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All Technical Committee Conferences (Searched in: Recent 10 Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| OCS, CS (Joint) |
2024-01-11 13:00 |
Kagoshima | Novel Architecture Expanding Accommodatable Signal-Types in Metro/Access-Integrated All-Photonics Network Shin Kaneko, Manabu Yoshino, Naotaka Shibata, Chihiro Kito, Daisuke Iida, Hiroshi Takahashi, Yoshifumi Wakisaka, Yusuke Koshikiya, Junichi Kani, Tomoaki Yoshida (NTT)  CS2023-93 |
We propose an architectural extension for metro/access integrated all-photonics network (APN) that supports close networ... [more] | CS2023-93 pp.1-5 |
|
| OFT | 2023-10-13 13:35 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
[Invited Talk]
Performance Improvement of Phase-OTDR Distributed Acoustic Sensing based on Frequency Division Multiplexing for Optical Fiber Environmental Monitoring Yoshifumi Wakisaka, Hiroshi Takahashi, Daisuke Iida, Takahiro Ishimaru, Yusuke Koshikiya (NTT) OFT2023-43 |
[more] | OFT2023-43 pp.107-110 |
| OPE, OCS, OFT (Joint) [detail] |
2021-02-19 13:55 |
Online | Online | Application of distributed vibration sensing based on frequency-division-multiplex phase OTDR to monitoring an installed aerial optical fiber cable state Yoshifumi Wakisaka, Daisuke Iida, Tatsuya Okamoto, Yusuke Koshikiya, Nazuki Honda (NTT) OFT2020-69 OPE2020-90 |
Researches on distributed vibration sensing (DVS) to closely visualize optical fiber cable states have been developed fo... [more] | OFT2020-69 OPE2020-90 pp.62-65(OFT), pp.67-70(OPE) |
| OCS, ITE-BCT, OFT, IEE-CMN [detail] | 2019-11-22 12:35 |
Yamaguchi | Kaikyo-Messe-Shimonoseki | Sensitivity enhancement of phase-OTDR vibration sensing for correctly visualizing optical fiber cable states Yoshifumi Wakisaka, Daisuke Iida, Hiroyuki Oshida (NTT) OFT2019-45 |
(Advance abstract in Japanese is available) [more] | OFT2019-45 pp.49-53 |
| OFT, OCS, LSJ (Joint) [detail] |
2019-08-30 11:25 |
Hokkaido | Investigation on measurement of loss and crosstalk at splice point in two-mode fiber based on Brillouin optical time domain analysis Tomokazu Oda, Atsushi Nakamura, Daisuke Iida, Hiroyuki Oshida (NTT) OFT2019-29 |
Mode division multiplexing (MDM) using few-mode fibers (FMFs) has been intensively studied. In MDM transmission, mode de... [more] | OFT2019-29 pp.29-32 |
|
| OFT, OCS, LSJ (Joint) [detail] |
2019-08-30 11:50 |
Hokkaido | Identification of sagging aerial cable section by distributed acoustic sensing based on OFDR for relative distance measurement Tatsuya Okamoto, Daisuke Iida, Hiroyuki Oshida (NTT) OFT2019-30 |
An installed optical fiber in optical communication system vibrates depending on its surrounding environment. A vibratio... [more] | OFT2019-30 pp.33-36 |
|
| 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 |
| 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 | 2018-10-12 10:25 |
Miyagi | Touhoku Univ. | Spurious vibration compensation in distributed vibration sensing based on optical frequency domain reflectometry Tatsuya Okamoto, Daisuke Iida, Hiroyuki Oshida (NTT) OFT2018-51 |
Optical fiber installed in optical telecommunication system vibrates depending on the surrounding environment, and vibra... [more] | OFT2018-51 pp.171-174 |
| OFT, OCS, IEE-CMN, ITE-BCT [detail] | 2017-11-24 09:30 |
Osaka | Kansa-Univ. Umeda Campus | 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, 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 | 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 |
| OCS, OFT, OPE (Joint) [detail] |
2017-02-16 15:55 |
Osaka | Osaka Prefecture University(I-site Nanba) | 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) |
| 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, OCS, OPE (Joint) [detail] |
2016-02-19 11:40 |
Okinawa | Okinawa Univ. | High-frequency distributed acoustic sensing with frequency-multiplexed phase-OTDR Daisuke Iida, Kunihiro Toge, Manabe Tetsuya (NTT) OFT2015-68 OPE2015-233 |
(Advance abstract in Japanese is available) [more] | OFT2015-68 OPE2015-233 pp.73-78(OFT), pp.99-104(OPE) |
| OFT, OCS, OPE (Joint) [detail] |
2016-02-19 12:05 |
Okinawa | Okinawa Univ. | Repeatability of local Rayleigh scatter signature over laser coherence length measured by C-OFDR Shingo Ohno, Daisuke Iida, Kunihiro Toge, Tetsuya Manabe (NTT) OFT2015-69 OPE2015-234 |
Rayleigh scatter signature of optical fiber measured by coherent optical frequency domain reflectometry (C-OFDR) shows a... [more] | OFT2015-69 OPE2015-234 pp.79-84(OFT), pp.105-110(OPE) |
| 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 |
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