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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| QIT (2nd) |
2024-11-28 10:30 |
Kagawa | Sunport Hall Takamatsu (Kagawa) | Selective frequency upconversion experiment for frequency-multiplexed quantum network Shoichi Murakami, Shunsuke Hiraoka, Toshiki Kobayashi, Takashi Yamamoto, Rikizo Ikuta (Osaka Univ) |
Quantum Frequency Conversion (QFC) is widely recognized as one of the essential technologies for realizing quantum inter... [more] | |
| QIT (2nd) |
2024-05-28 13:00 |
Ibaraki | AIST Tsukuba (Ibaraki) | [Poster Presentation]
Characterizing non-classical light from a single site in an atom array Kentaro Shibata, Yuya Maeda, Toshiki Kobayashi, Makoto Yamashita, Shuta Nakajima, Rikizo Ikuta, Takashi Yamamoto (Osaka Univ.) |
Neutral atom array formed with individual atoms trapped in optical-tweezer array is one of the promising physical system... [more] | |
| QIT (2nd) |
2023-12-17 17:30 |
Okinawa | OIST (Okinawa, Online) (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 (Okinawa, Online) (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 (Okinawa, Online) (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 (Okinawa, Online) (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 (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. (Kanagawa, Online) (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 | 2021-12-11 16:30 |
Online | 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 (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 (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 |
| QIT (2nd) |
2019-05-21 14:30 |
Fukuoka | Kyushu University, Chikushi Campus (Fukuoka) | 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 | (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 (Hiroshima) | 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) |
2016-05-31 09:50 |
Kochi | Kochi University of Technology Eikokuji campus (Kochi) | Wavelength conversion of non-classical light emitted from rubidium atoms to the telecom band Toshiki Kobayashi, Rikizo Ikuta, Kenichiro Matsuki (Osaka Univ.), Shigehito Miki, Taro Yamashita, Hirotaka Terai (NICT), Takashi Yamamoto (Osaka Univ.), Masato Koashi (Univ. of Tokyo), Tetsuya Mukai (NTT BRL), Nobuyuki Imoto (Osaka Univ.) |
[more] | |
| QIT (2nd) |
2015-05-25 15:20 |
Osaka | Osaka University (Osaka) | 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. (Hokkaido) | [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 (Kanagawa) | [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 (Hokkaido) | 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 (Hokkaido) | 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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