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Search Results: Conference Papers
 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 16 of 16  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
MW, ED 2015-01-16
11:05
Tokyo Kikai-Shinko-Kaikan Bldg. Improvement of RF performance of GaN-HEMT on silicon substrate
Isao Makabe, Hiroyuki Ichikawa, Keiichi Yui, Tsuyoshi Kouchi, Kazutaka Inoue, Ken Nakata (SEI) ED2014-128 MW2014-192
 [more] ED2014-128 MW2014-192
pp.65-70
LQE, CPM, EMD, OPE, R 2012-08-23
14:15
Miyagi Tohoku Univ. Improvement in reliability of AlGaInAs edge-emitting laser diodes
Hiroyuki Ichikawa, Yasuo Yamasaki, Nobuyuki Ikoma (SEI) R2012-27 EMD2012-33 CPM2012-58 OPE2012-65 LQE2012-31
High-speed and high-temperature operations are required for light emitters in optical communication systems. AlGaInAs la... [more] R2012-27 EMD2012-33 CPM2012-58 OPE2012-65 LQE2012-31
pp.33-36
LQE, OPE, OCS 2010-10-29
15:30
Fukuoka Mojiko Retro Town, Minato house High Reliable AlGaInAs Lasers by Improved Facet-Coating Processes
Hiroyuki Ichikawa, Chie Fukuda, Shinji Matsukawa, Nobuyuki Ikoma (SEI) OCS2010-83 OPE2010-119 LQE2010-92
AlGaInAs lasers are suitable for element devices of optical communication systems. However, degradations in forward-bias... [more] OCS2010-83 OPE2010-119 LQE2010-92
pp.157-162
CPM, OPE, R 2010-04-16
14:50
Tokyo Kikai-Shinko-Kaikan Bldg. Reduction in Facet Temperature of AlGaInAs Edge-Emitting Lasers
Hiroyuki Ichikawa, Nobuyuki Ikoma (SEI) R2010-4 CPM2010-4 OPE2010-4
AlGaInAs edge-emitting lasers have been expected for element devices for optical communication systems. However, increas... [more] R2010-4 CPM2010-4 OPE2010-4
pp.17-22
LQE 2009-12-11
11:00
Tokyo Kikai-Shinko-Kaikan Bldg. Relationship between Facet Stress and Reliability of Edge-Emitting AlGaInAs Laser Diodes
Hiroyuki Ichikawa, Akiko Kumagai, Naoya Kono, Shinji Matsukawa, Chie Fukuda, Keiko Iwai, Nobuyuki Ikoma (Sumitomo Electric Industries, Ltd.) LQE2009-142
Although facet stress is one of the important parameters in edge-emitting laser diodes (LDs), the relationship between f... [more] LQE2009-142
pp.19-23
LQE, OPE 2009-06-19
16:20
Tokyo Kikai-Shinko-Kaikan Bldg. 1.3um AlGaInAs/InP DFB Lasers with Ridge-Waveguide Structure Buried by Benzocyclobutene Polymer
Hideki Yagi, Yutaka Onishi, Yukihiro Tsuji, Hiroyuki Ichikawa, Hiroyuki Yoshinaga, Toshio Nomaguchi, Kenji Hiratsuka, Katsumi Uesaka (Sumitomo Electric Ind, LTD.) OPE2009-27 LQE2009-30
1.3um AlGaInAs/InP distributed feedback (DFB) lasers with the ridge-waveguide structure buried by the benzocyclobutene (... [more] OPE2009-27 LQE2009-30
pp.59-62
OPE, CPM, R 2009-04-17
13:40
Tokyo Kikai-Shinko-Kaikan Bldg. Electrostatic-Discharge Tolerance of AlGaInAs Laser Diodes
Hiroyuki Ichikawa, Chie Fukuda, Shinji Matsukawa, Kotaro Hamada, Nobuyuki Ikoma, Takashi Nakabayashi (Sumitomo Electric Industries, Ltd.) R2009-2 CPM2009-2 OPE2009-2
This is a report on electrostatic discharge (ESD)-induced degradation of AlGaInAs/InP laser diodes. We found that the do... [more] R2009-2 CPM2009-2 OPE2009-2
pp.7-10
SIS 2009-03-06
11:35
Tokyo   A study of signaling protocol for Internet-VPN
Yuka Kamizuru, Hiroaki Hata, Hiroyuki Ichikawa (NTT Communications)
Various small computing devices are used for sensor or device controller over the Internet. To control the devices from ... [more] SIS2008-84
pp.69-72
IN, NS
(Joint)
2009-03-03
11:30
Okinawa Okinawa-Zanpamisaki Royal Hotel Proposal of the Web-Softphone, an Integration of Web and P2P
Taichi Kawabata, Shin Miyakawa, Hiroyuki Ichikawa (NTT-COM), Gotaro Hayashida (NTT-SOFT) IN2008-152
Recently, various client-server network service based on Web/HTTP service has been flourishing. This made the ubiquitou... [more] IN2008-152
pp.121-126
IN, NS
(Joint)
2009-03-04
14:20
Okinawa Okinawa-Zanpamisaki Royal Hotel A Study and Evaluation on NAT Traversal and Encryption for IP Communication Systems "Seamless Connection"
Tomohiro Nishitani, Yuka Kamizuru, Kazuhiro Arai, Hiroaki Hata, Hiroyuki Ichikawa (NTT Comm.) NS2008-180
It is significant for IP communication services to use various access lines using VoIP (Voice over IP). Because most of ... [more] NS2008-180
pp.211-216
CS, IN, NS
(Joint)
2008-09-11
11:20
Miyagi Tohoku University A Study and Evaluation on NAT Traversal for IP Communication Systems: "Seamless Connection"
Tomohiro Nishitani, Kazuhiro Arai, Hiroyuki Ichikawa (NTT Communications Corp.) NS2008-46
It is significant for IP communication services to use various access lines using VoIP. Because most of company networks... [more] NS2008-46
pp.23-28
IA 2008-07-09
13:30
Tokyo Shinagawa Inter-City (mornign), The Grand Hall (afternoon) [Panel Discussion] Expectations requirements for netconf from the internet operators' point of view.
Dai Kuwabara, Tomoya Yoshida, Takanori Mizuguchi, Hiroyuki Ichikawa (NTT Communications) IA2008-22
 [more] IA2008-22
pp.55-58
CPM, OPE, R 2007-04-20
15:45
Tokyo Kikai-Shinko-Kaikan Bldg. Degradation analysis of GaInAsP/InP laser diode
Hiroyuki Ichikawa, Masashi Ito, Chie Fukuda, Kotaro Hamada, Akira Yamaguchi, Takashi Nakabayashi (Sumitomo Electric Industries) R2007-6 CPM2007-6 OPE2007-6
ESD-induced degradation is one of the serious reliability problems of GaInAsP/InP LD. We have conducted an analysis on E... [more] R2007-6 CPM2007-6 OPE2007-6
pp.29-33
IN, ICM, LOIS
(Joint)
2006-01-20
11:40
Kyoto Kyoto Univ. A Study on NGN Operation
Tsuyoshi Furukawa, Masakatsu Fujiwara, Hidenori Saito, Hiroyuki Ichikawa, Souhei Majima (NTT)
 [more] TM2005-54
pp.73-76
OPE, R, CPM 2005-04-22
13:50
Tokyo Kikai-Shinko-Kaikan Bldg. Degradation analysis of GaInAsP/InP laser diodes
Kotaro Hamada, Hiroyuki Ichikawa, Shinji Matsukawa, Takashi Nakabayashi, Akira Yamaguchi, Takashi Kato (Sumitomo Electric)
 [more] R2005-3 CPM2005-3 OPE2005-3
pp.11-15
ICM 2005-03-11
14:20
Okinawa Ishigaki City Hall An implementation of a Web system for customer configuring IP-Centrex service
Atsushi Yamakawa, Manabu Nakagawa, Hiroyuki Ichikawa, Hitoshi Kouno, Masahiro Oobata (NTT Com)
An introduction of IP-centrex services, which is using VoIP technology, into enterprise networks is in progress. A resul... [more] TM2004-111
pp.55-59
 Results 1 - 16 of 16  /   
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