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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| QIT (2nd) |
2023-05-29 16:30 |
Kyoto | Katsura Campus, Kyoto University | [Poster Presentation]
Improving the Performance of Quantum GANs through Label Replacement Ryosuke Koga, Yuichi Sano (Kyoto Univ.), Ikko Hamamura (IBM) |
Instead of Monte Carlo simulations for numerical integration, we can use a quantum expectation estimation algorithm, whi... [more] | |
| QIT (2nd) |
2022-12-08 18:00 |
Kanagawa | Keio Univ. (Primary: On-site, Secondary: Online) |
Quantum subspace expansion based on fermionic shadow tomography for k-RDM estimation Nayuta Takemori (Osaka Univ.), Nobuyuki Yoshioka (Tokyo Univ.), Wataru Mizukami (Osaka Univ.) |
The reduced density matrix in quantum many-body systems is extremely useful in elaborating physical properties, as it co... [more] | |
| QIT (2nd) |
2022-12-08 14:00 |
Kanagawa | Keio Univ. (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Quantum State Generation using DPQPSK Modulator for High Speed Quantum Key Distribution Yuki Sugawara, Akihisa Tomita, Atsushi Okamoto (Hokkaido Univ.) |
In implementing a high-speed QKD system, distortions in the modulation signal degrade the performance of the QKD system.... [more] | |
| QIT (2nd) |
2021-05-24 16:20 |
Online | Online | Generating time domain linear cluster state by recycling superconducting qubits Shotaro Shirai (TUS), Yu Zhou (RIKEN), Keiichi Sakata, Hiroto Mukai, Jaw-Shen Tsai (TUS) |
In quantum information processing, the many-body entangled state is a useful resource state, and the generation of a lar... [more] | |
| SIP, IT, RCS | 2021-01-22 14:25 |
Online | Online | Cascaded Channel Estimation for Wireless Communications using Intelligent Reflecting Surface Takahiro Ohyama (PSNRD), Yuichi Kawamoto, Nei Kato (Tohoku Univ.)  IT2020-95 SIP2020-73 RCS2020-186 |
The high frequency band used for 5th generation (5G) mobile communication system has a high straightness, and the commun... [more] | IT2020-95 SIP2020-73 RCS2020-186 pp.176-181 |
| QIT (2nd) |
2019-11-18 13:50 |
Tokyo | Gakushuin University | [Poster Presentation]
Analysis of the effects of the two-photon distinguishability on decoy state measurement-device-independent quantum key distribution Haobo Ge, Akihisa Tomita, Kazuhisa Ogawa, Atsushi Okamoto (Hokkaido Univ.) |
Measurement-device-independent quantum key distribution (MDI-QKD) protects the receiver from attacks against the measure... [more] | |
| QIT (2nd) |
2018-11-26 13:30 |
Tokyo | The University of Tokyo | [Poster Presentation]
Randomness of Solutions of Quantum Annealing through the Regular Graph Generation Problem Takayuki Suzuki (Mercari) |
So far, the results of quantum annealing for optimization problems with multiple solutions have not been discussed. Ther... [more] | |
| QIT (2nd) |
2017-11-17 10:00 |
Saitama | Saitama University | Limit on Quantum State Generation under Dissipation Kohei Kobayashi, Naoki Yamamoto (Keio Univ.) |
To realize quantum information technology, control for generating a target quantum state is highly necessary. However, i... [more] | |
| QIT (2nd) |
2016-11-24 13:00 |
Ibaraki | KEK Kobayashi-hall | [Poster Presentation]
Limit on Quantum State Generation under Dissipation Kohei Kobayashi, Naoki Yamamoto (Keio Univ.) |
To realize quantum information technology, control for generating a target quantum state is highly necessary. However, i... [more] | |
| ISEC | 2016-09-02 13:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | An Homomorphic Encryption based on some kind of Indeterminate Equations Koichiro Akiyama (Toshiba), Yasuhiro Goto (HUE), Shinya Okumura (ISIT), Tsuyoshi Takagi (Kyushu Univ.), Koji Nuida, Goichiro Hanaoka (AIST) ISEC2016-43 |
Authors propose a homomorphic public-key encryption whose security is based on a LWE-like problem related to indetermina... [more] | ISEC2016-43 pp.27-34 |
| QIT (2nd) |
2015-11-24 10:20 |
Kanagawa | NTT Atsugi R&D center | Entanglement Generation by Communication using Phase-Squeezed Light with Photon Loss Fumiaki Matsuoka, Akihisa Tomita (Hokkaido Univ.) |
In order to implement fault-tolerant quantum computation, entanglement generation with low error probability and high su... [more] | |
| QIT (2nd) |
2015-11-25 15:00 |
Kanagawa | NTT Atsugi R&D center | Robust Decoy State Generation with a Nested Modulator Kensuke Nakata, Akihisa Tomita, Atsushi Okamoto (Hokkaido Univ.) |
In decoy-BB84 quantum key distribution (QKD) protocol, intensity fluctuation of the transmitted optical pulses reduce se... [more] | |
| QIT (2nd) |
2015-05-25 13:20 |
Osaka | Osaka University | [Poster Presentation]
Robust Quantum State Generation with a Dual-Parallel Modulator and Its Application for Quantum Key Distribution Systems Yu Kadosawa, Kensuke Nakata, Akihisa Tomita, Atsushi Okamoto (Hokkaido Univ.) |
Secure key in BB84 quantum key distribution system is affected by the state preparation flaws, which arise mainly from t... [more] | |
| LQE, LSJ | 2015-05-22 09:55 |
Ishikawa | Broadband operation of quantum cascade lasers with the anticrossed dual-upper-state active region Kazuue Fujita, Tatsuo Dougakiuchi, Atsushi Sugiyama, Akio Ito, Masahiro Hitaka, Tadataka Edamura (Hamamatsu) LQE2015-10 |
We report broadband external cavity quantum cascade lasers based on the anti-crossed dual-upper-state (DAU) active regio... [more] | LQE2015-10 pp.47-51 |
|
| QIT (2nd) |
2013-11-18 - 2013-11-19 |
Tokyo | Waseda Univ. | [Poster Presentation]
Generation of Entanglement between Two Qubits with a Ring Interferometer Kouichi Inaba, Kazuya Yuasa (Waseda Univ.) |
We present a scheme for generating entanglement between two qubits, which do not directly interact with each other, by m... [more] | |
| QIT (2nd) |
2012-11-28 11:20 |
Kanagawa | Keio Univ. Hiyoshi Campus | Improvement of Success Probability by Repeated Measurements in Entanglement Generation by Communication using Squeezed Light Fumiaki Matsuoka, Akihisa Tomita, Atsushi Okamoto (Hokkaido Univ.) |
In order to improve the error probability of entanglement generation by communication for quantum computation, we propos... [more] | |
| QIT (2nd) |
2012-11-27 - 2012-11-28 |
Kanagawa | Keio Univ. Hiyoshi Campus | [Poster Presentation]
Generation of Entanglement by Repetition of Measurements Followed by Feedbacks under the Influence of Environment Shouichirou Terasawa, Kazuya Yuasa (Waseda Univ.) |
We discuss a scheme for generating entanglement between two qubits under the influence of environment. By repeating meas... [more] | |
| QIT (2nd) |
2012-05-21 13:20 |
Fukui | Fukui Univ. | [Poster Presentation]
Generation of entanglement between two qubits with Mach-Zehnder interferometer Kouichi Inaba, Kazuya Yuasa (Waseda Univ.) |
We present a scheme for generating entanglement between two qubits, which do not directly interact with each other, by m... [more] | |
| QIT (2nd) |
2011-11-22 10:40 |
Osaka | Osaka Univ. Engr. Sci. Sigma Hall (Toyonaka) | Generation of a decoherence-free entangled state using a radio frequency dressed state Atsushi Noguchi, Shinsuke Haze, Kenji Toyoda, Shinji Urabe (Osaka Univ.) |
Quantum superposition states, especially entangled states, are breaking due to environmental noises. Their decay, calle... [more] |
|
| QIT (2nd) |
2011-11-22 14:40 |
Osaka | Osaka Univ. Engr. Sci. Sigma Hall (Toyonaka) | Entanglement generation by communication using squeezed state Fumiaki Matsuoka, Akihisa Tomita, Atsushi Okamoto (Hokkaido Univ.) |
In entanglement generation between two atoms by communication, coherent light has been considered as a probe of atomic s... [more] | |
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