domain analysis (ERA-BOTDA) for optical fiber loss measurement... [more] | OFT2016-52 OPE2016-169 pp.39-44(OFT), pp.49-54(OPE) |
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