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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| QIT (2nd) |
2023-12-17 17:30 |
Okinawa | OIST (Primary: On-site, Secondary: Online) |
Polarization-insensitive quantum frequency conversion module based on Mach-Zehnder interferometer Shinichi Takenaka, Shoichi Murakami, Toshiki Kobayashi, Takashi Yamamoto, Rikizo Ikuta (Osaka Univ.) |
Quantum frequency conversion~(QFC), which converts the optical frequency of a photon without destroying quantum informat... [more] | |
| QIT (2nd) |
2023-12-17 17:30 |
Okinawa | OIST (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Toward quantum frequency conversion resonant only to the desired converted frequency Shoichi Murakami, Toshiki Kobayashi (Osaka Univ./QIQB, Osaka Univ.), Fumihiro China (NICT), Shigehito Miki (NICT/Kobe Univ.), Hirotaka Terai (NICT), Takashi Yamamoto, Rikizo (Osaka Univ./QIQB, Osaka Univ.) |
[more] | |
| QIT (2nd) |
2023-12-17 17:30 |
Okinawa | OIST (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Polarization-entangled photon pair generation with a tandem type-II QPM PPLN waveguide Daiki Hara (Osaka Univ.), Shoichi Murakami (Osaka Univ./QIQB, Osaka Univ.), Shunsuke Hiraoka (Osaka Univ.), Toshiki Kobayashi (Osaka Univ./QIQB, Osaka Univ.), Fumihiro China (NICT), Shigehito Miki (NICT/Kobe Univ.), Hirotaka Terai (NICT), Tsuyoshi Kodama (NICT/HAMAMATSU PHOTONICS), Tsuneaki Sawaya, Akihiko Ohtomo, Hideki Shimoi (HAMAMATSU PHOTONICS), Rikizo Ikuta, Takashi Yamamoto (Osaka Univ./QIQB, Osaka Univ.) |
In the field of quantum information communication, the sharing of entanglement between distant parties plays a crucial r... [more] | |
| QIT (2nd) |
2023-12-17 17:30 |
Okinawa | OIST (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Experiment of single photon transmission over intercity optical fiber Toshiki Kobayashi, Rikizo Ikuta, Takashi Yamamoto (Osaka Univ.) |
In this work, we prepared heralded single photons using photon pairs generated by spontaneous parametric down-conversion... [more] | |
| ET | 2023-05-13 13:10 |
Online | Online | Tendency Analysis in Scratch Programming Visiting Lecture at a Junior High School Ryota Kozakai, Wenxuan Zhang, Toshiki Kobayashi, Yuji Watanabe (NCU)  ET2023-1 |
In this study, we analyze the results of a questionnaire conducted on November 9, 2022 at a junior high school in Nagoya... [more] | ET2023-1 pp.1-7 |
| QIT (2nd) |
2022-12-08 12:45 |
Kanagawa | Keio Univ. (Primary: On-site, Secondary: Online) |
Quantum state tomography of qudits via Hong-Ou-Mandel interference Yoshiaki Tsujimoto (NICT), Rikizo Ikuta (Osaka Univ.), Kentaro Wakui (NICT), Toshiki Kobayashi (Osaka Univ.), Mikio Fujiwara (NICT) |
[more] | |
| ET, IPSJ-CLE | 2022-06-11 14:40 |
Aichi | Nagoya Institute of Technology/Online (Primary: On-site, Secondary: Online) |
About Automatic Scoring of Google Colaboratory Python Programs Ryouta Kozakai, Kobayashi Toshiki, Zhang Wenxuan, Yang Qun, Yuji Watanabe (Nagoya City Univ.) ET2022-6 |
In this study, an automatic scoring program is created for Python program codes input by Google Colaboratory. Since the ... [more] | ET2022-6 pp.20-25 |
| ET | 2021-12-11 16:30 |
Online | Online | Tendency Analysis of Python Programs in Junior High School Programming Class Ryota Kozakai, Wenxuan Zhang, Toshiki Kobayashi, Yuji Watanabe (Nagoya City Univ) ET2021-42 |
In this study, we analyze the program code and questionnaire results of a Python programming course given to 48 junior h... [more] | ET2021-42 pp.74-79 |
| QIT (2nd) |
2021-12-01 11:10 |
Online | Online | A fiber-coupled frequency converter based on a PPLN waveguide for quantum internet Shoichi Murakami, Rintaro Fujimoto, Toshiki Kobayashi, Rikizo Ikuta (Osaka Univ.), Asuka Inoue, Takeshi Umeki, Ryoichi Kasahara, Tetsuya Mukai (NTT), Shigehito Miki (NICT/Kobe Univ.), Shigeyuki Miyajima, Masahiro Yabuno, Fumihiro China, Hirotaka Terai (NICT), Nobuyuki Imoto, Takashi Yamamoto (Osaka Univ.) |
[more] | |
| ET | 2021-06-05 13:35 |
Online | Online | Tendency analysis in online Python programming course for high school students Ryota Kozakai, Toshiki Kobayashi, Yuji Watanabe (NCU) ET2021-2 |
In this study, we analyze the program codes and the results of a questionnaire in an online Python programming course us... [more] | ET2021-2 pp.7-12 |
| ICTSSL, CAS | 2020-01-31 10:35 |
Tokyo | Applications of 5G and Drone on Mountain Climber Observation System
-- Demonstration experiments in the central Japanese alps -- Yasushi Fuwa (Shinshu Univ.), Yosihiro Cyousokabe (Circuit Design, Inc.), Yoshinori Kitatuji (KDDI Research, Inc.), Seiichirou Sakai, Akira Matsunaga (KDDI), Kazuyoshi Kunisawa, Toshihisa Kubo (FALCON Corp.), Kazuki Matsubara, Yutaka Komatsu (Komagane City), Tosiki Kobayashi, David Asano (Shinshu Univ.) CAS2019-84 ICTSSL2019-53 |
In response to the increasing number of victims in the mountain climbing boom, we are developing a system to observe mo... [more] | CAS2019-84 ICTSSL2019-53 pp.109-114 |
|
| QIT (2nd) |
2019-05-21 14:30 |
Fukuoka | Kyushu University, Chikushi Campus | Frequency-domain Mach-Zehnder interferometer Toshiki Kobayashi, Daisuke Yamazaki, Kenichiro Matsuki, Rikizo Ikuta (Osaka Univ.), Shigehito Miki (NICT), Taro Yamashita (Nagoya Univ.), Hirotaka Terai (NICT), Takashi Yamamoto (Osaka Univ.), Masato Koashi (Univ. of Tokyo), Nobuyuki Imoto (Osaka Univ.) |
We demonstrate a first-order interference between coherent light at 1580~nm and 795~nm by using a frequency-domain Mach-... [more] | |
| PRMU, BioX | 2019-03-18 14:15 |
Tokyo | Development of Personal Identification Application Using Flick Input Features on Android Device Toshiki Kobayashi, Yuji Watanabe (Nagoya City Univ.) BioX2018-61 PRMU2018-165 |
We have studied personal identification based on touch operation recorded by smartphone. In this study, assuming that th... [more] | BioX2018-61 PRMU2018-165 pp.187-192 |
|
| QIT (2nd) |
2018-06-05 09:40 |
Hiroshima | ICCH Ran | Polarization insensitive frequency conversion for an atom-photon entanglement distribution via a telecom network Rikizo Ikuta, Toshiki Kobayashi, Tetsuo Kawakami (Osaka Univ.), Shigehito Miki, Masahiro Yabuno, Taro Yamashita, Hirotaka Terai (NICT), Masato Koashi (Univ. of Tokyo), Tetsuya Mukai (NTT), Takashi Yamamoto, Nobuyuki Imoto (Osaka Univ.) |
[more] | |
| QIT (2nd) |
2015-05-25 15:20 |
Osaka | Osaka University | Observation of frequency-domain Hong-Ou-Mandel interference by using a partial wavelength converter Toshiki Kobayashi, Shuto Yasui, Rikizo Ikuta (Osaka Univ.), Shigehito Miki, Taro Yamashita, Hirotaka Terai, Mikio Fujiwara (NICT), Takashi Yamamoto (Osaka Univ.), Masato Koashi (Univ. of Tokyo), Masahide Sasaki, Zhen Wang (NICT), Nobuyuki Imoto (Osaka Univ.) |
[more] | |
| QIT (2nd) |
2013-05-27 - 2013-05-28 |
Hokkaido | Hokkaido Univ. | [Poster Presentation]
Observation of converted and unconverted lights preserving phase information via difference frequency generation by using weak coherent light pulse Toshiki Kobayashi, Rikizo Ikuta, Hiroshi Kato (Osaka Univ.), Shigehito Miki, Taro Yamashita, Hirotaka Terai, Mikio Fujiwara (NICT), Takashi Yamamoto (Osaka Univ.), Masato Koashi (Univ. of Tokyo), Masahide Sasaki, Zhen Wang (NICT), Nobuyuki Imoto (Osaka Univ.) |
[more] | |
| QIT (2nd) |
2012-11-27 - 2012-11-28 |
Kanagawa | Keio Univ. Hiyoshi Campus | [Poster Presentation]
Observation of non-classical interference between two frequency down-converted telecom photons Hiroshi Kato, Rikizo Ikuta, Toshiki Kobayashi (Osaka Univ.), Shigehito Miki, Taro Yamashita, Hirotaka Terai, Mikio Fujiwara (NICT), Takashi Yamamoto (Osaka Univ.), Masato Koashi (The Univ. of Tokyo), Masahide Sasaki, Zhen Wang (NICT), Nobuyuki Imoto (Osaka Univ.) |
We report non-classical interference between two light pulses down-converted to telecommunication wavelength from visibl... [more] | |
| RCS, NS (Joint) |
2011-07-22 11:25 |
Hokkaido | Asahikawa Civic Culture Hall | A study on Performance of Collaborative Multi-hop Transmission in Non-Uniformly Distributed Network over Nakagami-Rice Fading Channels Toshiki Kobayashi, Koji Ishibashi, Tadahiro Wada (Shizuoka Univ.) RCS2011-96 |
[more] | RCS2011-96 pp.129-134 |
| RCS, NS (Joint) |
2010-07-16 10:50 |
Hokkaido | Abashiri Public Auditorium | A Study on Outage Probability of Collaborative Multi-Hop Transmission in Non-Uniformly Distributed Network Toshiki Kobayashi, Koji Ishibashi, Tadahiro Wada (Shizuoka Univ.) RCS2010-67 |
[more] | RCS2010-67 pp.113-118 |
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