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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 17 of 17  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
OPE, MW, EMT, MWP, EST, IEE-EMT [detail] 2016-07-22
13:20
Hokkaido   Broadband optical amplifier characteristics on cascaded Bi- Er doped optical fibers
Mikoto Takahashi, Daiki Higuchi, Mizuki Ohara (CIST), Yuusuke Fujii (PSTI), Naoto Yoshimoto, Soichi Kobayashi (CIST) EMT2016-30 MW2016-61 OPE2016-42 EST2016-31 MWP2016-32
In the long distance optical subscriber systems the mutual optical amplifiers between subscribers and central offices ar... [more] EMT2016-30 MW2016-61 OPE2016-42 EST2016-31 MWP2016-32
pp.135-138
OFT, OCS
(Joint)
2015-08-28
15:15
Hokkaido   Broadband gain characteristics with Bi-doped double-clad optical fiber
Mizuki Ohara, Mikoto Takahashi, Ikki Kondo (CIST), Yusuke Fujii (PSTI), Soichi Kobayashi (CIST) OCS2015-39
In 1.3μm band to the telephone office from the subscriber and 1.55μm band from the telephone office to the subscriber, t... [more] OCS2015-39
pp.49-52
EMT, MW, OPE, MWP, EST, IEE-EMT [detail] 2015-07-16
15:20
Hokkaido Kushiro City Lifelong Learning Center A study on 808 nm laser pumping methods into the Bi-doped optical fiber
Mikoto Takahashi, Mizuki Ohara, Ikki Kondo (CIST), Yusuke Fujii (PSTI), Soichi Kobayashi (CIST) EMT2015-17 MW2015-55 OPE2015-29 EST2015-21 MWP2015-20
 [more] EMT2015-17 MW2015-55 OPE2015-29 EST2015-21 MWP2015-20
pp.51-54
MW, OPE, EMT, MWP, EST, IEE-EMT [detail] 2014-07-17
13:25
Hokkaido Muroran Inst. of Tech. Gain Characteristics of Bismuth-doped Double-cladding Silica Optical Fiber
Masakazu Saito, Mikoto Takahashi, Tatsuya Fujii, Ryo Sakai (Chitose Inst. of Science and Tech.), Yusuke Fujii (PSTI), Soichi Kobayashi (Chitose Inst. of Science and Tech.) MW2014-66 OPE2014-35 EST2014-27 MWP2014-24
1.3 μm optical amplifiers in the access network networks are attractive for the future up-stream long-distance line in t... [more] MW2014-66 OPE2014-35 EST2014-27 MWP2014-24
pp.105-108
MW, OPE, EMT, MWP, EST, IEE-EMT [detail] 2014-07-17
13:50
Hokkaido Muroran Inst. of Tech. Laser Oscillation with the Bi-doped Silica Optical Fiber
Mikoto Takahashi, Masakazu Saito, Tatsuya Fujii, Ryo Sakai (Chitose Inst. of Science and Tech.), Yusuke Fujii (PSTI), Soichi Kobayashi (Chitose Inst. of Science and Tech.) MW2014-67 OPE2014-36 EST2014-28 MWP2014-25
In this report, the laser oscillation excited by the 808 nm semiconductor laser pumping with the Bi doped silica fiber a... [more] MW2014-67 OPE2014-36 EST2014-28 MWP2014-25
pp.109-112
EST, MWP, OPE, MW, EMT, IEE-EMT [detail] 2013-07-18
09:30
Hokkaido Wakkanai Synthesis Cultural Center Optical Amplification on the Bismuth-doped Silica Fiber
Soichi Kobayashi, Mikoto Takahashi, Tatsuya Fujii (Chitose Inst. of Science and Tech.), Yusuke Fujii (PSTI) MW2013-60 OPE2013-29 EST2013-24 MWP2013-19
 [more] MW2013-60 OPE2013-29 EST2013-24 MWP2013-19
pp.83-86
IN, NS, CS
(Joint)
2012-09-20
14:40
Miyagi Tohoku Univ. Research Institute of Electrical Communication 2gokan [Special Invited Talk] Spot-size converter fiber for "quasi single-mode" launching in kilometer length multimode fiber
Yoshiaki Yamabayashi, Masahiro Abe (Chitose Institute of Science and Technology), Toshihiro Suda, Yusuke Fujii (Photonic Science Technology), Soichi Kobayashi (Chitose Institute of Science and Technology) NS2012-61 IN2012-59 CS2012-50
A single-mode fiber type spot-size converter is shown to be useful to achieve quasi single-mode transmission over more t... [more] NS2012-61 IN2012-59 CS2012-50
pp.59-64(NS), pp.57-62(IN), pp.13-18(CS)
OFT, OCS
(Joint)
2011-08-26
09:00
Hokkaido   Improvement of 10 Gbps transmission characteristics by placing Spot-Size Converters at the launching end of a 62.5um MMF spool
Kouhei Takahashi, Ayumu Kawamura, Masahiro Abe (CIST), Toshihiro Suda, Yusuke Fujii (PSTI), Soichi Kobayashi, Yoshiaki Yamabayashi (CIST) OCS2011-48
(Advance abstract in Japanese is available) [more] OCS2011-48
pp.15-19
ISEC, IT, WBS 2011-03-04
15:45
Osaka Osaka University Identifiability of Malicious Users of the Digital Fingerprinting Code Based on a Finite Projective Plane
Yusuke Fujii, Hiroki Koga (Tsukuba Univ.) IT2010-116 ISEC2010-120 WBS2010-95
 [more] IT2010-116 ISEC2010-120 WBS2010-95
pp.319-326
OCS, OFT
(Joint)
2010-08-26
11:35
Hokkaido Asahikawa Tokiwa Shimin Hall Improvement of 10 Gbps transmission characteristics by placing Spot-Size Converters at the both ends of a 2.4 km MMF spool
Kohei Takahashi, Yoshiaki Yamabayashi, Yutaro Hatanaka, Ayumu Kawamura, Soichi Kobayashi (Chitose Inst. of Sci and Tech.), Yusuke Fujii (Photonic Science Technology, Inc.) OCS2010-37
We have reported “quasi-single-mode” transmission technique by placing “spot-size-converters(SSC) ” at the both ends of ... [more] OCS2010-37
pp.13-17
EMD, OPE, LQE, CPM 2010-08-26
16:50
Hokkaido Chitose Arcadia Plaza Er Fiber Laser Oscillation with Polysilane Optical Waveguide Grating
Kazuya Matsuda, Takahiro Ishikura (Chitose Inst. of Sci and Tech.), Yusuke Fujii (Photonic Sci Tech, Inc.), Soichi Kobayashi (Chitose Inst. of Sci and Tech.) EMD2010-39 CPM2010-55 OPE2010-64 LQE2010-37
Polysilane optical waveguide Bragg grating (PWBG) was fabricated by the two-beam interference method on the photo-sensit... [more] EMD2010-39 CPM2010-55 OPE2010-64 LQE2010-37
pp.63-66
OFT, OCS
(Joint)
2009-08-27
10:50
Hokkaido   Loss Evaluation of Taper Optical fiber for High Power Laser
Takuya Kawamura (Chitose Inst. of Sci and Tech.), Yasunori Kajikawa, Toshihiro Suda, Yusuke Fujii (PSTI), Soichi Kobayashi (Chitose Inst. of Sci and Tech.) OFT2009-18
Recently, a high power laser is applied for metal welding and cutting processes. A laser beam used for the processes is ... [more] OFT2009-18
pp.7-10
OFT, OCS
(Joint)
2009-08-27
11:15
Hokkaido   Tapered optical fibers with refractive index change in the propagation direction
Daiki Motoyoshi (Chitose Inst. of Sci and Tech.), Toshihiro Suda, Yusuke Fujii, Yasunori Kajikawa (PSTI), Soichi Kobayashi (Chitose Inst. of Sci and Tech.) OFT2009-19
The tapered fiber with graded refractive index profile in a light propagation direction to realize a low loss waveguide ... [more] OFT2009-19
pp.11-14
OME, OPE 2008-11-14
15:45
Tokyo Kikai-Shinko-Kaikan Bldg. Super-continuum generation with newly developed photonic crystal fiber
Yuhei Matsubara (Chitose Institute of science and technology), Yusuke Fujii (Photonic science technology, lnc), Naoki Karasawa, Soichi Kobayashi (Chitose Institute of science and technology) OME2008-73 OPE2008-133
Super-continuum light with broadband spectrum was generated by femto second pulse injection into the microstructure fibe... [more] OME2008-73 OPE2008-133
pp.35-38
CPM, LQE, OPE, EMD 2007-08-23
11:00
Hokkaido Hokaido Univ. Study of super continuum generation with taper type PCFs
Yuhei Matsubara, Kazuki Maruyama, Naoki Karasawa, Soichi Kobayashi (CIST), Yusuke Fujii (PSTI) EMD2007-30 CPM2007-51 OPE2007-68 LQE2007-31
Super-continuum light with broadband spectrum was generated by femto second pulse injection into the microstructure fibe... [more] EMD2007-30 CPM2007-51 OPE2007-68 LQE2007-31
pp.7-10
EMT, OPE, MW 2007-08-03
11:40
Hokkaido Muroran Institute of Technology Development of Variable Optical Attenuator module using Smectic Liquid Crystal
Shingo Noka, Yusuke Fujii (PSTI), Atsushi Kakuta, Soichi Kobayashi (CIST) MW2007-79 OPE2007-66
As smectic liquid crystal (SLC) has self-holding function for saving electric power, it has a possibility to be a variab... [more] MW2007-79 OPE2007-66
pp.207-210
OPE, LQE, CPM, EMD 2005-08-26
14:50
Hokkaido   Study on bandwidth expansion of femto-second pulse using multimode taper optical fiber
Yusuke Fujii, Toshihiro Suda (PSTI), Ryo Haseyama (Panasonic Electronic Devices), Ryusuke Miyata, Soichi Kobayashi (CIST)
Supercontinuum light of wideband spectra was obtained by femto second pulse injection into the taper optical fiber made ... [more] EMD2005-55 CPM2005-83 OPE2005-63 LQE2005-43
pp.51-54
 Results 1 - 17 of 17  /   
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