Prof. Takuya Hirano Profile

Prof. Takuya Hirano

Professor at Gakushuin Univ

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Author

Publications (4)

Proceedings Article | 24 October 2016 Paper

Generation of physical random numbers by using homodyne detection

Kodai Hirakawa, Shota Oya, Yusuke Oguri, Tsubasa Ichikawa, Yujiro Eto, Takuya Hirano, Toyohiro Tsurumaru

Proceedings Volume 9996, 99960Q (2016) https://doi.org/10.1117/12.2241362

KEYWORDS: Homodyne detection, Photonics, Quantum information, Oscillators, Receivers, Statistical analysis, Sensors, Amplifiers, Analytical research, Photodetectors

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Proceedings Article | 24 October 2016 Paper

Continuous operation of four-state continuous-variable quantum key distribution system

Takuto Matsubara, Motoharu Ono, Yusuke Oguri, Tsubasa Ichikawa, Takuya Hirano, Kenta Kasai, Ryutaroh Matsumoto, Toyohiro Tsurumaru

Proceedings Volume 9996, 99960S (2016) https://doi.org/10.1117/12.2241766

KEYWORDS: Quantum key distribution, Homodyne detection, Optical communications, Signal detection, Telecommunications, Optical fibers, Control systems, Phase modulation, Field programmable gate arrays, Polarization

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Proceedings Article | 24 October 2016 Presentation + Paper

Observation of strong continuous-variable Einstein-Podolsky-Rosen entanglement using shaped local oscillators

Ami Shinjo, Naoyuki Hashiyama, Akane Koshio, Yujiro Eto, Takuya Hirano

Proceedings Volume 9996, 99960I (2016) https://doi.org/10.1117/12.2241297

KEYWORDS: Homodyne detection, Waveguides, Beam splitters, Sensors, Oscillators, Continuous wave operation, Light sources, Phase measurement, Pulsed laser operation, Quantum information

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Proceedings Article | 12 May 2006 Paper

Practical implementation of continuous-variable quantum key distribution

Takuya Hirano, Atsushi Shimoguchi, Kazuya Shirasaki, Shingo Tokunaga, Atsushi Furuki, Yohei Kawamoto, Ryo Namiki

Proceedings Volume 6244, 62440O (2006) https://doi.org/10.1117/12.665460

KEYWORDS: Quantum key distribution, Homodyne detection, Sensors, Signal detection, Crystals, Bragg cells, Interferometers, Free space, Polarization, Optical fibers

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