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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 19 of 19  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
OPE, OFT, OCS
(Joint) [detail]
2024-02-21
13:30
Okinawa Nobumoto Ohama Memorial Hall
(Primary: On-site, Secondary: Online)
Weakly Coupled 4-core MCF with Small Cladding for O-band
Shota Kajikawa, Mayu Iizuka, Takuya Oda, Katsuhiro Takenaga, Ichii Kentaro (Fujikura) OCS2023-68 OPE2023-108
 [more] OCS2023-68 OPE2023-108
pp.7-10
OPE, OFT, OCS
(Joint) [detail]
2024-02-21
13:55
Okinawa Nobumoto Ohama Memorial Hall
(Primary: On-site, Secondary: Online)
4 core multi core fiber with 180µm coating for more high density cable.
Hiroki Takehana, Shota Kajikawa, Takuya Oda, Katsuhiro Takenaga, Kentaro Ichii (Fujikura) OCS2023-69 OPE2023-109
 [more] OCS2023-69 OPE2023-109
pp.11-14
OPE, OFT, OCS
(Joint) [detail]
2024-02-21
14:45
Okinawa Nobumoto Ohama Memorial Hall
(Primary: On-site, Secondary: Online)
Investigation of inter-core crosstalk calculation method for loopback OTDR technique
Mayu Iizuka, Katsuhiro Takenaga, Takuya Oda, Kentaro Ichii (Fujikura) OCS2023-71 OPE2023-111
In the measurement of inter-core crosstalk (XT) of multi-core fiber using the loopback OTDR technique, a calculation met... [more] OCS2023-71 OPE2023-111
pp.21-24
LQE, OPE, OCS 2023-11-24
14:35
Online Online [Invited Talk] Report on ECOC2023 -- Optical Fibers --
Takuya Oda, Kentaro Ichii (Fujikura) OCS2023-51 OPE2023-101 LQE2023-48
This paper reviews fiber-optic-related topics presented at ECOC2023, held in Glasgow, UK, from October 1 to 5, 2023. The... [more] OCS2023-51 OPE2023-101 LQE2023-48
pp.13-16
OFT, OCS, LSJ
(Joint) [detail]
2023-08-24
13:35
Hokkaido  
(Primary: On-site, Secondary: Online)
Possibility of Weakly Coupled 4-core MCF with Small Cladding
Shota Kajikawa, Takuya Oda, Katsuhiro Takenaga, Kentaro Ichii (Fujikura) OCS2023-19
Weakly coupled optical fibers with 4-core and 125-μm cladding have been in standardization efforts. At the same time, de... [more] OCS2023-19
pp.1-4
OCS, OFT, OPE
(Joint) [detail]
2023-02-16
13:20
Okinawa kukuru-itomancity
(Primary: On-site, Secondary: Online)
4-core 700-km-length MCF Drawn from Single Preform
Shota Kajikawa, Tsubasa Saito, Katsuhiro Takenaga, Kentaro Ichii (Fujikura) OCS2022-70 OPE2022-94
 [more] OCS2022-70 OPE2022-94
pp.1-4
OCS, OFT, OPE
(Joint) [detail]
2023-02-16
14:10
Okinawa kukuru-itomancity
(Primary: On-site, Secondary: Online)
Novel inter-core crosstalk measurement method using loopback OTDR technique
Mayu Nakagawa, Katsuhiro Takenaga, Kentaro Ichii (Fujikura Ltd.) OCS2022-72 OPE2022-96
We have proposed a novel inter-core crosstalk (XT) measurement method for multi-core fiber (MCF) using loopback OTDR tec... [more] OCS2022-72 OPE2022-96
pp.10-13
OCS, OFT, OPE
(Joint) [detail]
2023-02-16
14:35
Okinawa kukuru-itomancity
(Primary: On-site, Secondary: Online)
Proposal of Polarity Management Method for Practical Use of Multicore Fiber
Takuya Oda, Osamu Kikuchi, Katsuhiro Takenaga, Kentaro Ichii (Fujikura) OCS2022-73 OPE2022-97
Each core of uncoupled multicore fiber (MCF) can be identified by a marker placed asymmetrically against the core patter... [more] OCS2022-73 OPE2022-97
pp.14-19
ITE-BCT, OCS, IEE-CMN, OFT 2022-11-11
15:15
Miyagi Forest-Sendai
(Primary: On-site, Secondary: Online)
Over 600-km-length of 4-core MCF Drawn from Single Preform
Shota Kajikawa, Tsubasa Saito, Katsuhiro Takenaga, Kentaro Ichii (Fujikura) OCS2022-49
This report presents the details of our successful production of a 4-core MCF, which has 125-μm cladding and more than 6... [more] OCS2022-49
pp.52-55
OCS, OPE, LQE 2017-10-26
10:10
Kumamoto Josaien, Sakuranobaba Polarization-Maintaining and Thermally Expanded core Fiber for Low Loss Coupling with Silicon Photonic Circuits
Keisuke Hirakawa, Takuya Oda, Kentaro Ichii, Kazuhiko Aikawa (Fujikura) OCS2017-37 OPE2017-69 LQE2017-42
(Advance abstract in Japanese is available) [more] OCS2017-37 OPE2017-69 LQE2017-42
pp.7-12
LQE, OPE, OCS 2016-10-27
15:00
Miyazaki Miyazaki Citizen's Plaza Small Core Diameter TEC Fiber for Silicon Optical Waveguides
Keisuke Hirakawa, Takuya Oda, Kentaro Ichi, Kazuhiko Aikawa (Fujikura) OCS2016-41 OPE2016-82 LQE2016-57
(Advance abstract in Japanese is available) [more] OCS2016-41 OPE2016-82 LQE2016-57
pp.37-41
OFT, OCS
(Joint)
2015-08-28
14:50
Hokkaido   Optical Fiber Amplifier for FMF Transmission Employing Ring-Core Er-Doped Fiber
Hirotaka Ono (NTT), Tsukasa Hosokawa, Kentaro Ichii, Shoichiro Matsuo (Fujikura), Hayato Nasu, Makoto Yamada (Osaka Pref. Univ.) OCS2015-38
(Advance abstract in Japanese is available) [more] OCS2015-38
pp.43-48
OPE, OCS, OFT
(Joint) [detail]
2015-02-20
08:55
Kagoshima   Suppression of Differential Modal Gain by Two-Mode EDF with Ring-Type Index Profile
Tsukasa Hosokawa, Kentaro Ichii, Katsuhiro Takenaga, Shoichiro Matsuo (Fujikura), Hirotaka Ono (NTT), Makoto Yamada (Osaka Prefecture Univ.) OCS2014-115 OPE2014-221
It is reported that a differential modal gain (DMG) and pumping-mode dependence of DMGs are suppressed by introducing ri... [more] OCS2014-115 OPE2014-221
pp.71-75(OCS), pp.105-109(OPE)
OPE, OCS, OFT
(Joint) [detail]
2015-02-20
09:20
Kagoshima   Study on gain control of MC-EDFA by using hybrid pumping of cladding- and core-direct-pumping schemes
Hirotaka Ono (NTT), Makoto Yamada (Osaka Pref. Univ.), Tsukasa Hosokawa, Kentaro Ichii (Fujikura), Hiroji Masuda (Shimane Univ.), Soichi Kobayashi (Chitose Inst. of Sci. and Tech.) OCS2014-116 OPE2014-222
(Advance abstract in Japanese is available) [more] OCS2014-116 OPE2014-222
pp.77-81(OCS), pp.111-115(OPE)
OCS, OFT
(Joint)
2014-08-28
14:25
Hokkaido Kushiro Royal Inn Crosstalk Measurement in Multi-core Fiber Amplifier by using Intensity-Modulated Light and Electrical Spectrum Analyzer
Hirotaka Ono, Takayuki Mizuno, Hidehiko Takara (NTT), Kentaro Ichii, Katsuhiro Takenaga, Shoichiro Matsuo (Fujikura), Makoto Yamada (Osaka Prefecture Univ.), Yutaka Miyamoto (NTT) OCS2014-32
(Advance abstract in Japanese is available) [more] OCS2014-32
pp.7-12
OCS, OFT
(Joint)
2012-08-30
15:30
Hokkaido   Optical fiber amplifier by using bundle of EDFs for multi-core fiber transmission
Kyozo Tsujikawa, Lin Ma (NTT), Kentaro Ichii, Shoichiro Matsuo (Fujikura), Makoto Yamada (Osaka Prefecture University), Nobutomo Hanzawa, Hirotaka Ono (NTT) OFT2012-20
(Advance abstract in Japanese is available) [more] OFT2012-20
pp.9-13
ITE-BCT, OCS, OFT, IEE-CMN
(Joint) [detail]
2010-11-18
13:50
Osaka SEI Ikoma Seminar House Higher-order mode suppression in a bent large-mode-area multi-cladding fiber
Shoji Tanigawa, Kentaro Ichii (Fujikura), Kunimasa Saitoh (Hokkaido Univ.), Yasuko Sugimoto, Shoichiro Matsuo, Munehisa Fujimaki (Fujikura) OFT2010-40
 [more] OFT2010-40
pp.11-14
OFT 2009-10-30
11:20
Oita   Photodarkening in Ytterbium-Doped Silica Fibers
Tomofumi Arai, Kentaro Ichii, Shoji Tanigawa, Shoichiro Matsuo (Fujikura) OFT2009-48
We have investigated the origin of photodarkening phenomenon in Al-Yb doped fibers by ESR, XAFS, and optical transmittan... [more] OFT2009-48
pp.69-72
OFT 2004-10-15
13:15
Chiba Chiba Univercity Characteristics of low macrobending-loss SMF (FutureGuide®-SR15E) with low water peak
Kentaro Ichii, Naritoshi Yamada, Munehisa Fujimaki (Fujikura)
With the growth of the FTTH, the development of the optical fiber which allows small bend radius for the access network ... [more] OFT2004-45
pp.1-4
 Results 1 - 19 of 19  /   
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