Osamu Hirota

Tamagawa University — Japan

Computer Science · Physical Sciences

27h-index3.5kcitations285works0.32yr avg
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Research Topics

Quantum Information and Cryptography(146), Quantum Computing Algorithms and Architecture(113), Quantum Mechanics and Applications(82), Optical Network Technologies(50), Advanced Photonic Communication Systems(33)

Publications285 total

Quantum Shannon Information Theory—Design of Communication, Ciphers, and Sensors
Entropy·2025Open Access
Quantum Shannon Information Theory -Design of communication, cipher and sensor-
arXiv (Cornell University)·2025Open Access
Quantum stream cipher and Quantum block cipher -The Era of 100 Gbit/sec real-time encryption-
arXiv (Cornell University)·2025Open Access
Design of Quantum Stream Cipher: Part-I -Lifting the Shannon Impossibility Theorem-
arXiv (Cornell University)·2025Open Access
Quantum Stream Cipher Based on Holevo–Yuen Theory: Part II
Entropy·2024Open Access
An improvement of optical PPM communication with high security
Optics Communications·2024· 2 cited
An improvement of optical PPM communication with high security
arXiv (Cornell University)·2024Open Access
Quantum Stream Cipher Based on Holevo-Yuen Theory-Part II
Preprints.org·2024Open Access
Digest of Quantum Stream Cipher based on Holevo-Yuen Theory
arXiv (Cornell University)·2022Open Access
Quantum Stream Cipher Based on Holevo–Yuen Theory
Entropy·2022· 6 citedOpen Access
Introduction to Semi-Classical Analysis for Digital Errors of Qubit in Quantum Processor
Entropy·2021· 3 citedOpen Access
Quantum noise analysis for quantum conputer-3 -- Application of quantum stochastic differential equation
IEICE Technical Report; IEICE Tech. Rep.·2021
Quantum Noise Analysis for Quantum Computer -- Error model in large scale quantum many body system and examples
IEICE Technical Report; IEICE Tech. Rep.·2020
Application of quantum Pinsker inequality to quantum communications
arXiv (Cornell University)·2020· 1 citedOpen Access
Fisher information and quantum gyro sensor -- Ikehara's interpretation of quantum probability theory
IEICE Technical Report; IEICE Tech. Rep.·2020
Application of quantum Pinsker inequality -- Contribution of Umegaki and Ohya
IEICE Technical Report; IEICE Tech. Rep.·2019
1,000-Km Transmission of 1.5-Gb/S Y-00 Quantum Stream Cipher Using 4096-Level Intensity Modulation Signals
Conference on Lasers and Electro-Optics·2019· 6 cited
昔話の語りと文体 : 桜井小菊の「屁こき爺(鳥呑爺)」をめぐって (田端信廣先生 退職記念論文集)
Medical Entomology and Zoology·2019Open Access
1,000-km Transmission of 1.5-Gb/s Y-00 Quantum Stream Cipher using 4096-level Intensity Modulation Signals
Conference on Lasers and Electro-Optics·2019· 11 cited
Experimental investigation of security parameter of Y-00 quantum stream cipher transceiver with randomization technique: part II
2018· 5 cited
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Frequent Co-authors

Kentaro Kato(11), Masahide Sasaki(10), Masaki Sohma(6), Masashi Ban(5), Masao Osaki(5), Masayuki Izutsu(4), A. S. Holevo(3), Tomoshiro TAKEDA(3), Fumio Futami(3), Y. Suematsu(2), Stephen M. Barnett(2), Katsuyoshi Harasawa(2), Kiichi Yamashita(2), Makoto Honda(2), Kenichi Ohhata(2), Shigeto Akutsu(2), Yoshifumi Doi(2), Tsuyoshi Sasaki Usuda(2), Steven van Enk(1), Keiko Kurokawa(1)