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基本情報
氏名 |
加藤 研太郎 |
氏名(カナ) |
カトウ ケンタロウ |
氏名(英語) |
KATO Kentaro |
- 光通信量子暗号のための変調理論に関する研究(科研費基盤C;15K06082;3,000,000円) 個人研究
- 光通信量子暗号の安全性解析と量子情報理論基礎 個人研究
- A study on pseudorandom number generators for quantum stream cipher by Y-00 protocol (台湾行政院國家科學委員會;98-2221-E-007-055;341,000NTD) 個人研究 台湾行政院國家科學委員會, A study on pseudorandom number generators for quantum stream cipher by Y-00 protocol (98-2221-E-007-055-), 341,000NTD
- A study on error control codes for the quantum stream cipher by Y-00 protocol (台湾行政院國家科學委員會;97-2221-E-007-123;281,000NTD) 個人研究 台湾行政院國家科學委員會, A study on error control codes for the quantum stream cipher by Y-00 protocol (97-2221-E-007-123-), 281,000NTD
- 量子串流密碼Y-00的理論研究 (台湾行政院國家科學委員會;96-2221-E-007-003;426,000NTD) 個人研究 台湾行政院國家科學委員會, 量子串流密碼Y-00的理論研究 (96-2221-E-007-003-), 426,000NTD
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- A simple approximation of the error probability of optical multi-level signal with base level offset by direct detection Tamagawa University Quantum ICT Research Institute Bulletin Kentaro KATO 2018/03/15
- Conversion performance investigation of Y-00 quantum stream cipher transceiver between GbE signals and Y-00 cipher signals Tamagawa University Quantum ICT Research Institute Bulletin Fumio FUTAMI, Ken TANIZAWA, and Kentaro KATO 2018/03/15
- Examples of deriving sequential measurements maximizing average success probabilities Tamagawa University Quantum ICT Research Institute Bulletin Kenji NAKAHIRA and Kentaro KATO 2018/03/15
- Dynamic Routing of Y-00 Quantum Stream Cipher in Field-Deployed Dynamic Optical Path Network Optical Fiber Communication Conference (OFC), OSA Technical Digest (online) Fumio FUTAMI, Takayuki KUROSU, Ken TANIZAWA, Kentaro KATO, Satoshi SUDA, and Shu NAMIKI 2018/03/11
- Generalized bipartite quantum state discrimination problems with sequential measurements Physical Review A Kenji NAKAHIRA, Kentaro KATO, and Tsuyoshi S. USUDA 2018/02/27
- Optimal discrimination of optical coherent states cannot always be realized by interfering with coherent light, photon counting, and feedback Physical Review A Kenji NAKAHIRA, Kentaro KATO, and Tsuyoshi S. USUDA 2018/02/14
- Upper and lower bounds on optimal success probability of quantum state discrimination with and without inconclusive results Physical Review A Kenji NAKAHIRA, Tsuyoshi S. USUDA, and Kentaro KATO 2018/01/08
- Y-00 quantum stream cipher overlay in a coherent 256-Gbit/s polarization multiplexed 16-QAM WDM Optics Express Fumio FUTAMI, Kyle GUAN, Jurgen GRIPP, Kentaro KATO, Ken TANIZAWA, Sethumashavan CHANDRASEKHAR, and Peter J. WINZER 2017/12/25
- Finding optimal solutions for generalized quantum state discrimination problems IEEE Transactions on Information Theory Kenji NAKAHIRA, Tsuyoshi Sasaki USUDA, and Kentaro KATO 2017/12/23
- A unified analysis of optical signal modulation formats for quantum enigma cipher Proceedings of SPIE Kentaro KATO 2017/08/30
- Experimental investigation of security parameters of Y-00 quantum stream cipher transceiver with randomization technique: part I Proceedings of SPIE Fumio FUTAMI, Ken TANIZAWA, Kentaro KATO, and Osamu HIROTA 2017/08/30
- Quantum detection of quaternary amplitude-shift keying coherent state signal Tamagawa University Quantum ICT Research Institute Bulletin Kentaro KATO 2017/03
- A novel transceiver of the Y-00 quantum stream cipher with the randomization technique for optical communication with higher security performance Proceedings of SPIE Fumio FUTAMI, Kentaro KATO, Osamu HIROTA 2016/09/13
- Quantum enigma cipher as a generalization of the quantum stream cipher Proceedings of SPIE Kentaro KATO 2016/09/13
- Performance of the Neyman-Pearson Receiver for a Binary Thermal Coherent State Signal Tamagawa University Quantum ICT Research Institute Bulletin (ISSN:2186-6570) Kentaro KATO 2016/02/15
- Quasi-Bell entangled coherent states and its quantum discrimination problem in the presence of thermal noise Proceedings of SPIE Kentaro KATO 2015/09
- Generalized quantum state discrimination problems Physical Review A Kenji NAKAHIRA, Kentaro KATO, and Tsuyoshi Sasaki USUDA 2015/05/06
- Coupling lemma and its application to the security analysis of quantum key distribution Tamagawa University Quantum ICT Research Institute Bulletin (ISSN:2186-6570) Kentaro KATO 2015/03/27
- Finding optimal measurements with inconclusive results using the problem of minimum error discrimination Physical Review A Kenji NAKAHIRA, Tsuyoshi Sasaki USUDA, Kentaro KATO 2015/02/24
- Iterative methods for finding optimal quantum measurements under minimum-error and minimax criteria Physical Review A Kenji NAKAHIRA, Kentaro KATO, and Tsuyoshi Sasaki USUDA 2015/01/14
- Minimax discrimination of quasi-Bell states AIP Conf. Proc.:Proceedings of the 11th international conference on Quantum Communication, Measurement and Computing Kentaro KATO 2014/12
- Enhancement of quantum noise effect by classical error control codes in the intensity shift keying Y-00 quantum stream cipher Proceedings of SPIE Kentaro KATO 2014/10/08
- Square-root measurement for ternary coherent state signal Tamagawa University Quantum ICT Research Institute Bulletin (ISSN:2186-6570) Kentaro KATO 2014/03/15
- Effect of decoherence in quantum reading with phase shift keying signal of entangled coherent states Proceedings of SPIE Kentaro KATO, Osamu HIROTA 2013/09/26
- Minimax strategy in quantum signal detection with inconclusive results Physical Review A Kenji NAKAHIRA, Kentaro KATO, Tsuyoshi Sasaki USUDA 2013/09/13
- Error performance of quantum minimax receiver for 16QAM coherent state signal Tamagawa University Quantum ICT Research Institute Bulletin (ISSN:2186-6570) Kentaro KATO 2013/03/15
- Inconclusive量子最適測定及びその導出過程に対する幾何学的解釈 電子情報通信学会和文論文誌 中平健治,臼田毅,加藤研太郎 2013/01
- Quantum minimax receiver for ternary coherent state signal in the presence of thermal noise Journal of Physics: Conference Series Kentaro KATO 2013
- 位相マスク型光通信量子暗号の実験評価に向けた基礎研究 玉川大学学術研究所紀要 二見史生,相馬正宜,加藤研太郎,政田元太 2013
- Necessary and Sufficient Conditions for Minimax Strategy in Quantum Signal Detection 2012 IEEE International Symposium on Information Theory Proceedings Kentaro KATO 2012
- Discrimination between geometrically uniform states with inconclusive results Physical Review A Kenji NAKAHIRA, Tsuyoshi Sasaki-USUDA, and Kentaro KATO 2012
- Incompleteness and limit of security theory of quantum key distribution Proceedings of SPIE Osamu Hirota, Dan Murakami, Kentaro Kato, Fumio Futami 2012
- Error Exponents of Quantum Communication System with M-ary PSK Coherent State Signal Tamagawa University Quantum ICT Research Institute Bulletin (ISSN:2186-6570) Kentaro KATO 2011/12
- Randomization techniques for the intensity modulation based quantum stream cipher and progress of experiment Proceedings of SPIE Kentaro KATO and Osamu HIROTA 2011
- 2元純粋状態信号のミニマックス受信機 情報理論とその応用シンポジウム予稿集 加藤研太郎 2011
- 幾何学的に一様な信号系におけるInconclusive量子最適測定に関する検討 情報理論とその応用シンポジウム予稿集 中平健治,臼田毅,加藤研太郎 2011
- 光通信量子暗号Y-00の相関攻撃に対する耐性の実証 電子情報通信学会技術報告書(光通信システム) 加藤研太郎 2011
- Error performance of intensity modulation-based quantum stream cipher by Yuen 2000 protocol with nonlinear pseudorandom number generator Proceedings of SPIE Kentaro KATO 2009/08
- A quantum stream cipher by Yuen 2000 protocol with nonlinear random number generator Proceedings of SPIE Kentaro KATO, Osamu HIROTA 2008/09/05
- Yuen 2000 プロトコルによる超高速量子ストリーム暗号 レーザー研究 広田修,清水哲也,相馬正宜,加藤研太郎 2008/07
- Quantum Stream Cipher: Part V. On the optimal modulation scheme and the implementation of deliberate signal randomization Proceedings of SPIE Kentaro KATO, Osamu HIROTA 2007/09/25
- Capacity of attenuated channel with discrete-valued input Proceedings of the 8th international conference on Quantum Communication, Measurement and Computing Yuki ISHIDA, Kentaro KATO, Tsuyoshi S. USUDA 2007
- Quantum Stream Cipher: Part IV. Effects of the deliberate signal randomization and the deliberate error randomization Proceedings of SPIE Kentaro KATO, Osamu HIROTA 2006/08/29
- Quantum quadrature amplitude modulation system and its applicability to coherent-state quantum cryptography Proceedings of SPIE Kentaro KATO, Osamu HIROTA 2005/08/18
- Quantum stream cipher by Yuen 2000 protocol: Design and experiment by intensity modulation scheme Physical Review A Osamu HIROTA, Masaki SOHMA, Masaru FUSE, Kentaro KATO 2005/08
- A quantum symmetric key cipher (Y-00) and key generation: Quantum stream cipher part II Proceedings of SPIE Osamu HIROTA, Kentaro KATO, Masaki SOHMA, Masaru FUSE 2005/07/28
- 量子信頼性関数による誤り率上界と最適復号による特性 情報理論とその応用シンポジウム予稿集 石田雄樹,加藤研太郎,臼田毅 2005
- Quantum stream cipher based on optical communications Proceedings of SPIE Osamu HIROTA, Kentaro KATO, Masaki SOHMA, Tsuyoshi S. USUDA, Katsuyoshi HARASAWA 2004/10/19
- Quantum key distribution with unconditinal security for all optical fiber network Proceedings of SPIE Osamu HIROTA, Kentaro KATO, Masaki SOHMA, Tsuyoshi S. USUDA 2004/02/03
- Square root measurement for quantum symmetric mixed state signals IEEE Transactions on Information Theory Kentaro KATO, Osamu HIROTA 2003/12
- Performance of Classical Binary Codes for Quantum Channels: Toward Highly Reliable Quantum Communications Proceedings of the 6th International Conference on Quantum Communication, Measurement and Computing Kentaro KATO 2003
- `Good' Codes for a Binary Quantum Communication System News Letter, Function Evolution of Materials and Devices based on Electron/Photon Related Phenomena (FEMD), CREST, JST Kentaro KATO, Osamu HIROTA 2002/12
- Quantum random coding exponent of a symmetric state alphabet Proceedings of the 5th International Conference on Quantum Communication, Measurement, & Computing: Quantum Communication, Computing, and Measurement 3 Kentaro KATO, Osamu HIROTA 2001
- 古典?量子通信路における符号化法についての一考察 情報理論とその応用シンポジウム予稿集 加藤研太郎 2001
- 対称な量子状態からなるアルファベットの量子信頼性関数 情報理論とその応用シンポジウム予稿集 加藤研太郎,広田修 2000
- Quantum detection and mutual information for QAM and PSK signals IEEE Transactions on Communications Kentaro KATO, Masao OSAKI, Masahide SASAKI, Osamu HIROTA 1999/02
- Derivation of classical capacity of quantum channel for discrete information source Physics Letters A Kentaro KATO, Masao OSAKI, Osamu HIROTA 1999/01/18
- Reed-Solomon符号による量子通信路の超加法性の検証 電子情報通信学会技術報告(情報理論) 杉本春佳,加藤研太郎,広田修 1999
- 混合状態からなる対称信号系の最適検出 情報理論とその応用シンポジウム予稿集 加藤研太郎 1999
- Quantum channels showing superadditivity in capacity Physical Review A Masahide SASAKI, Kentaro KATO, Masayuki IZUTSU, Osamu HIROTA 1998/07
- Evaluation of Decoding Error Probability of Quantum Code Words 玉川大学学術研究所紀要 Osamu HIROTA, Masao OSAKI, Kentaro KATO 1998
- 量子通信路容量の解析解と有本-長岡の算法に関する考察 情報理論とその応用シンポジウム予稿集 加藤研太郎,大崎正雄,広田修 1998
- A simple quantum channel having super additivity of channel capacity Physics Letters A Masahide SASAKI, Kentaro KATO, Masayuki IZUTSU, Osamu HIROTA 1997/12/01
- Relation between channel capacity and quantum minimax decision in quantum information Proceedings of the 3rd International Conference on Quantum Communication and Measurement: Quantum Communication, Computing, and Measurement Kentaro KATO, Masao OSAKI, Tomohiro SUZUKI, Masashi BAN, Osamu HIROTA 1997
- 量子QAMシステムにおける背景光の影響 情報理論とその応用シンポジウム予稿集 加藤研太郎,大崎正雄,佐々木雅英,広田修 1997
- 量子情報理論におけるQAM信号の諸特性 電子情報通信学会技術報告(情報理論) 加藤研太郎,大崎正雄,佐々木雅英,広田修 1997
- M元対称量子信号の通信路容量 情報理論とその応用シンポジウム予稿集 加藤研太郎,大崎正雄,番雅司,広田修 1996
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- A unified analysis of optical signal modulation formats for quantum enigma cipher SPIE Optics+Photonics, 6-7 Aug 2017, San Diego, THE UNITED STATES OF AMERICA / Quantum Communications and Quantum Imaging XV (Conference 10409) 2017/08
- Physical Layer Security by Quantum Stream Cipher 26th Annual International Laser Physics Workshop (LPHYS 2017), July 17-21, Kazan, RUSSIAN FEDERATION 2017/07
- How not to use entangled coherent states in classical "Continuous Variables for Quantum information processing": Satellite Workshop of the 16th Asian Quantum Information Science Conference, 3-4 Sep. 2016, National Tsing Hua University, Hsinchu, TAIWAN 2016/09/03
- Quantum enigma cipher as a generalization of the quantum stream cipher SPIE Optics+Photonics, 28-29 Aug 2016, San Diego, THE UNITED STATES OF AMERICA / Quantum Communications and Quantum Imaging XVI (Conference 9980) 2016/08/28
- Quasi-Bell entangled coherent states and its quantum discrimination problem in the presence of thermal noise SPIE Optics+Photonics, 9-13 Aug 2015, San Diego, THE UNITED STATES OF AMERICA / Quantum Communications and Quantum Imaging XIII (Conference 9615) 2015/08/10
- Enhancement of quantum noize effect by classical error control codes in the intensity modulation based Y-00 quantum stream cipher SPIE Optics+Photonics, 17-21 Aug 2014, San Diego, THE UNITED STATES OF AMERICA / Quantum Communications and Quantum Imaging XII (Conference 9225) 2014/08/20
- Properties of entangled coherent states with thermal noise 23rd annual International Laser Physics Workshop (LPHYS 2014), Jul 14-18, Sofia, BULGARIA 2014/07/17
- Effect of decoherence in quantum reading with phase shift keying signal of entangled coherent states SPIE Optics+Photonics, 25-29 Aug 2013, San Diego, THE UNITED STATES OF AMERICA / Quantum Communications and Quantum Imaging XI (Conference 8875) 2013/08/29
- Quantum discrimination of symmetric and non-symmetric M-ary entangled coherent states 22nd annual International Laser Physics Workshop (LPHYS 2013), Jul 15-19, Prague, CZECH REPUBLIC 2013/07/16
- Minimax discrimination of quasi-Bell states 11th International Conference on Quantum Communication, Measurement and Computing (QCMC 2012), Jul 30 - Aug 3, Vienna, REPUBLIC OF AUSTRIA 2012/07/31
- Performance of quantum minimax receiver for ternary coherent state signal in the presence of thermal noise 21st annual International Laser Physics Workshop (LPHYS 2012), Jul 23-27, Calgary, CANADA 2012/07/26
- Necessary and sufficient conditions for minimax strategy in quantum signal detection 2012 IEEE International Symposium on Information Theory (ISIT 2012), Jul 1-6, Boston, THE UNITED STATES OF AMERICA 2012/07/02
- 2元純粋状態信号のミニマックス受信機 第34回情報理論とその応用シンポジウム(SITA 2011),2011年11月29日?12月2日,岩手 2011/11/30
- Randomization techniques for the intensity modulation based quantum stream cipher and progress of experiment SPIE Optics+Photonics, 21-25 Aug 2011, San Diego, THE UNITED STATES OF AMERICA / Quantum Communications and Quantum Imaging IX (Conference 8163) 2011/08/24
- Minimax strategy in quantum hypothesis testing The 4th Workshop on Quantum Science and Technology, 東海大學, 台中市, 台湾 2009
- A Deliberate Error Randomization for Quantum Stream Cipher by Yuen 2000 Protocol with Golay Code QCM&C-2008, University of Calgary, CANADA 2008/07
- Error exponents for symmetric quantum states 中華民國物理年會, 國立交通大學, 新竹市, 台湾 2008/01
- Classical coding-based randomization technique for quantum stream cipher by Y-00 protocol The 3rd Workshop on Quantum Information Science and Technology, 國立成功大學, 台南市, 台湾 2007/01
- A Study on Deliberate Error Randomization for Quantum Stream Cipher by Y-00 protocol QCM&C-2006, Tsukuba International Congress Center, Tsukuba, JAPAN 2006/12
- Quadrature Amplitude Modulation-based Quantum Stream Cipher for Direct Data Encryption Symposium on quantum cryptography by optical communications, Chuo University, JAPAN 2005/11/29
- Y-00 protocol: Quantum Cryptography for Optical Fiber Networks Invited Talk at Taiwan Information Security Center, National Taiwan University of Science and Technology, Taipei, TAIWAN 2005/10/27
- Quadrature Amplitude Modulation-based Quantum Stream Cipher Workshop on Quantum Communication Theory and the Related Topics, Tamagawa University, JAPAN 2005/08/23
- Security of Y-00 protocol against beam-splitter attack QCM&C-2004, University of Strathclyde, Glasgow, UK 2004/07
- 光通信量子暗号プロトコルY-00の安全性向上に向けての一考察 シンポジウム「情報セキュリティにおける研究・人材育成拠点形成へ向けて」,中央大学 2003/12
- A study on the secrity of Y-00 against collective attacks The 2003 Workshop on Cryptography and Related Mathematics, Chuo University, JAPAN 2003/09/09
- (SITAワークショップ``量子符号") 第24回情報理論とその応用シンポジウム,神戸 2001/12
- エンタングルメント復号を持つ古典?量子通信路の符号化 電子情報通信学会量子情報技術研究会,NTT厚木 2001/11
- Realization of codes designed by quantum reliability function 科学技術振興事業団「電子・光子等の機能制御」第2回シンポジウム 2001/10
- Optimum measurement for symmetric mixed states QCM\&C-Y2K, Capri, ITALIAN REPUBLIC 2000/07
- 量子相関による通信路容量の特性変化 電子情報通信学会量子情報技術研究会 1999/11
- Calculation of mutual information for quantum code words with very long length QCM'98, Northwestern University, THE UNITED STATES OF AMERICA 1998/08
- von Neumann エントロピーの最大化問題に関する一考察 電子情報通信学会総合大会, 東海大学 1998/03
- グラム行列に基づく量子決定の最小誤り確率の計算法 電子情報通信学会総合大会, 関西大学 1997/03
- 量子情報理論におけるHolevoの定理について 電子情報通信学会総合大会, 東京工業大学 1996/03
- Committee Member, Photonics Applications for Aviation, Aerospace, Commercial, and Harsh Environments (Chairman: Alex A Kazemi), SPIE O+P; 2014.09.02- 2014
- Chief Editor of the Proceedings of the First International Workshop on Entangled Coherent States and Its Application to Quantum Information Science - Towards Macroscopic Quantum Communications -, Nov. 26-28, 2012 on the campus of Tamagawa University, Tokyo, JAPAN 2012
- 第34回情報理論とその応用シンポジウム(SITA 2011;2011年11月29日 - 12月2日,岩手県,ホテル森の風鶯宿), 座長(8.2 量子情報理論IV 応用 ) 2011
担当経験のある科目(Researchmap表示用) |
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