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 |