Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
RCS, NS (Joint) |
2013-12-18 15:45 |
Kagawa |
Sunport Hall Takamatsu |
A Study on Discovery Signal for Efficient Macro-assisted Small Cell Discovery Mechanism in LTE SCE Hiroki Harada, Kazuaki Takeda, Satoshi Nagata (NTT DOCOMO), Hiroyuki Ishii (DOCOMO INNOVATIONS), Yoshihisa Kishiyama (NTT DOCOMO) RCS2013-215 |
In order to deal with an increasing mobile data traffic, a future radio access network may consist of macrocells with a ... [more] |
RCS2013-215 pp.53-58 |
RCS, NS (Joint) |
2013-12-18 16:10 |
Kagawa |
Sunport Hall Takamatsu |
Investigation on inter-cell interference suppression using small cell discovery signal in LTE-Advanced Kazuaki Takeda (NTT DOCOMO), Yu Jiang (DOCOMO Beijing Lab.), Hiroki Harada (NTT DOCOMO), Hiroyuki Ishii (DOCOMO Inovations) RCS2013-216 |
[more] |
RCS2013-216 pp.59-64 |
OPE, LQE, CPM, EMD, R |
2013-08-29 11:35 |
Hokkaido |
sun-refre Hakodate |
Low-crosstalk and high-modulation bandwidth operation of flip-chip interconnection EADFB laser array module Shigeru Kanazawa, Takeshi Fujisawa, Kiyoto Takahata, Akira Ohki, Ryuzo Iga, Hiroyuki Ishii (NTT) R2013-34 EMD2013-40 CPM2013-59 OPE2013-63 LQE2013-33 |
We developed the first EADFB laser array module with new flip-chip interconnects which provide low crosstalk and high mo... [more] |
R2013-34 EMD2013-40 CPM2013-59 OPE2013-63 LQE2013-33 pp.31-34 |
LQE, OPE |
2013-06-21 16:15 |
Tokyo |
|
High-accuracy, high-speed wavelength switching with Tunable distributed amplification (TDA-) DFB laser array Takuya Kanai, Nobuhiro Nunoya, Takayuki Yamanaka, Ryuzo Iga, Makoto Shimokozono, Hiroyuki Ishii (NTT) OPE2013-15 LQE2013-25 |
We have developed the tunable distributed amplification (TDA-) DFB laser array tuned by single tuning current without mo... [more] |
OPE2013-15 LQE2013-25 pp.43-48 |
OPE, LQE, OCS |
2012-10-26 09:25 |
Miyazaki |
|
An electroabsorption modulator integrated DFB laser for beyond 100G parallel LAN applications Takeshi Fujisawa, Shigeru Kanazawa, Kiyoto Takahata, Akira Ohki, Yuta Ueda, Wataru Kobayashi, Ryuzo Iga, Hiroaki Sanjoh, Takayuki Yamanaka, Masaki Kohtoku, Hiroyuki Ishii (NTT) OCS2012-60 OPE2012-111 LQE2012-77 |
In 100GbE, a multi-lane LAN-WDM system, in which four 25-Gbit/s light sources with different waveglengths are used for t... [more] |
OCS2012-60 OPE2012-111 LQE2012-77 pp.97-101 |
SR, AN, USN, RCS (Joint) |
2012-10-17 11:15 |
Fukuoka |
Fukuoka univ. |
Cell identification performance based on hierarchical synchronization channels in dense small cell environment Hiroki Harada, Akihito Morimoto, Yusuke Ohwatari, Satoshi Nagata (NTT DOCOMO), Hiroyuki Ishii (DOCOMO Innovations), Yukihiko Okumura (NTT DOCOMO) RCS2012-130 |
[more] |
RCS2012-130 pp.31-36 |
SAT, RCS (Joint) |
2012-08-30 11:05 |
Kochi |
Kochi City Cultura-Plaza CUL-PORT |
Conceptual Views and Radio Access Technologies for Future Evolution of LTE-A Anass Benjebbour, Yoshihisa Kishiyama (NTT DOCOMO), Hiroyuki Ishii (DOCOMO Innovations), Takehiro Nakamura (NTT DOCOMO) RCS2012-100 |
[more] |
RCS2012-100 pp.25-30 |
IN, RCS (Joint) |
2012-05-17 09:25 |
Tokyo |
Kuramae-Kaikan, Tokyo Institute of Technology |
Investigation on Transmission Power Control Suitable for Heterogeneous Network Employing Cell Range Expansion in LTE-Advanced Uplink Akihito Morimoto, Nobuhiko Miki (NTT DOCOMO), Hiroyuki Ishii (DOCOMO Innovations, Inc), Daisuke Nishikawa, Yukihiko Okumura (NTT DOCOMO) RCS2012-22 |
In Long-Term Evolution (LTE)-Advanced, heterogeneous networks where femtocells and picocells are overlaid onto macrocell... [more] |
RCS2012-22 pp.1-6 |
EMT, PN, LQE, OPE, MWP, EST, IEE-EMT [detail] |
2012-01-26 15:40 |
Osaka |
Osaka Univ. Convention Center |
Mode-hop-free tunable wavelength lasers and their applications Nobuhiro Nunoya, Hiroyuki Ishii, Ryuzo Iga, Tomonari Sato, Hiromi Oohashi (NTT) PN2011-48 OPE2011-164 LQE2011-150 EST2011-98 MWP2011-66 |
Tunable wavelength lasers without mode hopping have been developed for both high-speed wavelength switching and stable o... [more] |
PN2011-48 OPE2011-164 LQE2011-150 EST2011-98 MWP2011-66 pp.99-102 |
OCS, LQE, OPE |
2011-10-27 15:15 |
Kochi |
Kochi University of Technology |
A monolithically integrated light source for future-generation 100GbE transceiver Takeshi Fujisawa, Shigeru Kanazawa, Hiroyuki Ishii, Yoshihiro Kawaguchi, Nobuhiro Nunoya, Akira Ohki, Kiyoto Takahata, Ryuzo Iga, Fumiyoshi Kano, Hiromi Oohashi (NTT) OCS2011-68 OPE2011-106 LQE2011-69 |
We have fabricated a small optical trasnmitter module based on monolithically integrated light source, in which four 25G... [more] |
OCS2011-68 OPE2011-106 LQE2011-69 pp.77-80 |
SCE |
2011-07-13 11:10 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Development of a HTS UWB Bandpass Filter Using a Microstrip Stubs-Loaded Three-Mode Resonator Hiroyuki Ishii (Yamagata Univ.), Toru Kimura (Saitama Univ.), Naotaka Kobayashi, Atsushi Saito (Yamagata Univ.), Zhewang Ma (Saitama Univ.), Shigetoshi Ohshima (Yamagata Univ.) SCE2011-1 |
In this paper, We developed a high-temperature superconducting (HTS) UWB bandpass filter using a microstrip three-mode r... [more] |
SCE2011-1 pp.1-6 |
OPE, OCS (Joint) |
2011-05-13 16:40 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
[Invited Talk]
Report of OFC/NFOEC 2011
-- Active Modules/Devices -- Hiroyuki Ishii (NTT) OCS2011-7 OPE2011-11 |
This paper reports topics of active modules and devices presented in OFC/NFOEC2011, held in 6-10 March, 2011, Los Angele... [more] |
OCS2011-7 OPE2011-11 pp.29-32(OCS), pp.15-18(OPE) |
RCS, MoNA, SR (Joint) |
2011-03-03 11:30 |
Kanagawa |
YRP |
A Study on Management Technique of Carrier Aggregation in LTE-Advanced Kengo Yagyu, Takeshi Nakamori, Hiroyuki Ishii, Mikio Iwamura, Nobuhiko Miki, Takahiro Asai, Junichiro Hagiwara (DOCOMO) RCS2010-272 |
The standardization of LTE-Advanced (LTE-A) as an enhanced form of LTE is now underway at the 3rd Generation Partnership... [more] |
RCS2010-272 pp.145-150 |
EMD, OPE, LQE, CPM |
2010-08-27 18:10 |
Hokkaido |
Chitose Arcadia Plaza |
Directly modulated DFB lasers for flip chip mounting Shigeru Kanazawa, Akira Ohki, Toshio Ito, Ryuzo Iga, Tomonari Sato, Hiroyuki Ishii, Hiromi Oohashi (NTT) EMD2010-62 CPM2010-78 OPE2010-87 LQE2010-60 |
[more] |
EMD2010-62 CPM2010-78 OPE2010-87 LQE2010-60 pp.169-174 |
SDM |
2010-06-22 14:10 |
Tokyo |
An401・402 Inst. Indus. Sci., The Univ. of Tokyo |
Relationships among Interface Composition, Bonding Structures and MIS Properties at High-k/III-V Interfaces Tetsuji Yasuda, Noriyuki Miyata, Yuji Urabe, Hiroyuki Ishii, Taro Itatani, Tatsuro Maeda (AIST), Hisashi Yamada, Noboru Fukuhara, Masahiko Hata (Sumitomo Chemical), Akihiro Ohtake (NIMS), Takuya Hoshii, Masafumi Yokoyama, Mitsuru Takenaka, Shinichi Takagi (Univ. of Tokyo) SDM2010-42 |
There has been a significant interest in the III-V channel MISFET technology which expectedly enables performance improv... [more] |
SDM2010-42 pp.49-54 |
OPE, LQE, OCS |
2009-10-23 16:05 |
Fukuoka |
|
Full C-Band 40-Gbit/s DPSK modulation using InP n-p-i-n Mach-Zehnder Modulator Monolithically Integrated with SOA Nobuhiro Kikuchi, Yasuo Shibata, Takako Yasui, Hiroyuki Ishii, Tomonari Sato, Yoshihiro Kawaguchi, Fumiyoshi Kano (NTT Corp.) OCS2009-78 OPE2009-144 LQE2009-103 |
[more] |
OCS2009-78 OPE2009-144 LQE2009-103 pp.183-186 |
LQE |
2008-12-12 14:10 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Spectral Linewidth Reduction in Tunable DFB Laser Array (TLA) Hiroyuki Ishii, Kazuo Kasaya, Hiromi Oohashi (NTT) LQE2008-136 |
We have developed an L-band tunable distributed feedback laser array (TLA) with a new design to reduce the spectral line... [more] |
LQE2008-136 pp.43-46 |
OCS, LQE, OPE |
2008-10-24 14:05 |
Fukuoka |
Kyushu Univ. |
Fast frequency sweep using SSG-DBR laser integrating thermal drift compensation mesa structure Naoki Fujiwara, Hiroyuki Ishii, Yoshihiro Kawaguchi, Yasuhiro Kondo, Hiromi Oohashi, Fumiyoshi Kano (NTT Photonics Labs.) OCS2008-76 OPE2008-119 LQE2008-88 |
SSG-DBR-LD is attractive for various applications in, for example, WDM systems and medical OCT systems, because of its f... [more] |
OCS2008-76 OPE2008-119 LQE2008-88 pp.149-152 |
OPE, EMT, MW |
2008-07-24 15:15 |
Hokkaido |
|
Calcluation of Electromagnetic Radiation from PCB by Using Gaber Data and Netlist Hiroyuki Ishii, Hideki Kawaguchi (Muroran IT) MW2008-67 OPE2008-50 |
According to appearance of useful design software of printed circuit board (PCB) and commercial service of the printed c... [more] |
MW2008-67 OPE2008-50 pp.113-116 |
LQE |
2007-12-07 15:45 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Wavelength tunable laser module integrated with InP Mach-Zehnder modulator Ken Tsuzuki, Nobuhiro Kikuchi, Hiroaki Sanjoh, Yasuo Shibata, Hiroyuki Ishii, Hiroshi Yasaka (NTT) LQE2007-122 |
We have developed a 10 Gbit/s compact wavelength tunable transmitter by integrating a wavelength tunable DFB laser array... [more] |
LQE2007-122 pp.47-50 |
|