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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 29  /  [Next]  
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
CPM, ED, SDM 2014-05-29
09:00
Aichi   Investigation of laser scribing in fabrication of nitride-based LEDs for improvement of light-absorptive
Shun Hanai (Meijo Univ.), Atsushi Suzuki, Tsukasa Kitano (ELSEED), Daisuke Iida, Takahisa Kato, Tetsuya Takeuchi, Motoaki Iwaya, Satoshi Kamiyama, Isamu Akasaki (Meijo Univ.) ED2014-31 CPM2014-14 SDM2014-29
For reduction of a manufacturing cost of the light-emitting-diode (LED), it is necessary to reduce the distance of indiv... [more] ED2014-31 CPM2014-14 SDM2014-29
pp.65-68
MWP, EMT, PN, LQE, OPE, EST, IEE-EMT [detail] 2014-01-24
15:40
Kyoto Doshisha University Technical Requirements for Optical Access System that supports Future Radio Access and Mobile Optical Network
Tomohiro Taniguchi, Daisuke Iida, Jun-ichi Kani, Shigeru Kuwano, Jun Terada, Naoto Yoshimoto (NTT) PN2013-68 OPE2013-182 LQE2013-168 EST2013-117 MWP2013-88
Studies of the future radio access which realizes wide-bandwidth and ultra-high-speed transmission have been reported. T... [more] PN2013-68 OPE2013-182 LQE2013-168 EST2013-117 MWP2013-88
pp.209-214
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