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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| QIT (2nd) |
2024-05-28 13:00 |
Ibaraki | AIST Tsukuba | [Poster Presentation]
Optical quantum classifier with photons Shunsuke Abe (Kagawa Univ.), Wojceich Roga, Masahiro Takeoka (Keio Univ.), Takafumi Ono (Kagawa Univ.) |
(To be available after the conference date) [more] | |
| QIT (2nd) |
2023-12-17 17:30 |
Okinawa | OIST (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Ultrastrongly coupled device in superconducting quantum circuit Akiyoshi Tomonaga (AIST), Roberto Stassi (UNIME), Hiroto Mukai, Franco Nori (RIKEN), Fumiki Yoshihara, Jaw-Shen Tsai (TUS), Kunihiro Inomata (AIST) |
Ultrastrong coupling refers to a regime where the coupling energy between an atom and a resonator amounts to more than 1... [more] | |
| 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]
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) |
2023-05-29 13:50 |
Kyoto | Katsura Campus, Kyoto University | Experimental demonstration of multiphoton quantum correlation beyond the linear optics limit Geobae Park, Ryo Okamoto (Kyoto Univ.), Holger F. Hofmann (Hiroshima Univ.), Shigeki Takeuchi (Kyoto Univ.) |
Single photon sources and linear optics networks play an important role in photonic quantum technologies. The states gen... [more] | |
| QIT (2nd) |
2023-05-30 15:50 |
Kyoto | Katsura Campus, Kyoto University | General treatment of trusted receiver noise in continuous variable quantum key distribution Shinichiro Yamano (UT), Takaya Matsuura (RMIT University), Yui Kuramochi (Kyushu Univ.), Toshihiko Sasaki, Masato Koashi (UT) |
Continuous Variable (CV) quantum key distribution (QKD) is a promising candidate for practical implementations due to it... [more] | |
| QIT (2nd) |
2022-12-08 14:00 |
Kanagawa | Keio Univ. (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Experimental design for orbital angular momentum entanglement state photon source and detection system Kakeru Kumano, Daiki Watanabe, Yoko Miyamoto (UEC) |
Detection of orbital angular momentum entangled states of photons requires that each photon be detected in a superpositi... [more] | |
| QIT (2nd) |
2022-05-30 13:30 |
Online | Online | [Poster Presentation]
Demonstration of ultra-broadband frequency entangled photon-pairs generated in an on-chip ring resonator Yushi Hamayama, Kenta Sugiura, Dan Nakamura, Ryo Okamoto (Kyoto Univ.), Brent E. Little (CAS), Sai Tak CHU (CityU), Shigeki Takeuchi (Kyoto Univ.) |
Frequency entangled photon-pairs are widely used in quantum technologies such as quantum metrology and quantum informat... [more] |
|
| QIT (2nd) |
2022-05-30 13:30 |
Online | Online | [Poster Presentation]
Toward Realization of a Two-dimensional Quantum Walk with Helical Boundary Conditions I
-- Generation and Evaluation of Petal-shaped Beams -- Yutaro Okamoto (Kyoto Univ.), Hideaki Obuse (Hokkaido Univ.), Shigeki Takeuchi, Ryo Okamoto (Kyoto Univ.) |
Quantum walk is a quantum version of random walk and is expected to have applications in quantum simulation and quantum ... [more] | |
| SANE | 2022-05-24 15:00 |
Kanagawa | Information Technology R & D Center, MITSUBISHI Electric Corp. (Primary: On-site, Secondary: Online) |
Applications of Optical Communication Technologies to Space/Defense Areas Yoshiaki Konishi, Junya Nishioka, Takatoshi Akamatsu, Keisuke Matsuda, Hayato Sano, Yukari Takada, Shota Koshikawa, Masashi Binkai, Yuta Binkai, Tsuyoshi Yoshiad, Naoki Suzuki (Mitsubishi Electric)  SANE2022-10 |
High-capacity fiber-optic communication systems employ coherent detection assisted by digital signal processing, called ... [more] | SANE2022-10 pp.50-55 |
| QIT (2nd) |
2021-12-01 09:00 |
Online | Online | Direct measurement of matrix elements of density-, process- and measurement-matrices using diagrammatic representation Masaya Takahashi (Hokkaido Univ.), Kazuhisa Ogawa (Osaka Univ.), Akihisa Tomita (Hokkaido Univ.) |
Quantum systems are characterized by density operators for the states, process operators for the time evolution, and POV... [more] | |
| QIT (2nd) |
2021-11-30 13:30 |
Online | Online | [Poster Presentation]
Quantum Reservoir Computing with a Multimode Interferometric Optical Circuit
-- Estimation of Characteristic Quantities of Quantum States of Light -- Natsuki Yokoyama, Masaya Shintoku, Kazuya Yuasa (Waseda Univ.) |
We discuss quantum reservoir computing with a multimode interferometric optical circuit. Multiparticle quantum interfere... [more] | |
| RCS, SAT (Joint) |
2021-08-27 10:55 |
Online | Online | [Encouragement Talk]
Study on key-distillation system with adaptive polar codes in free-space quantum key distribution Yuma Yamashita (NITech), Hiroyuki Endo (NICT), Shingo Fujita, Eiji Okamoto (NITech), Hideki Takenaka, Morio Toyoshima (NICT) SAT2021-35 |
Quantum key distribution (QKD) is a cryptographic method that has been proven as secure against any physically allowable... [more] | SAT2021-35 pp.37-42 |
| QIT (2nd) |
2020-12-10 10:40 |
Online | Online | [Invited Talk]
Time-multiplexed heralded single- and multi-photon sources Fumihiro Kaneda (Tohoku Univ.) |
On-demand single-photon generation ––– deterministic generation and extraction of a single photon at a demanded time –––... [more] | |
| AP, SANE, SAT (Joint) |
2020-07-15 15:05 |
Online | Online | Numerical investigation on the application of polar codes to free-space quantum key distribution Yuma Yamashita (NITech), Hiroyuki Endo (NICT), Shingo Fujita, Eiji Okamoto (NITech), Hideki Takenaka, Morio Toyoshima (NICT) SAT2020-5 |
Quantum key distribution (QKD) is a technology to securely share keys against any attack physically permitted, with the ... [more] | SAT2020-5 pp.13-18 |
| LQE, LSJ | 2019-05-30 15:35 |
Shiga | [Invited Talk]
Single photons, Entangled photons, and Quantum Info-Communication Keiichi Edamatsu (Tohoku Univ.) LQE2019-13 |
[more] | LQE2019-13 pp.11-13 |
|
| 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] | |
| PN | 2019-04-26 16:55 |
Tokyo | The University of Electro-Communication, Build E-3, Hall 301 | [Invited Talk]
Manipulation of entangled photons in time-frequency domain Ryosuke Shimizu (UEC) PN2019-6 |
Time-frequency duality plays a pivotal role in a wide range of modern optics. The conventional one-dimensional (1D) time... [more] | PN2019-6 pp.31-36 |
| QIT (2nd) |
2018-11-27 09:50 |
Tokyo | The University of Tokyo | Quantum non-demolition detection of an itinerant microwave photon Shingo Kono (UT), Kazuki Koshino (TMDU), Yutaka Tabuchi, Atsushi Noguchi, Yasunobu Nakamura (UT) |
From the point of view of the quantum network between superconducting quantum circuits, microwave-photon detection is a ... [more] | |
| QIT (2nd) |
2018-06-05 15:00 |
Hiroshima | ICCH Ran | Optimal conditions for Bell test using a spontaneous parametric down-conversion source Yoshiaki Tsujimoto, Kentaro Wakui, Mikio Fujiwara, Kazuhiro Hayasaka, Shigehito Miki, Hirotaka Terai, Masahide Sasaki, Masahiro Takeoka (NICT) |
Loophole-free violation of the Bell inequality is not only one of the most striking features of quantum mechanics, b... [more] |
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