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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| EMD, R, LQE, OPE, CPM | 2022-08-26 14:00 |
Chiba | (Primary: On-site, Secondary: Online) |
[Invited Talk]
High performance photonic devices for massive integration Kouichi Akahane, Atsushi Matsumoto, Toshimasa Umezawa, Naokatsu Yamamoto, Atsushi Kanno (NICT)  R2022-27 EMD2022-15 CPM2022-32 OPE2022-58 LQE2022-21 |
[more] | R2022-27 EMD2022-15 CPM2022-32 OPE2022-58 LQE2022-21 pp.58-61 |
| R, LQE, OPE, CPM, EMD | 2020-08-28 15:35 |
Online | Online | [Invited Talk]
Multi-pixel type photodetector and its application for coherent receiver Toshimasa Umezawa, Yuki Yoshida, Atsushi Kanno, Naokatsu Yamamoto (NICT), Tetsuya Kawanishi (Waseda Uni.) R2020-16 EMD2020-15 CPM2020-8 OPE2020-28 LQE2020-8 |
[more] | R2020-16 EMD2020-15 CPM2020-8 OPE2020-28 LQE2020-8 pp.33-37 |
| OPE, LQE, OCS | 2019-11-11 14:55 |
Tokyo | Kikai-Shinko-Kaikan Bldg (Tokyo) | [Invited Talk]
Report of ECOC 2019
-- Optical interconnect and related technologies -- Toshimasa Umezawa, Kanna Aoki, Satoshi Shinada, Naokatsu Yamamoto (NICT) OCS2019-55 OPE2019-93 LQE2019-71 |
This paper reports topics of an optical interconnect technology and related technologies presented in ECOC2019, which he... [more] | OCS2019-55 OPE2019-93 LQE2019-71 pp.17-22 |
| LQE, OCS, OPE | 2019-05-13 16:50 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | [Special Invited Talk]
Phase-retrieving Coherent Detection by a High-speed Photodetector Array Yuki Yoshida, Toshimasa Umezawa, Atsushi Kanno, Naokatsu Yamamoto (NICT) OCS2019-8 OPE2019-8 LQE2019-8 |
A novel coherent detection technique based on phase retrieval is introduced. A 2-D arrayed photodetector with a novel di... [more] | OCS2019-8 OPE2019-8 LQE2019-8 pp.29-34 |
| EMD, LQE, OPE, CPM, R | 2018-08-24 14:30 |
Hokkaido | Otaru Camber of Commerce & Industry | Application of Si-Photonics-Based Quantum Dot External cavity Tunable Laser for the 1um-band Atsushi Matsumoto, Toshimasa Umezawa, Naokatsu Yamamoto (NICT), Tomohiro Kita (Waseda Univ.) R2018-33 EMD2018-36 CPM2018-36 OPE2018-63 LQE2018-52 |
In recent years, information and communication traffic have exponentially increased. So far, we have paid attention not ... [more] | R2018-33 EMD2018-36 CPM2018-36 OPE2018-63 LQE2018-52 pp.83-86 |
| LQE | 2018-02-23 14:10 |
Kanagawa | [Invited Talk]
Millimeter-THz wave high speed photodetector technology for advanced wireless communications Toshimasa Umezawa, Naokatsu Yamamoto (NICT) LQE2017-155 |
[more] | LQE2017-155 pp.19-22 |
|
| LQE, LSJ | 2017-05-26 15:00 |
Ishikawa | Extreme Thermal Stability of 1550 nm Band Highly Stacked QD-LDs with p-Doped Structure Atsushi Matsumoto, Kouichi Akahane, Toshimasa Umezawa, Naokatsu Yamamoto (NICT) LQE2017-19 |
In this paper, we fabricated 1.55-μm band p-doped broad-area (BA) and ridge structured 30-layer stacked quantum-dot (QD)... [more] | LQE2017-19 pp.79-84 |
|
| LQE, LSJ | 2016-05-19 16:00 |
Fukui | Research on quantum dot optical gain modulator integrated with semiconductor optical amplifier Toshifumi Emori (NICT/TDU), Naokatsu Yamamoto, Kouichi Akahane, Toshimasa Umezawa, Atsushi Matsumoto, Tetsuya Kawanishi (NICT), Katsuki watanabe (NICT/TDU), Hiroshi Takai (TDU) LQE2016-5 |
(To be available after the conference date) [more] | LQE2016-5 pp.21-24 |
|
| LQE, EST, OPE, EMT, PN, MWP, IEE-EMT, PEM [detail] | 2016-01-28 16:20 |
Hyogo | [Invited Talk]
Report on MWP2015 Atsushi Kanno, Toshimasa Umezawa, Toshiaki Kuri (NICT), Shunichi Futatsumori (ENRI), Shintarou Hisatake (Osaka Univ.), Satoru Kurokawa (AIST), Hiroyuki Toda (Doshisha Univ.) PN2015-45 EMT2015-96 OPE2015-158 LQE2015-145 EST2015-102 MWP2015-71 |
2015 International Topical Meeting on Microwave Photonics (MWP2015) was held on October 26–29, 2015 in Annabelle H... [more] | PN2015-45 EMT2015-96 OPE2015-158 LQE2015-145 EST2015-102 MWP2015-71 pp.65-69 |
|
| LQE, EST, OPE, EMT, PN, MWP, IEE-EMT, PEM [detail] | 2016-01-28 14:45 |
Hyogo | OOK bias free operational 107 Gbaud high speed UTC-PD module Toshimasa Umezawa, Atsushi Kanno, Kouichi Akahane, Atsushi Matsumoto, Naokatsu Yamamoto (NICT), Tetsuya Kawanishi (Waseda) PN2015-69 EMT2015-120 OPE2015-182 LQE2015-169 EST2015-126 MWP2015-95 |
[more] | PN2015-69 EMT2015-120 OPE2015-182 LQE2015-169 EST2015-126 MWP2015-95 pp.217-220 |
|
| OPE, LQE, OCS | 2015-10-30 11:15 |
Oita | Beppu International Convention Center | Characteristics of highly stacked InAs quantum-dot laser grown on vicinal (001)InP substrate Kouichi Akahane, Toshimasa Umezawa, Atsushi Matsumoto, Naokatsu Yamamoto (NICT) OCS2015-73 OPE2015-123 LQE2015-92 |
We fabricated broad-area laser diodes consisting of 30-layer stacks of InAs quantum dots by using a strain-compensation ... [more] | OCS2015-73 OPE2015-123 LQE2015-92 pp.159-162 |
| OCS, OPE | 2015-05-15 15:20 |
Tokyo | Kikai-Shinko-Kaikan Bldg(Tokyo) | [Invited Talk]
Report on OFC2015: Active devices Naokatsu Yamamoto, Toshimasa Umezawa, Takahide Sakamoto (NICT) OCS2015-6 OPE2015-6 |
(Advance abstract in Japanese is available) [more] | OCS2015-6 OPE2015-6 pp.21-26 |
| EST, OPE, LQE, EMT, PN, MWP, IEE-EMT [detail] | 2015-01-30 10:30 |
Osaka | Monolithically integrated quantum dot optical modulator with amplifier for pioneering huge optical frequency resources in T+O bands Naokatsu Yamamoto, Kouichi Akahane, Toshimasa Umezawa, Tetsuya Kawanishi (NICT) PN2014-67 OPE2014-192 LQE2014-179 EST2014-121 MWP2014-89 |
[more] | PN2014-67 OPE2014-192 LQE2014-179 EST2014-121 MWP2014-89 pp.251-254 |
|
| OCS, OPE, LQE | 2014-10-30 13:15 |
Nagasaki | Nagasaki Museum of History and Culture | Quantum dot comb laser for simultaneously multi-peak generation Katsuki Watanabe (Tokyo Denki Univ.), Naokatsu Yamamoto, Kouichi Akahane, Toshimasa Umezawa, Tetsuya Kawanishi, Hiroshi Takai (NICT) OCS2014-47 OPE2014-91 LQE2014-65 |
[more] | OCS2014-47 OPE2014-91 LQE2014-65 pp.27-32 |
| OCS, OPE, LQE | 2014-10-30 17:20 |
Nagasaki | Nagasaki Museum of History and Culture | Fabrication of InAs quantum dots on vicinal (001)InP substrate and its application for laser diode Kouichi Akahane, Naokatsu Yamamoto, Toshimasa Umezawa, Tetsuya Kawanishi (NICT) OCS2014-67 OPE2014-111 LQE2014-85 |
[more] | OCS2014-67 OPE2014-111 LQE2014-85 pp.131-134 |
| 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 |
|
| 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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