犬伏 正信 Masanobu Inubushi, Ph.D.


Researcher
Computing Theory Research Group
Media Information Laboratory
NTT Communication Science Laboratories

3-1 Morinosato-Wakamiya, Atsugi, Kanagawa 243-0198, Japan
E-mail: inubushi.masanobu (at) lab.ntt.co.jp

Japanese / English
Last update: 1st Sep., 2017

Research Interests

Application of dynamical system theory and nonlinear physics to

Key words

chaos, randomness, time-delay dynamical system, (covariant) Lyapunov analysis, (noise-induced) synchronization...

Education

March 2013 Ph.D. in Mathematical Science, RIMS Kyoto university

Papers

  1. Shoma Ohara, Andreas Karsaklian Dal Bosco, Kazusa Ugajin, Atsushi Uchida, Takahisa Harayama, and Masanobu Inubushi,
    "Dynamics-dependent synchronization in on-chip coupled semiconductor lasers",
    Physical Review E (accepted). New!
  2. Masanobu Inubushi and Kazuyuki Yoshimura,
    "Reservoir Computing Beyond Memory-Nonlinearity Trade-off", Scientific Reports 7, 10199 (2017).
    https://www.nature.com/articles/s41598-017-10257-6 New!
  3. Tomohiro Ito, Hayato Koizumi, Nobumitsu Suzuki, Izumi Kakesu, Kento Iwakawa, Atsushi Uchida, Takeshi Koshiba, Jun Muramatsu, Kazuyuki Yoshimura, Masanobu Inubushi, and Peter Davis,
    "Physical implementation of oblivious transfer using optical correlated randomness", Scientific Reports 7, 8444 (2017).
    https://www.nature.com/articles/s41598-017-08229-x New!
  4. Andreas Karsaklian Dal Bosco, Naoki Sato, Yuta Terashima, Shoma Ohara, Atsushi Uchida, Takahisa Harayama, and Masanobu Inubushi,
    "Random number generation from intermittent optical chaos",
    IEEE Journal of Selected Topics in Quantum Electronics, vol. 23, no. 6, pp. 1-8, (2017). New!
  5. Nobumitsu Suzuki, Takuya Hida, Makoto Tomiyama, Atsushi Uchida, Kazuyuki Yoshimura, Kenichi Arai, and Masanobu Inubushi,
    "Common-signal-induced synchronization in semiconductor lasers with broadband optical noise signal",
    IEEE Journal of Selected Topics in Quantum Electronics, vol. 23, no. 6, pp. 1-10, (2017). New!
  6. Andreas Karsaklian Dal Bosco, Syoma Ohara, Naoki Sato, Yasuhiro Akizawa, Atsushi Uchida, Takahisa Harayama, and Masanobu Inubushi,
    "Dynamics versus feedback delay time in photonic integrated circuits: Mapping the short cavity regime",
    IEEE Photonics Journal, Volume: 9, Issue: 2 (2017).New!
  7. Kazusa Ugajin, Yuta Terashima, Kento Iwakawa, Atsushi Uchida, Takahisa Harayama, Kazuyuki Yoshimura, and Masanobu Inubushi,
    "Real-time fast physical random number generator with a photonic integrated circuit",
    Optics Express 25(6), 6511-6523 (2017).New!
  8. Masanobu Inubushi, Kazuyuki Yoshimura, and Peter Davis
    "Noise robustness of unpredictability in a chaotic laser system: Toward reliable physical random bit generation”
    Physical Review E 91, 022918 (2015).
  9. Masanobu Inubushi, Kazuyuki Yoshimura, Kenichi Arai, and Peter Davis
    “Physical random bit generators and their reliability: focusing on chaotic laser systems”
    Nonlinear Theory and Its Applications (invited paper), IEICE, vol. 6 no. 2 (2015).
  10. Masanobu Inubushi, Shin-ichi Takehiro, Michio Yamada
    “Regeneration cycle and the covariant Lyapunov vectors in a minimal wall turbulence''
    Physical Review E 92, 023022 (2015).
  11. Masanobu Inubushi, Miki U Kobayashi, Shin-ichi Takehiro, and Michio Yamada
    “Covariant Lyapunov Analysis of Chaotic Kolmogorov Flows”
    Physical Review E 85, 016331 (2012).

International conference

  1. Masanobu Inubushi, and Kazuyuki Yoshimura
    “Reservoir Computing Beyond Memory-Nonlinearity Trade-off”
    The 37th Dynamics Days Europe, 7th June (2017).New!
  2. Masanobu Inubushi, and Kazuyuki Yoshimura
    “A numerical study on the role of nonlinearityof activation function in reservoir computing”
    The 36th Dynamics Days Europe, 7th June (2016).
  3. Masanobu Inubushi, Kazuyuki Yoshimura, and Peter Davis
    “Noise-robustness of physical random bit generation”
    The 35th Dynamics Days Europe 2015, 9th Sep. (2015).
  4. Masanobu Inubushi and Kazuyuki Yoshimura
    “Memory capacity and time scales in delay dynamical systems for reservoir computing”
    The 35th Dynamics Days Europe 2015, 9th Sep. (2015).
  5. Masanobu Inubushi, Shin-ichi Takehiro, and Michio Yamada
    “Covariant Lyapunov analysis and its application to Navier-Stokes flows”
    The 9th International Conference on Computational Physics, 9th Jan. (2015).
  6. Masanobu Inubushi, Shin-ichi Takehiro, Michio Yamada
    “The regeneration cycle and the covariant Lyapunov vectors in a minimal wall turbulence”
    Dynamics Days Asia-Pacific 2014, 22th July (2014).
  7. Masanobu Inubushi, Kazuyuki Yoshimura, and Peter Davis
    “Noise-Robustness of Random Bit Generations by Chaotic Semiconductor Lasers”
    2014 International Symposium on Nonlinear Theory and its Applications, 17th Sep. (2014).
  8. Masanobu Inubushi, Shin-ichi Takehiro, and Michio Yamada
    “Orbital instability of the regeneration cycle in minimal Couette turbulence”
    International Conference on Fluid Mechanics, Barcelona, Spain, 24 Feb.-2 Mar. (2013).
  9. Masanobu Inubushi, Miki U. Kobayashi, Shin-ichi Takehiro, and Michio Yamada
    “Covariant Lyapunov Analysis of Chaotic Kolmogorov Flows and Time-correlation Function”
    IUTAM Symposium on 50 Years of Chaos: Applied and Theoretical, Kyoto University, Clock Tower Centennial Hall, Kyoto, Japan, 28 Nov.-2 Dec. (2011).
  10. Masanobu Inubushi, Miki U. Kobayashi, Shin-ichi Takehiro
    “Covariant Lyapunov Analysis of Chaotic Kolmogorov Flows and Time-correlation Functions”
    8th International Summer School/Conference, LET'S FACE CHAOS THROUGH NONLINEAR DYNAMICS, Center for Applied Mathematics and Theoretical Physics, University of Maribor, Slovenia, 2 July (2011).
  11. Masanobu Inubushi, Miki U. Kobayashi, Shin-ichi Takehiro, and Michio Yamada
    “Covariant Lyapunov Analysis of Chaotic Kolmogorov Flows”
    Dynamics Days Europe 2010, Bristol, UK, 6-10 Sep. (2010).