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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SAT, MICT, WBS, RCC (Joint) [detail] |
2024-05-17 11:15 |
Miyazaki | KITEN Convention hall (Miyazaki) (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Overview of SparkLink Technologies and its Main Application Scenario for Smart City Realization Wang Junyi, Yang Weijia, Ken Kamiryu, Yasuhiro Kondo (AZAPA) |
(To be available after the conference date) [more] | |
| COMP | 2021-12-03 13:10 |
Ishikawa | Kanazawa Chamber of Commerce and Industry (Primary: On-site, Secondary: Online) |
[Invited Talk]
Improved robustness of quantum supremacy for random circuit sampling Yasuhiro Kondo, Ryuhei Mori (Tokyo Tech), Ramis Movassagh (IBM)  COMP2021-25 |
[more] | COMP2021-25 p.23 |
| QIT (2nd) |
2020-12-10 16:50 |
Online | Online | Classical hardness of quantum random circuit sampling with larger error Yasuhiro Kondo, Ryuhei Mori (Tokyo Tech) |
Recently, Google's research team has succeeded in sampling the output of a randomly given 53-qubit quantum circuit 1 mil... [more] | |
| QIT (2nd) |
2019-11-19 12:10 |
Tokyo | Gakushuin University | Conditions for equivalence of magic state distillation protocols in prime dimension at least 5 Yasuhiro Kondo, Ryuhei Mori (Tokyo Tech) |
Magic state distillation protocol is necessary for quantum fault-tolerant computation. There are two well-known methods... [more] |
|
| LQE | 2010-12-17 15:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Growth of large InGaAs single crystals as substrates of 1.3 micron wavelength laser diodes Kyoichi Kinoshita, Shinichi Yoda (JAXA), Hirokatsu Aoki (Furuuchi Chem.), Satoshi Yamamoto (Furuuchi Cem.), Tadatoshi Hosokawa (Furuuchi Che.), Masaaki Matsushima (Furuuchi Chem.), Masakazu Arai (NTT East), Yoshihiro Kawaguchi (NEL), Fumiyoshi Kano (NTT), Yasuhiro Kondo (NEL) LQE2010-123 |
We have succeeded in growing homogeneous InxGa1-xAs (x: 0.10 – 0.13) platy single crystals by the traveling liquid... [more] | LQE2010-123 pp.43-46 |
| EMD, OPE, LQE, CPM | 2010-08-27 09:50 |
Hokkaido | Chitose Arcadia Plaza | Monolithically Integrated Wavelength-Routing Switch with Double-Ring-Resonator-Coupled Tunable Lasers Toru Segawa, Shinji Matsuo, Takaaki Kakitsuka, Yasuo Shibata, Tomonari Sato, Yoshihiro Kawaguchi, Yasuhiro Kondo, Ryo Takahashi (NTT Corp.) EMD2010-45 CPM2010-61 OPE2010-70 LQE2010-43 |
Future photonic networks will require high-speed optical packet switches, which operate on a packet-by-packet basis whil... [more] | EMD2010-45 CPM2010-61 OPE2010-70 LQE2010-43 pp.89-92 |
| LQE | 2009-12-11 11:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Analysis of Stable Behavior in InAs/InP MQW DFB laser Using an OBIC Monitor Tatsuya Takeshita, Tomonari Sato, Manabu Mitsuhara, Yasuhiro Kondo, Hiromi Oohashi (NTT Corp.) LQE2009-143 |
We have realized reliable 2.3 $\micron$m wavelength InAs/InP MQW DFB lasers for trace gas monitoring applications. The e... [more] | LQE2009-143 pp.25-30 |
| OPE, EMD, CPM, LQE | 2009-08-21 10:40 |
Miyagi | Direct modulation ridge waveguide MQW-DFB laser for 40/100GbE Takashi Tadokoro, Takayuki Yamanaka, Fumiyoshi Kano, Hiromi Oohashi (NTT), Yasuhiro Kondo (NEL), Kenji Kishi (NTT) EMD2009-48 CPM2009-72 OPE2009-96 LQE2009-55 |
We demonstrated 25-Gbps direct modulation with a 1.3-m InGaAlAs RWG-MQW-DFB laser that is suitable for use as a ... [more] | EMD2009-48 CPM2009-72 OPE2009-96 LQE2009-55 pp.113-116 |
|
| LQE | 2008-12-12 13:20 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | [Encouragement Talk]
Recent Advancements for the Semiconductor Double-ring-resonator-coupled Laser Toru Segawa, Shinji Matsuo, Takaaki Kakitsuka, Tomonari Sato, Yasuhiro Kondo, Hiroyuki Suzuki, Ryo Takahashi (NTT Co.) LQE2008-134 |
Future photonic networks will require high-speed optical packet switches, which operate on a packet-by-packet basis whil... [more] | LQE2008-134 pp.31-36 |
| 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 |
| LQE, CPM, EMD, OPE | 2008-08-29 10:15 |
Miyagi | Touhoku Univ. | 10 Gbps direct modulation experiment using a 1.3 micron-range ridge waveguide laser on an InGaAs substrate Masakazu Arai, Takashi Tadokoro, Takeshi Fujisawa, Wataru Kobayashi, Yoshihiro Kawaguchi, Masahiro Yuda (NTT), Kyoichi Kinoshita, Shinichi Yoda (JAXA), Yasuhiro Kondo (NTT) EMD2008-48 CPM2008-63 OPE2008-78 LQE2008-47 |
[more] | EMD2008-48 CPM2008-63 OPE2008-78 LQE2008-47 pp.83-88 |
| OPE, LQE | 2008-06-27 11:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg | Heterojunction Phototransistor with High Responsivity at 2.3 μm wavelength Hideki Fukano, Tomonari Sato, Manabu Mitsuhara, Yasuhiro Kondo (NTT) OPE2008-22 LQE2008-23 |
We have developed a novel mid-infrared photodetector that provides high responsivity and a low dark current. The device ... [more] | OPE2008-22 LQE2008-23 pp.21-24 |
| OPE, CPM, R | 2008-04-18 14:05 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Analysis of Wear-Out Degradation of a Ru-doped SIBH InGaAsP DFB laser Using an Optical-Beam-Induced Current Monitor Tatsuya Takeshita, Ryuzo Iga, Mitsuru Sugo, Yasuhiro Kondo (NTT) R2008-3 CPM2008-3 OPE2008-3 |
We investigated the degradation behavior of InGaAsP distributed feedback lasers (DFBs) at high temperature by employing ... [more] | R2008-3 CPM2008-3 OPE2008-3 pp.11-16 |
| CPM, LQE, OPE, EMD | 2007-08-24 13:35 |
Hokkaido | Hokaido Univ. | Semiconductor Double-ring-resonator-coupled Laser for Photonic Packet Switches Toru Segawa, Shinji Matsuo, Takaaki Kakitsuka, Tomonari Sato, Yasuhiro Kondo, Hiroyuki Suzuki (NTT) EMD2007-50 CPM2007-71 OPE2007-88 LQE2007-51 |
A widely tunable double ring resonator coupled laser is developed for use in a photonic packet switching system. By usin... [more] | EMD2007-50 CPM2007-71 OPE2007-88 LQE2007-51 pp.113-118 |
| LQE, OPE | 2007-06-29 10:20 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Expansion of tuning range in phase controlled tunable wavelength DFB laser Nobuhiro Nunoya, Yasuo Shibata, Hiroyuki Ishii, Hiroshi Okamoto, Yoshihiro Kawaguchi, Yasuhiro Kondo, Hiromi Oohashi (NTT) OPE2007-18 LQE2007-19 |
We have studied how to expand the tuning range in phase controlled tunable wavelength DFB laser. In order to expand a st... [more] | OPE2007-18 LQE2007-19 pp.11-14 |
| OPE, LQE | 2006-06-30 10:10 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | 100℃ 10-Gb/s operation of 1.3-μm InGaAsP DFB lasers with Ru-doped semi-insulating buried heterostructure Ryuzo Iga, Yasuhiro Kondo, Tatsuya Takeshita, Kenji Kishi, Masahiro Yuda (NTT) |
We fabricated 1.3-um InGaAsP DFB lasers buried with a high-resistive ruthenium (Ru)-doped InP and evaluated 10Gb/s opera... [more] | OPE2006-16 LQE2006-20 pp.7-10 |
| LQE | 2005-12-09 11:15 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | A Digitally Tunable Laser Using Ladder Filter And Ring Resonator Shinji Matsuo, Seok-Hwan Jeong, Toru Segawa, Hiroshi Okamoto, Yoshihiro Kawaguchi, Yasuhiro Kondo, Hiroyuki Suzuki, Yuzo Yoshikuni (NTT Photonics Labs.) |
We have proposed and demonstrated the digitally tunable laser consisiting of the ladder filter and the ring resonator. T... [more] | LQE2005-115 pp.13-16 |
| LQE, OCS, OPE | 2004-11-04 17:05 |
Fukuoka | Kyushu Institute of Technology | Low Driving-Voltage Operation of 40 Gbit/s Electroabsorption Modulators Hideki Fukano, Munehisa Tamura, Takayuki Yamanaka, Yasuhiro Kondo (NTT) |
[more] | OCS2004-91 OPE2004-156 LQE2004-100 pp.47-50 |
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