Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
SANE, SAT (Joint) |
2023-03-03 13:30 |
Okinawa |
(Primary: On-site, Secondary: Online) |
Experiment of multi-frequency multi-beam pointing with a software defined radio for a synthetic aperture radar with transmission frequency multiplexing Akihisa Uematsu, Toshiyuki Nishibori (JAXA), Noriyuki Kawaguchi (NAOJ) SANE2022-119 |
Experiment for previously proposed transmission frequency multiplexing method for Spaceborne synthetic aperture radar (S... [more] |
SANE2022-119 pp.113-117 |
OFT |
2021-05-13 13:20 |
Online |
Online |
[Invited Talk]
Report on ECOC 2020
-- Optical fiber -- Takahiro Suganuma, Yuki Kawaguchi, Tetsuya Hayashi, Takemi Hasegawa (SEI) OFT2021-1 |
We report topics related to optical fibers presented in ECOC2020 held online in December 2020. [more] |
OFT2021-1 pp.1-4 |
WBS, IT, ISEC |
2021-03-05 13:30 |
Online |
Online |
Information retrieval for security reports using behavior of cyber attacker Yuki Kawaguchi, Mayo Yamasaki (NTT) IT2020-154 ISEC2020-84 WBS2020-73 |
Cyber security incident responders require related information about related incidents for the quick and comprehensive
... [more] |
IT2020-154 ISEC2020-84 WBS2020-73 pp.257-264 |
PN |
2019-03-14 16:50 |
Okinawa |
Miyako Island Hirara Port Terminal Bldg. |
[Invited Talk]
Research and development on optical fibers for next-generation large-capacity transmission Yuki Kawaguchi, Yoshiaki Tamura, Hirotaka Sakuma, Tetsuya Hayashi, Takemi Hasegawa (SEI) PN2018-88 |
We will review research and development on optical fibers for large-capacity transmission. We achieved record-low loss o... [more] |
PN2018-88 pp.33-36 |
IT, ISEC, WBS |
2019-03-07 09:55 |
Tokyo |
University of Electro-Communications |
Exploring Malicious URL in Dark Web Using Tor Crawler Yuki Kawaguchi, Seiichi Ozawa (Kobe Univ.) IT2018-76 ISEC2018-82 WBS2018-77 |
In recent years, various web-based attacks such as Drive-by-Download attacks are becoming serious. To protect legitimate... [more] |
IT2018-76 ISEC2018-82 WBS2018-77 pp.7-12 |
OCS |
2015-07-30 10:35 |
Tokyo |
Tokyo Tech Front |
Low-loss and large-Aeff fibers for improving OSNR in hybrid-Raman/EDFA amplified systems Yoshinori Yamamoto, Yuki Kawaguchi, Masaaki Hirano (Sumitomo Electric), Shoichiro Oda, Yasuhiko Aoki, Kyosuke Sone, Jens C. Rasmussen (Fujitsu Lab.) OCS2015-27 |
In order to improve optical signal-to-noise ratio (OSNR) for long haul and large capacity transmission systems with digi... [more] |
OCS2015-27 pp.13-18 |
OPE, OCS, OFT (Joint) [detail] |
2015-02-20 14:25 |
Kagoshima |
|
Aeff Enlarged Pure-Silica-Core Fiber Applicable for L-band Transmission Yuki Kawaguchi, Yoshinori Yamamoto, Tetsuya Haruna, Yoshiaki Tamura, Masaaki Hirano (Sumitomo Electric) OCS2014-122 OPE2014-231 |
In order to improve OSNR, low attenuation and low nonlinearity fibers are demanded for ultra-long haul and high capacity... [more] |
OCS2014-122 OPE2014-231 pp.109-113(OCS), pp.157-161(OPE) |
OFT, OCS (Joint) |
2013-08-22 14:25 |
Hokkaido |
|
Low Similar Splice Loss of Aeff-Enlarged Pure-Silica-Core-Fiber Masaaki Hirano, Yuki Kawaguchi, Tetsuya Haruna, Yoshinori Yamamoto (SEI) OCS2013-37 |
In order to apply high-capacity terrestrial trunk-line in which exponentially growing internet traffic has been transmit... [more] |
OCS2013-37 pp.5-9 |
SANE |
2012-10-10 14:00 |
Overseas |
The SONGDO CONVENSIA, Incheon Korea |
Development and Operation of the Korea-Japan Joint VLBI Correlator for East-Asian VLBI Network Se-Jin Oh, Duk-Gyoo Roh, Jae-Hwan Yeom, ChungSik Oh (KASI), Noriyuki Kawaguchi, Hideyuki Kobayashi, Tomoaki Oyama (NAOJ) SANE2012-100 |
The development of the Korea-Japan Joint VLBI Correlator (KJJVC) has been completed and installed to correlate the obser... [more] |
SANE2012-100 pp.245-248 |
CPSY, DC, IPSJ-SLDM, IPSJ-EMB [detail] |
2012-03-02 16:15 |
Miyagi |
|
Design and implementation of I/O control mechanism for heterogeneous multi-core processors Yuki Kawaguchi, Kazutoshi Suito, Hiroki Matsutani, Nobuyuki Yamasaki (Keio Univ.) CPSY2011-85 DC2011-89 |
Heterogeneous multi-core architecture that consists of processors, memory modules, and I/O devices with various sizes, f... [more] |
CPSY2011-85 DC2011-89 pp.91-96 |
EMT, PN, LQE, OPE, MWP, EST, IEE-EMT [detail] |
2012-01-27 09:50 |
Osaka |
Osaka Univ. Convention Center |
Evaluation of Structural Dependence of Bending Loss in Slot Waveguide Yu Saito, Yuki Kawaguchi, Kunimasa Saitoh, Masanori Koshiba (Hokkaido Univ.) PN2011-67 OPE2011-183 LQE2011-169 EST2011-117 MWP2011-85 |
Slot waveguide is expect to be used in ultra small devices and also used in devices which have optical nonlinear effect,... [more] |
PN2011-67 OPE2011-183 LQE2011-169 EST2011-117 MWP2011-85 pp.253-258 |
OCS, LQE, OPE |
2011-10-27 10:40 |
Kochi |
Kochi University of Technology |
Structural dependence of group velocity and leakage losses in 1-D photonic crystal coupled resonator optical waveguide based on mode-gap confinement Yuki Kawaguchi, Kunimasa Saitoh, Masanori Koshiba (Hokkaido Univ.) OCS2011-59 OPE2011-97 LQE2011-60 |
One-dimensional photonic crystal coupled resonator optical waveguide (1-D PC-CROW) based on mode-gap confinement has a p... [more] |
OCS2011-59 OPE2011-97 LQE2011-60 pp.27-32 |
IA |
2011-10-12 13:25 |
Tokyo |
Garden City Shinagawa |
High sensitivity radio interferometer by high speed communication lines Yusuke Kono, Tomoaki Oyama, Shota Mizuno, Shunsaku Suzuki, Takeshi Bushimata, Noriyuki Kawaguchi (NAOJ) IA2011-18 |
(To be available after the conference date) [more] |
IA2011-18 pp.15-16 |
OPE, MW, MWP, EMT, EST, IEE-EMT [detail] |
2011-07-22 16:55 |
Hokkaido |
|
Suppression of Leakage Losses in LNOI Ridge Waveguides Emi Saitoh, Yuki Kawaguchi, Kunimasa Saitoh, Masanori Koshiba (Hokkaido Univ.) MW2011-69 OPE2011-56 EST2011-55 MWP2011-37 |
[more] |
MW2011-69 OPE2011-56 EST2011-55 MWP2011-37 pp.171-176 |
IA |
2010-09-21 13:25 |
Tokyo |
|
* Noriyuki Kawaguchi, Yusuke Kono, Tomoaki Oyama, Shunsaku Suzuki, Shouta Mizuno (NAOJ) IA2010-32 |
(To be available after the conference date) [more] |
IA2010-32 p.11 |
EMT, OPE, MW, IEE-EMT [detail] |
2010-07-30 13:00 |
Hokkaido |
Hokkaido Univ. |
Evaluation of Bending Characteristics in Silicon Wires Using Three-Dimensional Frequency-Domain Vectorial Finite Element Method Satoshi Kaise, Yuki Kawaguchi, Kunimasa Saitoh, Masanori Koshiba (Hokkaido Univ.) MW2010-62 OPE2010-47 |
Silicon wires can achieve a strong optical confinement according to the high refractive index difference between the cor... [more] |
MW2010-62 OPE2010-47 pp.205-210 |
PN, OPE, EMT, LQE |
2009-01-30 13:10 |
Kyoto |
Kyoto Institute Technology (Matsugasaki Campus) |
Bending characteristics of one-dimensional photonic crystal coupled resonator optical waveguides Yuki Kawaguchi, Kunimasa Saitoh, Masanori Koshiba (Hokkaido Univ.) PN2008-67 OPE2008-170 LQE2008-167 |
One-dimensional photonic crystal coupled resonator optical waveguide (1-D PC-CROW) has attractive features such as small... [more] |
PN2008-67 OPE2008-170 LQE2008-167 pp.141-144 |
AP |
2008-06-19 13:20 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Statistical Properties of Atmospheric Phase Fluctuations obtained by Interferometric Observations of LEO Satellite Beacons Masanori Nishio (Kagoshima Univ.), Chikara Minamitake (ARP Co.,Ltd.), Tomoyuki Miyazaki, Yuki Kawaguchi (Kagoshima Univ.) AP2008-29 |
Spatial and temporal variations of atmospheric phase fluctuations are obtained by interferometric observations of LEO sa... [more] |
AP2008-29 pp.1-4 |
KBSE |
2007-09-11 10:00 |
Overseas |
Kuala Lumpur |
Resolution of Application Plan for Administrative Procedures Based on Application Procedure Ontology. Hiroyuki Kawaguchi, Seiichi Komiya (Shibaura I.T.) KBSE2007-21 |
This research examines the construction of the administrative procedure ontology in the government procedure. This ontol... [more] |
KBSE2007-21 pp.37-42 |
KBSE |
2006-08-01 10:20 |
Iwate |
|
Research on revitalization plan of e-Government by using “Online application support software”. Hiroyuki Kawaguchi, Seiichi Komiya (Shibaura I. T.) |
This research analyzes the key factor of electronic government promotion in Japan through the online application system.... [more] |
KBSE2006-13 pp.5-10 |