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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 16 of 16  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
OPE, OFT, OCS
(Joint) [detail]
2022-02-25
13:55
Online Online Control of Mode-dependent Gain in Coupled Multi-core EDF with Bend
Ryota Imada, Taiji Sakamoto, Shinichi Aozasa, Kazuhide Nakajima (NTT) OCS2021-51 OPE2021-66
We discuss the reduction in mode-dependent gain (MDG) in coupled-multi-core erbium- doped fiber (C-MC-EDF) with smaller ... [more] OCS2021-51 OPE2021-66
pp.51-55(OCS), pp.89-93(OPE)
OFT 2019-01-18
09:30
Kagoshima Tanegashima space center, Nishinoomote Civic Hall Study of Power efficient multi-core EDFA with alternating arranged C-L- band amplification cores
Masaki Wada, Taiji Sakamoto, Shinichi Aozasa, Takashi Yamamoto, Kazuhide Nakajima (NTT) OFT2018-69
In this paper, we proposed the novel C and L band three-mode erbium doped fiber amplifier that realizes high excitation ... [more] OFT2018-69
pp.39-44
OFT, OCS, IEE-CMN, ITE-BCT [detail] 2017-11-24
14:25
Osaka Kansa-Univ. Umeda Campus Low crosstalk 125 um-cladding 2LP-mode 4-core fiber with air-hole structure
Saki Nozoe, Taiji Sakamoto, Takashi Matsui (NTT), Yoshimichi Amma, Katsuhiro Takenaga (Fujikura), Yoshiteru Abe, Kyozo Tsujikawa, Shinichi Aozasa (NTT), Kazuhiko Aikawa (Fujikura), Kazuhide Nakajima (NTT) OFT2017-54
Multi-core fiber (MCF) and few-mode fiber have been studied intensively for use with space division multiplexing techniq... [more] OFT2017-54
pp.67-70
OFT, OCS, LSJ
(Joint) [detail]
2017-09-01
13:15
Hokkaido Hokkaido Univ. Fabrication of hole-assisted multicore fiber by over-cladding bundled rods technique
Ryohei Fukumoto, Yoshimichi Amma, Katsuhiro Takenaga (Fujikura Ltd.), Saki Nozoe, Taiji Sakamoto, Takashi Matsui, Kyozo Tsujikawa, Shinichi Aozasa, Kazuhide Nakajima (NTT Corporation), Kazuhiko Aikawa (Fujikura Ltd.) OCS2017-33
(Advance abstract in Japanese is available) [more] OCS2017-33
pp.57-60
OFT, OCS, LSJ
(Joint) [detail]
2017-09-01
13:40
Hokkaido Hokkaido Univ. A Study on Coupled Multi-core Fiber with High Core Density
Taiji Sakamoto, Shinichi Aozasa, Takayoshi Mori, Masaki Wada, Takashi Yamamoto, Saki Nozoe, Yuto Sagae, Kyozo Tsujikawa, Kazuhide Nakajima (NTT) OCS2017-34
(Advance abstract in Japanese is available) [more] OCS2017-34
pp.61-66
OFT 2017-05-26
11:20
Shimane Shimane Univ. (Matsue campus) 2-LP mode Coupled 6-core Erbium-doped Fiber Amplifier
Masaki Wada, Taiji Sakamoto, Shinichi Aozasa, Takayoshi Mori, Takashi Yamamoto, Kazuhide Nakajima (NTT) OFT2017-22
We report the design, fabrication and evaluation of clad-pumped 2-LP mode 6-core moderately coupled amplifier. In this s... [more] OFT2017-22
pp.101-105
OFT, PEM
(Joint)
2015-05-22
09:45
Ishikawa   A study on reduction of mode dependent gain in L-band multimode-EDFA
Masaki Wada, Taiji Sakamoto, Shinichi Aozasa, Takayoshi Mori, Takashi Yamamoto, Fumihiko Yamamoto (NTT) OFT2015-9
(Advance abstract in Japanese is available) [more] OFT2015-9
pp.41-44
OFT 2015-01-23
10:45
Miyazaki   Loss properties of few-mode holey fiber induced by the inner surface imperfection of air holes
Shinichi Aozasa, Kyozo Tsujikawa, Nobutomo Hanzawa, Saki Nozoe, Fumihiko Yamamoto (NTT) OFT2014-54
We reported on the additional loss resulting from the inner surface imperfection, such as contamination and surface roug... [more] OFT2014-54
pp.47-52
OFT 2012-10-26
10:30
Yamaguchi KAIKYO MESSE SHIMONOSEKI Cord identification technique using higher order guiding modes of visible light for low bending loss fibers
Lin Ma, Kyozo Tsujikawa, Shinichi Aozasa, Yuji Azuma (NTT) OFT2012-43
We propose a cord identification technique for ultra-low bending loss fiber using higher order modes of visible light. T... [more] OFT2012-43
pp.55-60
OCS, OFT, ITE-BCT, IEE-CMN
(Joint) [detail]
2011-11-17
14:20
Shimane Shimane Univ. Transmission over large-core few-mode photonic crystal fiber using distance-independent modal dispersion compensation technique
Taiji Sakamoto, Takayoshi Mori, Takashi Yamamoto, Lin Ma, Nobutomo Hanzawa, Shinichi Aozasa, Kyozo Tsujikawa, Shigeru Tomita (NTT) OCS2011-97
(Advance abstract in Japanese is available) [more] OCS2011-97
pp.9-14
OFT 2011-10-20
15:20
Nagano   Development of indoor optical cable using single-mode hole-assisted fiber in central office
Tomoyoshi Ito, Naoshi Ogawa, Yoshitaka Enomoto, Shinichi Aozasa (NTT) OFT2011-36
We have realized a new optical cord with single-mode hole-assisted fiber (HAF) which has a superior bending loss that co... [more] OFT2011-36
pp.25-30
OFT 2010-10-25
10:30
Saitama Nippon Institute of Technology Highly reliable optical fiber distribution facilities in central office employing single-mode hole-assisted fiber cord
Shinichi Aozasa, Yoshitaka Enomoto, Hiroyuki Oohashi, Yuji Azuma (NTT) OFT2010-28
We realized single-mode hole-assisted optical fiber (HAF) cord whose fiber has a superior bending loss characteristic th... [more] OFT2010-28
pp.1-6
OFT 2010-01-21
10:45
Okinawa   Hole-assisted optical fiber cord identification technique employing visible light
Shinichi Aozasa, Yoshitaka Enomoto, Yuji Azuma (NTT Corp.) OFT2009-63
Hole-assisted optical fiber (HAF) cord hardly generates any bending loss when bent with a small radius, and has already ... [more] OFT2009-63
pp.5-8
OFT, OCS, ITE-BCT, IEE-CMN
(Joint) [detail]
2008-11-20
10:00
Oita   Next generation optical distribution and management system in central office
Shinichi Aozasa, Shigenori Uruno, Masaki Waki, Yoshitaka Enomoto, Yuji Azuma (Nippon Telegraph and Telephone Corporation) OFT2008-50
Due to spread of optical access service targets the realization of the optical access network with 20 million subscriber... [more] OFT2008-50
pp.19-22
EMD, CPM, LQE, OPE 2006-08-24
12:05
Hokkaido Chitose Arcadia Plaza Novel gain spectrum control method employing gain clamping and adjusting pump power in thulium doped fiber amplifier
Shinichi Aozasa, Hiroji Masuda, Makoto Shimizu (NTT), Makoto Yamada (NEL)
We propose a novel method for controlling the gain spectrum of a thulium doped fiber amplifier (TDFA) in the S-band. The... [more] EMD2006-27 CPM2006-57 OPE2006-69 LQE2006-34
pp.11-15
LQE, OCS, OPE 2004-11-05
12:05
Fukuoka Kyushu Institute of Technology Hybrid Optical Fiber Amplifiers Cascading TDFAs and EDFAs
Tadashi Sakamoto, Shinichi Aozasa, Makoto Yamada (NTT)
 [more] OCS2004-100 OPE2004-165 LQE2004-109
pp.35-40
 Results 1 - 16 of 16  /   
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