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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| OPE, LQE | 2014-06-20 10:35 |
Tokyo | Examination of structure control of the carbon nanotube by LASER ASSIST method Katsuki Watanabe, Hiroshi Takai (Tokyo Denki Univ.), Kouichi Akahane, Naokatsu Yamamoto (NICT)  OPE2014-12 LQE2014-17 |
Carbon nanotube (CNT) has a good optical characteristic, and is receiving a lot of attention to the new photonic devices... [more] | OPE2014-12 LQE2014-17 pp.1-6 |
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| 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 |
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| MWP, EMT, PN, LQE, OPE, EST, IEE-EMT [detail] | 2014-01-24 15:55 |
Kyoto | Doshisha University | Quantum dot photonic devices for realizing T+O band photonic network system Naokatsu Yamamoto, Kouichi Akahane, Atsushi Kanno, Toshimasa Umezawa, Tetsuya Kawanishi (NICT), Hideyuki Sotobayashi (Aoyama Gakuin Univ.), Hiroshi Takai (Tokyo Denki Univ.) PN2013-80 OPE2013-194 LQE2013-180 EST2013-129 MWP2013-100 |
[more] | PN2013-80 OPE2013-194 LQE2013-180 EST2013-129 MWP2013-100 pp.293-298 |
| ED | 2013-12-16 14:45 |
Miyagi | Research Institute of Electrical Communication Tohoku University | Development of high speed photodetector for millimeter wave Radio over Fiber system Toshimasa Umezawa, Kouichi Akahane, Atsushi Kanno, Tetsuya Kawanishi (NICT) ED2013-94 |
[more] | ED2013-94 pp.25-28 |
| LQE | 2013-12-13 14:00 |
Tokyo | A semiconductor optical amplifier for 1.55 um fiber optic communications system comprising highly stacked InAs quantum dots fabricated using the strain-compensation technique Kouichi Akahane, Naokatsu Yamamoto, Toshimasa Umezawa, Atsushi Kanno, Guo-Wei Lu, Tetsuya Kawanishi (NICT) LQE2013-132 |
[more] | LQE2013-132 pp.37-40 |
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| 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 |
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| MWP | 2013-11-29 16:05 |
Tokyo | Railway Technical Research Institute | InAs quantum dot two-mode laser at 1.55 μm-band for 90GHz radio over fiber applications Kouichi Akahane, Naokatsu Yamamoto, Toshimasa Umezawa, Atsushi Kanno, Keizo Inagaki, Tetsuya Kawanishi (NICT) MWP2013-52 |
[more] | MWP2013-52 pp.29-32 |
| LQE, OCS, OPE | 2013-10-25 10:50 |
Fukuoka | Application of InAs based quantum dot layer for high speed photo-detection device Toshimasa Umezawa, Kouichi Akahane, Atsushi Kanno, Tetsuya Kawanishi (NICT) OCS2013-68 OPE2013-114 LQE2013-84 |
[more] | OCS2013-68 OPE2013-114 LQE2013-84 pp.95-98 |
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| LQE, LSJ | 2013-05-17 14:15 |
Ishikawa | Transfer and retrieval of telecom-wavelength picoseconds single-photon qubits to quantum dots Kazumasa Suzuki, Koichiro Konichi (Keio Univ.), Kouichi Akahane (NICT), Junko Ishi-Hayase (Keio Univ.) LQE2013-10 |
We demonstrate the coherent transfer and retrieval of picosecound single-photon time-bin qubits to a quantum dot ensembl... [more] | LQE2013-10 pp.45-48 |
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| LQE, LSJ | 2013-05-17 14:40 |
Ishikawa | Two-mode lasing of wavelength tunable quantum dot laser Kouichi Akahane, Naokatsu Yamamoto, Atsushi Kanno, Keizo Inagaki, Toshimasa Umezawa, Tetsuya Kawanishi (NICT), Takashi Endo, Yasunori Tomomatsu, Toshio Yamanoi (Koshin Kogaku) LQE2013-11 |
A two-wavelength emission laser can be used to generate millimeter and terahertz waves by irradiating high speed photodi... [more] | LQE2013-11 pp.49-52 |
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| LQE | 2012-12-13 09:35 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Gain characterization of 19-stacked InGaAs/GaAs quantum dot laser diode fabricated by ultrahigh rate MBE growth technique Fumihiko Tanoue, Hiroharu Sugawara (Tokyo Metropolitan Univ.), Kouichi Akahane, Naokatsu Yamamoto (NICT) LQE2012-121 |
19-stacked InGaAs quantum dot (QD) laser diode was fabricated by using ultrahigh-rate molecular beam epitaxial (MBE) gro... [more] | LQE2012-121 pp.1-4 |
| LQE, CPM, EMD, OPE, R | 2012-08-23 16:05 |
Miyagi | Tohoku Univ. | Development of broadband quantum-dot optical gain device with InAs/InGaAs quantum-dot structure Yuki Yoshioka (Tokyo Denki Univ), Naokatsu Yamamoto, Kouichi Akahane, Tetsuya Kawanishi (NICT), Hideyuki Sotobayashi (Aoyama Gakuin Univ), Hiroshi Takai (Tokyo Denki Univ) R2012-31 EMD2012-37 CPM2012-62 OPE2012-69 LQE2012-35 |
Significant expansion and effective use of optical frequency resources are expected to be an important technology for fu... [more] | R2012-31 EMD2012-37 CPM2012-62 OPE2012-69 LQE2012-35 pp.51-56 |
| OFT | 2012-05-24 16:55 |
Gifu | Hida, Earth Wisdom Center | Evaluation of the O-band transmission system by using quantum dot laser and holey fiber Yasuaki Kurata, Yu Omigawa, Takuya Irago, Hideyuki Sotobayashi (Aoyama Gakuin Univ.), Naokatsu Yamamoto, Kouichi Akahane, Tetsuya Kawanishi (NICT), Yuki Yoshioka, Hiroshi Takai (TDU) OFT2012-6 |
To expand the usable wavelength bandwidth for optical communications, we have focused on a use of a 1.3-μm wavelength ba... [more] | OFT2012-6 pp.27-30 |
| EMT, PN, LQE, OPE, MWP, EST, IEE-EMT [detail] | 2012-01-26 10:20 |
Osaka | Osaka Univ. Convention Center | Development of half-cladding semiconductor laser structure for light-wave transmission near the surface field Daisuke Murakami, Shinji Yasuda, Yuki Yoshioka (TDU), Naokatsu Yamamoto, Kouichi Akahane, Tetsuya Kawanishi (NICT), Hiroshi Takai (TDU) PN2011-46 OPE2011-162 LQE2011-148 EST2011-96 MWP2011-64 |
A control of the light-wave properties is critical issue in developing attractive photonic devices. We have focused on g... [more] | PN2011-46 OPE2011-162 LQE2011-148 EST2011-96 MWP2011-64 pp.91-94 |
| CPM, OPE, LQE, EMD | 2011-08-26 13:55 |
Hokkaido | Hokkaido Univ. | Fabrication of highly stacked InGaAs/GaAs quantum dot laser diode for 1-um photonic waveband with ultrahigh rate MBE growth technique Fumihiko Tanoue, Hiroharu Sugawara (TMU), Kouichi Akahane, Naokatsu Yamamoto (NICT) EMD2011-54 CPM2011-98 OPE2011-89 LQE2011-52 |
[more] | EMD2011-54 CPM2011-98 OPE2011-89 LQE2011-52 pp.113-116 |
| OPE, MW, MWP, EMT, EST, IEE-EMT [detail] | 2011-07-21 14:05 |
Hokkaido | Development of external-cavity type wavelength-tunable light source with broadband quantum dots optical gain for T-and O-bands Yuki Yoshioka (TDU), Naokatsu Yamamoto, Kouichi Akahane, Tetsuya Kawanishi (NICT), Hiroshi Takai (TDU) MW2011-46 OPE2011-33 EST2011-32 MWP2011-14 |
Significant expansion and effective use of optical frequency resources are believed to be an important technology for fu... [more] | MW2011-46 OPE2011-33 EST2011-32 MWP2011-14 pp.51-55 |
|
| OCS | 2011-07-11 16:05 |
Osaka | Osaka Univ. Nakanoshima Center | PolarizationDivision Multiplexed 2×10-Gbps Optical Data Transmissionsin T-waveband with Holey Fiber Photonic Transport System Yu Omigawa, Yuta Kinoshita (Aoyama Gakuin Univ.), Naokatsu Yamamoto, Atsushi Kanno, Kouichi Akahane, Tetsuya Kawanishi (NICT), Hideyuki Sotobayashi (Aoyama Gakuin Univ.) OCS2011-32 |
The ever-growing demand for high data transmission capacities has created a need for the use of alternative wavebands an... [more] | OCS2011-32 pp.35-38 |
| 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 |
| LQE | 2010-12-17 10:45 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Wavelength Tunability of Highly Stacked Quantum Dot Laser Fabricated by a Strain Compensation Technique Kouichi Akahane, Naokatsu Yamamoto, Tetsuya Kawanishi (NICT) LQE2010-117 |
We have fabricated a highly stacked InAs QD structure and incorporated it into a QD laser. We used a strain compensation... [more] | LQE2010-117 pp.13-16 |
| OPE | 2010-12-17 17:05 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Quantum dot optical-gain ICT-devices for development of optical frequency resources Naokatsu Yamamoto, Kouichi Akahane, Tetsuya Kawanishi (NICT), Hideyuki Sotobayashi (AGU) OPE2010-140 |
[more] | OPE2010-140 pp.49-53 |
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