Dr. Masahiro Takeoka Profile

Dr. Masahiro Takeoka

at NICT

SPIE Involvement:

Author

Proceedings Article | 9 October 2019 Presentation + Paper

Free-space optical secret key agreement with post-selection based on channel state information

Hiroyuki Endo, Mikio Fujiwara, Mitsuo Kitamura, Orie Tsuzuki, Ryosuke Shimizu, Masahiro Takeoka, Masahide Sasaki

Proceedings Volume 11153, 111530K (2019) https://doi.org/10.1117/12.2532232

KEYWORDS: Free space optics, Information security, Network security, Optical information security

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Proceedings Article | 4 March 2019 Paper

Research and development of highly secure free-space optical communication system for mobile platforms in NICT

Yoshihiko Saito, Hiroyuki Endo, Hideki Takenaka, Yasushi Munemasa, Mikio Fujiwara, Alberto Carrasco-Casado, Phuc Trinh, Mitsuo Kitamura, Toshihiro Kubo-oka, Masahiro Takeoka, Masahide Sasaki, Morio Toyoshima

Proceedings Volume 10910, 109100I (2019) https://doi.org/10.1117/12.2513873

KEYWORDS: Telecommunications, Free space optics, Transmitters, Telescopes, Satellites, Receivers, Free space optical communications, Quantum key distribution, Satellite communications, Quantum communications

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Proceedings Article | 6 November 2018 Presentation

Fundamental precision limit of an interferometric sensor when one of the inputs is the vacuum (Conference Presentation)

Masahiro Takeoka, Kaushik Seshadreesan, Chenglong You, Shuro Izumi, Jonathan Dowling

Proceedings Volume 10771, 1077106 (2018) https://doi.org/10.1117/12.2320916

KEYWORDS: Interferometry, Sensors, Phase shifts, Metrology, Mach-Zehnder interferometers, Inspection, Interferometers

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Proceedings Article | 24 October 2016 Paper

Photonic quantum digital signatures operating over kilometer ranges in installed optical fiber

Robert Collins, Mikio Fujiwara, Ryan Amiri, Toshimori Honjo, Kaoru Shimizu, Kiyoshi Tamaki, Masahiro Takeoka, Erika Andersson, Gerald Buller, Masahide Sasaki

Proceedings Volume 9996, 999604 (2016) https://doi.org/10.1117/12.2241502

KEYWORDS: Information security, Quantum key distribution, Optical fibers, Digital photography, Receivers, Quantum information, Sensors, Clocks, Standards development, Telecommunications

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Proceedings Article | 19 May 2012 Paper

Novel photon detection technologies for quantum communications

M. Sasaki, A. Tanaka, M. Fujiwara, K. Yoshino, S. Takahashi, Y. Nambu, A. Tomita, A. Tajima, S. Miki, T. Yamashita, H. Terai, Z. Wang, K. Tsujino, D. Fukuda, M. Takeoka

Proceedings Volume 8375, 837503 (2012) https://doi.org/10.1117/12.919917

KEYWORDS: Photodetectors, Avalanche photodetectors, Quantum key distribution, Receivers, Signal detection, Sensors, Quantum communications, Indium gallium arsenide, Superconductors, Nanowires

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Proceedings Article | 2 May 2009 Paper

Conceptual designs of onboard transceivers for ground-to-satellite quantum cryptography

Morio Toyoshima, Yozo Shoji, Yoshihisa Takayama, Hiroo Kunimori, Masahiro Takeoka, Mikio Fujiwara, Masahide Sasaki

Proceedings Volume 7324, 73240E (2009) https://doi.org/10.1117/12.820563

KEYWORDS: Quantum key distribution, Quantum cryptography, Satellites, Information security, Laser sources, Photons, Polarization, Sensors, Transceivers, Optical fibers

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Proceedings Article | 18 April 2008 Paper

Development of the polarization tracking scheme for free-space quantum cryptography

Morio Toyoshima, Yoshihisa Takayama, Hiroo Kunimori, Masahiro Takeoka, Mikio Fujiwara, Masahide Sasaki

Proceedings Volume 6951, 69510I (2008) https://doi.org/10.1117/12.783627

KEYWORDS: Polarization, Quantum cryptography, Receivers, Transmitters, Satellites, Quantum key distribution, Polarizers, Modulation, Quantum information, Modulators

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Proceedings Article | 10 September 2007 Paper

Non-Gaussian control of continuous variables with photon counting and filtering

M. Sasaki, K. Wakui, H. Takahashi, M. Takeoka, S. Suzuki

Proceedings Volume 6780, 678006 (2007) https://doi.org/10.1117/12.733491

KEYWORDS: Sensors, Light sources, Superposition, Optical parametric oscillators, Homodyne detection, Single photon, Beam splitters, Avalanche photodetectors, Silicon

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Proceedings Article | 11 January 2005 Paper

Design of POVMs with linear optics and continuous measurement

Masahiro Takeoka, Masahide Sasaki, Peter van Loock

Proceedings Volume 5631, (2005) https://doi.org/10.1117/12.576708

KEYWORDS: Photodetectors, Receivers, Photon counting, Optical testing, Signal detection, Binary data, Oscillators, Quantum information, Quantum communications, Beam splitters

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Proceedings Article | 11 January 2005 Paper

Quantum state engineering with entangled squeezed states and photon number detector

Akira Kitagawa, Katsuji Yamamoto, Koji Nagata, Masahiro Takeoka, Masahide Sasaki

Proceedings Volume 5631, (2005) https://doi.org/10.1117/12.580852

KEYWORDS: Picosecond phenomena, Sensors, Beam splitters, Photodetectors, Teleportation, Quantum information, Quantum state engineering, Transmittance, Entangled states, Quantum efficiency

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Showing 5 of 10 publications

Conference Committee Involvement (1)

Quantum Communications Realized II

28 January 2009 | San Jose, California, United States

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