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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 35  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
OFT 2022-05-13
15:25
Aomori Aomori-Aspm Bldg
(Primary: On-site, Secondary: Online)
[Invited Talk] Analysis and experiments of surface-plasmon tip-tapered fiber sensor with gold nanoparticles
Masahiro Yamamoto, Tatuya Matumura, Yuichi Matsushima, Hiroshi Ishikawa, Katsuyuki Utaka (Waseda Univ.)
Today, surface plasmon sensors are used in a wide range of fields such as environment, plant, biology, chemistry, medici... [more]
EMD, LQE, OPE, CPM, R 2018-08-24
14:05
Hokkaido Otaru Camber of Commerce & Industry Demonstration of All-Optical Logic Gate Device using MQW-SOA and 10Gbps XNOR Operation
Akashi Yota, Shin'e Matsui, Shohei Isawa (Waseda Univ.), Atsushi Matsumoto (NICT), Yuichi Matsushima, Hiroshi Ishikawa, Katsuyuki Utaka (Waseda Univ.) R2018-32 EMD2018-35 CPM2018-35 OPE2018-62 LQE2018-51
We proposed all-optical logic gate device as a label recognition device for all optical packet networks, which was integ... [more] R2018-32 EMD2018-35 CPM2018-35 OPE2018-62 LQE2018-51
pp.79-82
OCS, OPE, LQE 2017-10-26
11:15
Kumamoto Josaien, Sakuranobaba 1550nm range quantum dots laser integrated with composition-intermixed quantum dots waveguide
Shin'e Matsui, Yota Akashi, Shohei Isawa, Atsushi Matsumoto (Waseda Univ.), Koichi Akahane (NICT), Yuichi Matsushima (Waseda Univ. GCS), Hiroshi Ishikawa, Katsuyuki Utaka (Waseda Univ.) OCS2017-39 OPE2017-71 LQE2017-44
We had developed composition-intermixing technique using ion implantation and rapid thermal annealing (QDI: Quantum Dots... [more] OCS2017-39 OPE2017-71 LQE2017-44
pp.19-24
OPE, LQE 2016-06-17
11:25
Tokyo   1550nm range quantum dots laser integrated with composition-intermixed quantum dots waveguide
Shin'e Matsui, Yuki Takei (Waseda Univ.), Atsushi Matsumoto, Koichi Akahane (NICT), Yuichi Matsushima, Hiroshi Ishikawa, Katsuyuki Utaka (Waseda Univ.) OPE2016-11 LQE2016-21
We had developed composition-intermixing technique using ion implantation and rapid thermal annealing (QDI: Quantum Dots... [more] OPE2016-11 LQE2016-21
pp.11-14
OPE, OME 2015-11-26
14:05
Kagawa Sunport-hall Takamatsu Design and Characterization of Polymer Multi-Dimensional Multi-Port Optical Switch for Optical Interconnection
Yuichi Kimura, Kensho Ema (Waseda Univ.), Yuichi Matsushima (GCS Org.), Hiroshi Isikawa, Katsuyuki Utaka (Waseda Univ.) OME2015-65 OPE2015-131
(To be available after the conference date) [more] OME2015-65 OPE2015-131
pp.1-5
LQE, OPE 2015-06-19
13:00
Tokyo   1550nm-Band Highly-Stacked QD Intermixing with Ar Implantation for Photonic Integrated Devices
Atsushi Matsumoto (NICT), Yuki Takei (Waseda Univ.), Kouichi Akahane, Naokatsu Yamamoto, Tetsuya Kawanishi (NICT), Hiroshi Ishikawa, Yuichi Matsushima, Katsuyuki Utaka (Waseda Univ.) OPE2015-12 LQE2015-22
In order to realize the monolithic optical integrated devices with using highly stacked semiconductor quantum dots struc... [more] OPE2015-12 LQE2015-22
pp.9-13
OCS, OPE, LQE 2014-10-30
13:15
Nagasaki Nagasaki Museum of History and Culture Gain Characteristics and Piezoelectric effect of 1550nm-Band QD-SOA Grown on InP(311)B Substrate for Ultra-Fast All-Optical Logic Gate Devices
Atsushi Matsumoto (NICT), Yuki Takei (Waseda Univ.), Kouichi Akahane (NICT), Hiroshi Ishikawa, Yuichi Matsushima, Katsuyuki Utaka (Waseda Univ.) OCS2014-58 OPE2014-102 LQE2014-76
In this paper, we fabricated the QD-SOA consisting of the 20-layer-stacked QDs structure with the strain-compensation te... [more] OCS2014-58 OPE2014-102 LQE2014-76
pp.87-91
OPE, LQE 2014-06-20
11:00
Tokyo   Fabrication of SWCNT-embedded Si slot waveguide and observation of its nonlinear optical property
Sayoko Yamada, Koji Fukuda, Hiroyuki Kuwae, Jun Mizuno (Waseda Univ.), Tadashi Takashima (YOSHIDA KIKAI CO. LTD), Syotaro Ono, Yuichi Matsushima, Hiroshi Ishikawa, Katsuyuki Utaka (Waseda Univ.) OPE2014-13 LQE2014-18
Single-walled carbon nanotubes (SWCNTs) have attracted much attention as a nonlinear optical material. We have fabricate... [more] OPE2014-13 LQE2014-18
pp.7-10
OPE, LQE 2014-06-20
16:15
Tokyo   Study of Integration using Highly-Stacked Quantum Dots SOA and Intermixed Waveguide for All-Optical Logic Gate Devices
Yuki Takei, Atsushi Matsumoto, Asuka Matsushita (Waseda Univ.), Kouichi Akahane (NICT), Yuichi Matsushima, Hiroshi Ishikawa, Katsuyuki Utaka (Waseda Univ.) OPE2014-20 LQE2014-25
In this paper, we fabricated the QD-SOA and QDI-MMRs for the purpose of all optical logic gate device, and measured the ... [more] OPE2014-20 LQE2014-25
pp.35-38
PN 2014-03-03
14:45
Kagawa Tokushima Bunri University [Encouragement Talk] High-speed and Compact Non-blocking 8x8 InAlGaAs/InAlAs Mach-Zehnder-Type Optical Switch Fabric
Hiroki Koketsu, Syoko Kawasaki, Noriaki Koyama (Waseda Univ.), Aki Takei, Takafumi Taniguchi (Hitachi), Yuichi Matsushima, Katsuyuki Utaka (Waseda Univ.) PN2013-97
 [more] PN2013-97
pp.39-42
LQE 2013-12-13
14:25
Tokyo   Fundamental Characteristics of 1550nm-Band 20-Layer-Stacked QD-SOA Grown on InP(311)B Substrate for All-Optical Logic Gate Device
Atsushi Matsumoto, Asuka Matsushita, Yuki Takei (Waseda Univ.), Kouichi Akahane (NICT), Yuichi Matsushima, Katsuyuki Utaka (Waseda Univ.) LQE2013-133
In this paper, we fabricated the QD-SOA which utilized the 20-layer-stacked quantum dots structure with the strain-compe... [more] LQE2013-133
pp.41-44
OPE, OME 2013-11-22
17:00
Tokyo Kikai-Shinko-Kaikan Bldg. Proposal of multiport Switching Operation of Polymer Three-Dimensional Optical Interconnection Switch
Hisaya Kobayashi, Kana Wakamatu, Yuichi Matsushima, Katsuyuki Utaka (Waseda Univ)
We proposed and analyzed thermo-optic (TO) polymer multi-ported three-dimensional optical interconnection switches, in w... [more]
PN 2013-11-11
14:00
Tokyo Waseda University High-speed and Compact Non-blocking 8x8 InAlGaAs/InAlAs Mach-Zehnder-Type Optical Switch Fabric
Hiroki Koketsu, Syoko Kawasaki, Noriaki Koyama (Waseda Univ.), Aki Takei, Takafumi Taniguchi (Hitachi), Yuichi Matsushima, Katsuyuki Utaka (Waseda Univ.) PN2013-24
High-speed switches are essential devices to construct the next-generation optical networks. We fabricated a compact non... [more] PN2013-24
pp.1-4
OPE 2012-12-21
14:30
Tokyo Kikai-Shinko-Kaikan Bldg. Investigation of Polarization-Independent Low-Power Consumption Silicon Optical Switch using Wire-Waveguide Directional Coupler
Toru Ushio, Kentaro Tsukamoto (Waseda Univ.), Yuichi Matsushima (GCS), Katsuyuki Utaka (Waseda Univ.) OPE2012-137
Recently, information and communication traffics are intensively increasing, and it has being causing a serious problem ... [more] OPE2012-137
pp.17-20
OPE, LQE, EMD, CPM, OME
(Joint) [detail]
2012-06-22
09:30
Tokyo Kikai-Shinko-Kaikan Bldg. Proposal and Fundamental Characteristics of Compact, High-Sensitivity and 1500nm-Range SPR Sensor by Polymer Waveguide-type Kretschmann Structure
Shin Kobayashi, Hirofumi Shimazu, Katsuyuki Utaka (Waseda Univ.) OPE2012-9 LQE2012-13
In the fields of chemical plants, biotechnology, architectures and environments, the needs of small, high sensitivity an... [more] OPE2012-9 LQE2012-13
pp.1-4
PN 2012-03-12
14:55
Nagasaki BaramonNetKan [Encouragement Talk] 4x4 InAlGaAs/InAlAs Optical Switch Fabric by Cascading Mach-Zehnder Interferometer-type Optical Switches with Low-power and Low-polarization-dependent Operation
Yuta Ueda, Noriaki Koyama, Kazuki Kambayashi, Shinji Fujimoto, Katsuyuki Utaka (Waseda Univ.), Takashi Shiota, Takeshi Kitatani (Hitachi) PN2011-89
High-speed optical switches are essential devices to construct next generation optical networks. We have studied on 2 x ... [more] PN2011-89
pp.43-47
PN 2012-03-13
14:15
Nagasaki BaramonNetKan Fundamental Transmission Characteristics of Polymer Three-Dimensional Optical Circuit
Takuya Tatsuzaki, Takayuki Hoshina, Genki Yuzawa, Katsuyuki Utaka (Waseda Univ.) PN2011-95
As an increase of information traffic, all optical network has been required. Optical devices are needed to be equipped ... [more] PN2011-95
pp.75-78
LQE, OPE 2011-06-30
15:25
Tokyo Kikai-Shinko-Kaikan Bldg. Numerical Analysis of Ultra-fast (160Gb/s) Optical Logic Gate Devices with Integrated InAs QD-SOA and Ring Resonators
Atsushi Matsumoto, Keichiroh Kuwata (Waseda Univ.), Kouichi Akahane (NICT), Katsuyuki Utaka (Waseda Univ.) OPE2011-24 LQE2011-24
We analytically investigate the dynamic behaviors of the proposed optical XNOR and AND logic gate devices, with a monoli... [more] OPE2011-24 LQE2011-24
pp.47-51
PN 2011-03-01
12:40
Kagoshima KKR Kagoshima Keitenkaku 4 x 4 InAlGaAs/InAlAs optical switch fabric by cascading Mach-Zehnder Interferometer-type optical switches with low-power and low-polarization-dependent operation
Yuta Ueda, Noriaki Koyama, Kazuki Kambayashi, Shinji Fujimoto, Katsuyuki Utaka (Waseda Univ.), Takashi Shiota, Takeshi Kitatani (Hitachi) PN2010-71
High-speed optical switches are essential devices to construct next generation optical networks. We have studied on 2 x ... [more] PN2010-71
pp.77-80
OPE, LQE 2010-06-25
16:25
Tokyo Kikai-Shinko-Kaikan Bldg. Fabrication and evaluation of polymer waveguide Bragg filter by nanoimprint
Takafumi Hashimoto, Nan Xie, Jun Mizuno, Hirotoshi Mori, Takuya Tatsuzaki, Katsuyuki Utaka (Waseda Univ.) OPE2010-19 LQE2010-21
We demonstrated polymer waveguide Bragg grating filter by one-step nanoimprint using 3dimentional mold mask. As core and... [more] OPE2010-19 LQE2010-21
pp.21-24
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