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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 - 2024-05-30 |
Ibaraki | AIST Tsukuba | Explicit construction of decoders for general noisy channels using the quantum singular value transformation Takeru Utsumi (Univ. of Tokyo), Yoshifumi Nakata (Kyoto Univ.) |
(To be available after the conference date) [more] | |
| QIT (2nd) |
2023-05-30 16:05 |
Kyoto | Katsura Campus, Kyoto University | Quantum channel encoding and its applications Yusuke Ogata (TokyoTech), Ryuhei Mori (Nagoya Univ.) |
In this study, we consider a general framework for encoding an unknown quantum channel into a quantum state by oracle ac... [more] | |
| RCS, AP, UWT (Joint) |
2022-11-17 09:55 |
Fukuoka | Kyushu University, and Online (Primary: On-site, Secondary: Online) |
A Study of Optimal Perturbation Vector Search Using Quantum Computing in Vector Perturbation Introducing Symmetry when Using MMSE Norms Keishi Hanakago, Ryo Takahashi, Takahiro Ohyama (PSNRD), Fumiyuki Adachi (Tohoku Univ.)  RCS2022-175 |
VP (Vector Perturbation) is a nonlinear precoding for MU-MIMO (Multi-User Multi-Input Multi-Output). It is known that fu... [more] | RCS2022-175 pp.118-123 |
| QIT (2nd) |
2019-05-20 12:00 |
Fukuoka | Kyushu University, Chikushi Campus | One-Shot Randomized and Nonrandomized Partial Decoupling Eyuri Wakakuwa (UEC), Yoshifumi Nakata (Kyoto U) |
We introduce a task that we call partial decoupling, in which a bipartite quantum state is transformed by a unitary oper... [more] | |
| QIT (2nd) |
2019-05-21 09:40 |
Fukuoka | Kyushu University, Chikushi Campus | Every entangled state provides an advantage in classical communication Stefan Bauml (TU Delft), Andreas Winter (UAB), Dong Yang (Univ. Bergen) |
We investigate whether for any entangled state, including bound entangled states, there exists a quantum channel the cla... [more] | |
| QIT (2nd) |
2017-05-29 15:00 |
Kyoto | Ritesumeikan University, Suzaku Campus | [Poster Presentation]
Evaluation of a practical QKD system in a multi-core fiber Takao Ochi, Ken-ichiro Yoshino (NEC), Mikio Fujiwara, Masahide Sasaki (NICT) |
Quantum key distribution (QKD) is the technology with which a random number can be shared safely like an information the... [more] | |
| QIT (2nd) |
2016-05-31 15:50 |
Kochi | Kochi University of Technology Eikokuji campus | A Hash Property of Statistical Ensembles and Rlation to Classical-Quantum Channel Coding Tomohiro Ogawa (UEC) |
We treat a certain hash property of ensembles of quantum states in the setting of information-spectrum methods. Consider... [more] | |
| QIT (2nd) |
2014-11-17 15:00 |
Miyagi | Tohoku Univ. | Strong Converse Exponent for Classical-Quantum Channel Coding Milan Mosonyi (UAB, BME), Tomohiro Ogawa (UEC) |
We determine the exact strong converse exponent of classical-quantum channel coding, for every rate above the Holevo ca... [more] |
|
| IT | 2012-07-20 11:25 |
Aichi | Toyota Technological Institute | On construction of transmission process of states by using quantum correlation Akihiro Watanabe, Noboru Watanabe (TUS) IT2012-21 |
Quantum communication channels using quantum correlation such as E91, quantum dense coding and quantum teleportation hav... [more] | IT2012-21 pp.73-77 |
| CS, OCS (Joint) |
2012-01-26 14:55 |
Mie | ISESHI-KANKOUBUNKAKAIKAN | A field test of high-speed wavelength-division multiplexing quantum key distribution system Ken-ichiro Yoshino (NEC), Mikio Fujiwara (NICT), Akihiro Tanaka, Seigo Takahashi, Yoshihiro Nambu (NEC), Akihisa Tomita (Hokkaido Univ.), Shigehito Miki, Taro Yamashita, Zhen Wang, Masahide Sasaki (NICT), Akio Tajima (NEC) OCS2011-111 |
A high-speed quantum key distribution system was developed with the wavelength-division multiplexing (WDM) technique and... [more] | OCS2011-111 pp.35-38 |
| QIT (2nd) |
2011-11-22 15:40 |
Osaka | Osaka Univ. Engr. Sci. Sigma Hall (Toyonaka) | Iterative optimization for max-min quantum error correction Naoki Yamamoto, Yuki Nishizawa (Keio Univ.) |
This paper considers the max-min quantum error correction problem; both the encoding and decoding channels are to be d... [more] |
|
| QIT (2nd) |
2011-11-21 14:40 |
Osaka | Osaka Univ. Engr. Sci. Sigma Hall (Toyonaka) | [Poster Presentation]
Lower bounds of the error probability in estimating classical and quantum states Takuya Kubo, Hiroshi Nagaoka (UEC) |
In classical/quantum system, estimating a hidden true state is a fundamental part of plentiful problems. The error pro... [more] | |
| IBISML | 2010-11-04 15:00 |
Tokyo | IIS, Univ. of Tokyo | [Poster Presentation]
Quantum Error Correction with Non-Binary LDPC Codes Kenta Kasai (Tokyo Inst. of Tech.), Manabu Hagiwara (AIST), Hideki Imai (Chuo Univ.), Kohichi Sakaniwa (Tokyo Inst. of Tech.) IBISML2010-77 |
Quantum error correction is used in quantum computing and quantum communications to protect quantum information from qua... [more] | IBISML2010-77 pp.135-145 |
| IT | 2010-09-22 10:55 |
Miyagi | Tohoku Gakuin University | Study on the performance of the entanglement distillation protocol using the quantum error correcting code Masakazu Yoshida (Chuo Univ.), Manabu Hagiwara, Takayuki Miyadera (AIST), Hideki Imai (Chuo Univ./AIST) IT2010-42 |
Entangled states play crucial roles in the quantum communication. The entanglement distillation protocol enables us to s... [more] | IT2010-42 pp.51-56 |
| IT | 2010-07-23 14:55 |
Tokyo | Kogakuin University | On Efficiency of Information Transmission of Quantum Communication Process including Superdense Coding for Input State Generated by Binary EPR States Kenji Koyano, Noboru Watanabe (Tokyo Univ. of Science) IT2010-31 |
Superdense coding is one of methods of quantum communication by using the EPR state, and it asserts that sender can carr... [more] | IT2010-31 pp.113-118 |
| ISEC | 2009-12-16 13:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Beyond the Shannon limit by quantum stream cipher Y-00 and Holevo-Sohma-Hirota theorem
-- General proof -- Osamu Hirota (Tamagawa Univ.) ISEC2009-72 |
One of important problems in cryptography is to prove the existence of a cipher which can break the Shannon limit. Yue... [more] |
ISEC2009-72 pp.7-14 |
| COMP | 2005-12-22 13:00 |
Tokushima | The University of Tokushima | Transmitting classical information on the quantum network efficiently Kazuo Iwama, Harumichi Nishimura, Rudy Raymond (Kyoto Univ.), Shigeru Yamashita (NAIST) |
The question in this paper is whether the quantum random access (QRA) coding, given by Ambainis et al., on the {\it netw... [more] | COMP2005-51 pp.15-20 |
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