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 |