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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| QIT (2nd) |
2022-12-08 10:45 |
Kanagawa | Keio Univ. (Primary: On-site, Secondary: Online) |
Generating quantum entanglement between macroscopic objects with continuous measurement and feedback control Daisuke Miki (Kyushu Univ.), Nobuyuki Matsumoto (Gakushuin Univ.), Akira Matsumura, Tomoya Shichijo, Yuuki Sugiyama, Kazuhiro Yamamoto (Kyushu Univ.), Naoki Yamamoto (Keio Univ.) |
The cavity optomechanics using an mg-scale mechanical mirror has the potential to realize the quantum states of macrosco... [more] | |
| QIT (2nd) |
2022-05-30 10:15 |
Online | Online | Universal quantum computation based on nanoscale skyrmion helicity qubits Jing Xia, Xichao Zhang, Xiaoxi Liu (Shinshu Univ.), Yan Zhou (CUHK), Motohiko Ezawa (Univ. Tokyo) |
Skyrmions in frustrated magnets have the helicity degree of freedom, where two different configurations of Bloch-type s... [more] |
|
| OCS, CS (Joint) |
2022-01-13 15:30 |
Yamaguchi | Conference room 204A・B at KDDI Ishin-hall (Primary: On-site, Secondary: Online) |
Analyses of Noise in Two-Mode Phase-Sensitive Optical Parametric Amplifiers Kazuro Kikuchi (NIAD-QE)  OCS2021-33 |
We analyze the noise characteristics of an optical transmission system repeated by two-mode phase-sensitive optical para... [more] | OCS2021-33 pp.1-6 |
| QIT (2nd) |
2021-12-01 16:40 |
Online | Online | Non-Gaussian entanglement in optomechanical system
-- quantumness of gravity -- Daisuke Miki, Akira Matsumura, Kazuhiro Yamamoto (Kyushu Univ.) |
An established theory of quantum gravity has not been developed, but the description of gravity according to the princip... [more] | |
| IT | 2021-07-08 16:00 |
Online | Online | Proposal for a measure of quantum mechanical non-orthogonality of multi-ary optical signals Kentaro Kato (Tamagawa Univ.) IT2021-21 |
With the development of optical communication technology, the range of application of multi-ary optical signals has been... [more] | IT2021-21 pp.34-39 |
| NLP, CCS | 2021-06-11 14:45 |
Online | Online | Classical Analysis of Two-particle Quantum Parametric Chaotic Oscillator Keita Matsuura (TPJ), Ibuki Nakamura, Hisato Fujisaka (Hiroshima City Univ.) NLP2021-9 CCS2021-9 |
Multiple charged Ions trapped in superposition of AC and DC electromagnetic fields are a periodically varying quantum ha... [more] | NLP2021-9 CCS2021-9 pp.40-44 |
| QIT (2nd) |
2019-11-18 15:50 |
Tokyo | Gakushuin University | [Invited Talk]
Strong coupling between a single ion and an optical cavity: Towards optical interconnects between ion traps Hiroki Takahashi (Osaka Univ.) |
Cold trapped ions in rf potentials have been investigated over the decades as an excellent platform for quantum informat... [more] | |
| QIT (2nd) |
2019-11-18 13:50 |
Tokyo | Gakushuin University | [Poster Presentation]
Localization phenomena in constrained quantum annealing Kazue Kudo (Ochanomizu Univ.) |
Quantum annealing is known as a quantum-mechanical approach for optimization problems. Constrained quantum annealing is ... [more] | |
| QIT (2nd) |
2019-05-20 13:20 |
Fukuoka | Kyushu University, Chikushi Campus | [Poster Presentation]
Reduction of size and excess noise of continuous-variable quantum key distribution system using single-path interferometer Shinya Hirashita, Kento Kitamura, Takuya Hirano (Gakushuin Univ.) |
It is necessary to reduce excess noise in order to realize continuous quantum key distribution (CV- QKD) in a channel wi... [more] | |
| QIT (2nd) |
2018-06-04 09:00 |
Hiroshima | ICCH Ran | [Invited Talk]
Surface Acoustic Waves Connecting Light and Microwaves Atsushi Noguchi (Univ. of Tokyo) |
Surface acoustic waves (SAW) recently have attracted much interest as an alternative quantum mode localized on a surface... [more] | |
| QIT (2nd) |
2018-06-04 13:20 |
Hiroshima | ICCH Ran | [Poster Presentation]
Coherent Quantum PID Feedback Control Yuki Nojiri, Naoki Yamamoto (Keio Univ.) |
In this research we present we can design an active differentiator and an active integrator for a quantum signal by usin... [more] | |
| QIT (2nd) |
2018-06-04 13:20 |
Hiroshima | ICCH Ran | [Poster Presentation]
Realization of High-Speed Adaptive Quantum State Estimation 2 Saki Nohara, Ryo Okamoto (Kyoto Univ.), Koichi Yamagata (Chuo Univ.), Akio Fujiwara (Osaka Univ.), Shigeki Takeuchi (Kyoto Univ.) |
For the development of quantum information technology, it is essential to provide a method to efficiently estimate the q... [more] | |
| NLP | 2018-04-26 10:45 |
Kumamoto | Kumaoto Univ. | An Indication of Quantum Chaos Based on Stochastic Quantization Keita Matsuura, Hisato Fujisaka, Masaru Fukushima (Hiroshima City Univ.) NLP2018-2 |
Quantum chaos is not reflected on the behavior of wave functions, namely, the solution of the Schr"{o}dinger equation, b... [more] | NLP2018-2 pp.5-8 |
| MWP | 2017-11-09 13:20 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | [Invited Talk]
Surface Acoustic Wave Optomechanics Rekishu Yamazaki (UTokyo/JST), Ayato Okada (UTokyo), Atsushi Noguchi (UTokyo/JST), Yutaka Tabuchi, Koji Usami (UTokyo), Yasunobu Nakamura (UTokyo/RIKEN) MWP2017-45 |
We introduce a development of optomechanical system using a surface acousticwave (SAW) as a mechanical oscillator. Devel... [more] | MWP2017-45 pp.1-6 |
| QIT (2nd) |
2017-05-30 10:10 |
Kyoto | Ritesumeikan University, Suzaku Campus | Total Detection Probability in Generalized Probability Theories
-- channel capacity and geometry of the state space -- Keiji Matsumoto (STI), Gen Kimura (SIT) |
The qubit state space is a beautiful sphere, but the high-dimensional one is increasingly asymmetric in proportion to th... [more] | |
| NLP | 2016-12-13 10:55 |
Aichi | Chukyo Univ. | Single-Electron Decoder Circuits for Communication Systems Using Photoelectric Effect and Electron Wave Frequency Discrimination Atsushi Setuie, Jinya Sato, HIsato Fujisaka, Takeshi Kamio (Hiroshima City Univ.) NLP2016-96 |
Application of quantum mechanical phenomena to front-end parts in receivers of Tera-hertz (THz) sensing and communicatio... [more] | NLP2016-96 pp.67-72 |
| QIT (2nd) |
2016-11-24 13:00 |
Ibaraki | KEK Kobayashi-hall | [Poster Presentation]
Realization of High-Speed Adaptive Quantum State Estimation Saki Nohara, Ryo Okamoto (Kyoto Univ.), Koichi Yamagata (Chuo Univ.), Akio Fujiwara (Osaka Univ.), Shigeki Takeuchi (Kyoto Univ.) |
For the development of quantum information technology, it is essential to provide a method to efficiently estimate the q... [more] | |
| NLP | 2016-05-27 10:55 |
Kochi | Kochi Univ. | Extending the Nelson's Stochastic Quantization for Multi-particle Quantum Systems Takashi Murakami, Hisato Fujisaka, Takeshi Kamio (Hiroshima City Univ.) NLP2016-14 |
This paper describes a theory on the transformation between multi-particle quantum systems and classical probabilistic s... [more] | NLP2016-14 pp.67-71 |
| QIT (2nd) |
2015-11-24 15:10 |
Kanagawa | NTT Atsugi R&D center | [Tutorial Lecture]
Hybrid quantum systems based on collective excitations in solids Yasunobu Nakamura (Univ. of Tokyo) |
Our research is aiming at coherent control of collective excitations in solids and its application to quantum informatio... [more] | |
| QIT (2nd) |
2013-11-18 - 2013-11-19 |
Tokyo | Waseda Univ. | [Poster Presentation]
Error and disturbance in linear quantum systems Yachiko Nakagawa, Naoki Yamamoto (Keio Univ.) |
This paper studies the uncertainty relationship, especially Ozawa inequality, for the class of linear quantum systems, s... [more] | |
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