Research Areas
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Mathematical physics and fundamental theory of condensed matter physics
Details of a Researcher
Updated on 2024/11/08
Universal Single-Mode Lasing in Fully Chaotic Billiard Lasers
Mengyu You, Daisuke Sakakibara, Kota Makino, Yonosuke Morishita, Kazutoshi Matsumura, Yuta Kawashima, Manao Yoshikawa, Mahiro Tonosaki, Kazutaka Kanno, Atsushi Uchida, Satoshi Sunada, Susumu Shinohara, Takahisa Harayama
Entropy 24 ( 11 ) 2022.11
Dynamics Versus Feedback Delay Time in Photonic Integrated Circuits: Mapping the Short Cavity Regime
Andreas Karsaklian Dal Bosco, Shoma Ohara, Naoki Sato, Yasuhiro Akizawa, Atsushi Uchida, Takahisa Harayama, Masanobu Inubushi
IEEE PHOTONICS JOURNAL 9 ( 2 ) 2017.04 [Refereed]
One-port ring refractive index sensor with attached sub-ring
H. Okayama, H. Takahisa, M. Tsutsui, M. Mendez-Astudillo, H. Nakajima
OPTICAL REVIEW 24 ( 1 ) 11 - 16 2017.02 [Refereed]
N-1-20 Intermittent route to chaos in a photonic integrated circuit
Karsaklian Dal, Bosco Andreas, Akizawa Yasuhiro, Kanno Kazutaka, Uchida Atsushi, Harayama Takahisa, Yoshimura Kazuyuki
Proceedings of the IEICE Engineering Sciences Society/NOLTA Society Conference 2016 358 - 358 2016.03
A-2-17 Self-pulsations and dynamics in photonic integrated circuit
Andreas Karsaklian, Dal Bosco, Ugajin Kazusa, Kanno Kazutaka, Harayama Takahisa, Yoshimura Kazuyuki, Uchida Atsushi
Proceedings of the IEICE General Conference 2015 48 - 48 2015.02
A-2-15 Frequency dependence on chaos synchronization in photonic integrated circuit with mutually-coupled semiconductor lasers
Ohara Shoma, Ugajin Kazusa, Takahashi Rie, Harayama Takahisa, Yoshimura Kazuyuki, Uchida Atsushi
Proceedings of the IEICE General Conference 2015 46 - 46 2015.02
Transverse Magnetic Emissions of GaAs Unstrained Quantum-Well Microcavity Lasers
Takehiro Fukushima, Susumu Shinohara, Satoshi Sunada, Takahisa Harayama, Koichiro Sakaguchi, Yasunori Tokuda
2015 17th International Conference on Transparent Optical Networks (ICTON) 2015-August 2015 [Refereed]
Compact Two-Dimensional Multipass GaAs Optical Cavity with a Long Path Length
Takehiro Fukushima, Susumu Shinohara, Satoshi Sunada, Takahisa Harayama, Kenichi Arai, Kazuyuki Yoshimura, Koichiro Sakaguchi, Yasunori Tokuda
Frontiers in Optics 2014 2014.10 [Refereed]
Fast physical random bit generation with photonic integrated circuits with different external cavity lengths for chaos generation
Rie Takahashi, Yasuhiro Akizawa, Atsushi Uchida, Takahisa Harayama, Ken Tsuzuki, Satoshi Sunada, Kenichi Arai, Kazuyuki Yoshimura, Peter Davis
OPTICS EXPRESS 22 ( 10 ) 11727 - 11740 2014.05 [Refereed]
Physical random number generation using photonic integrated circuit with mutually-coupled semiconductor lasers
Rie Takahashi, Yasuhiro Akizawa, Atsushi Uchida, Takahisa Harayama, Ken Tsuzuki, Satoshi Sunada, Kazuyuki Yoshimura, Kenichi Arai, Peter Davis
Optics InfoBase Conference Papers 2013
Noise amplification by chaotic dynamics in a delayed feedback laser system and its application to nondeterministic random bit generation
Satoshi Sunada, Takahisa Harayama, Peter Davis, Ken Tsuzuki, Ken-ichi Arai, Kazuyuki Yoshimura, Atsushi Uchida
CHAOS 22 ( 4 ) 2012.12 [Refereed]
Fast Random Number Generation With Bandwidth-Enhanced Chaotic Semiconductor Lasers at 8 x 50 Gb/s
Yasuhiro Akizawa, Taiki Yamazaki, Atsushi Uchida, Takahisa Harayama, Satoshi Sunada, Kenichi Arai, Kazuyuki Yoshimura, Peter Davis
IEEE PHOTONICS TECHNOLOGY LETTERS 24 ( 12 ) 1042 - 1044 2012.06 [Refereed]
Secure Key Distribution Using Correlated Randomness in Lasers Driven by Common Random Light
Kazuyuki Yoshimura, Jun Muramatsu, Peter Davis, Takahisa Harayama, Haruka Okumura, Shinichiro Morikatsu, Hiroki Aida, Atsushi Uchida
PHYSICAL REVIEW LETTERS 108 ( 6 ) 070602 2012.02 [Refereed]
Theory and experiments of fast non-deterministic random bit generation using on-chip chaos lasers
Satoshi Sunada, Takahisa Harayama, Kenichi Arai, Jun Muramatsu, Kazuyuki Yoshimura, Ken Tsuzuki, Peter Davis, Atsushi Uchida
IUTAM SYMPOSIUM ON 50 YEARS OF CHAOS: APPLIED AND THEORETICAL 5 190 - 194 2012 [Refereed]
Estimation of entropy rate in a fast physical random-bit generator using a chaotic semiconductor laser with intrinsic noise
Takuya Mikami, Kazutaka Kanno, Kota Aoyama, Atsushi Uchida, Tohru Ikeguchi, Takahisa Harayama, Satoshi Sunada, Ken-ichi Arai, Kazuyuki Yoshimura, Peter Davis
PHYSICAL REVIEW E 85 ( 1 ) 2012.01 [Refereed]
Fast physical random number generation with bandwidth enhancement of chaotic semiconductor lasers
Taiki Yamazaki, Yasuhiro Akizawa, Atsushi Uchida, Takahisa Harayama, Satoshi Sunada, Kazuyuki Yoshimura, Peter Davis
Optics InfoBase Conference Papers 2011
Fast random bit generation with bandwidth-enhanced chaos in semiconductor lasers
Kunihito Hirano, Taiki Yamazaki, Shinichiro Morikatsu, Haruka Okumura, Hiroki Aida, Atsushi Uchida, Shigeru Yoshimori, Kazuyuki Yoshimura, Takahisa Harayama, Peter Davis
OPTICS EXPRESS 18 ( 6 ) 5512 - 5524 2010.03 [Refereed]
Earth's rotation rate detection using an extremely-large semiconductor fiber optic gyroscope extending over 10,000 m2
Keizo Inagaki, Shuichi Tamura, Tomoko Tanaka, Hiroyuki Noto, Takahisa Harayama
Proceedings of SPIE - The International Society for Optical Engineering 7004 2008
Lasing emission patterns from monza-shaped semiconductor microcavities
Yutaka Nakae, Tomohiro Miyasaka, Takahiko Sasaki, Susumu Shinohara, Takahisa Harayama
Proceedings of 2008 10th Anniversary International Conference on Transparent Optical Networks, ICTON 4 258 - 259 2008
Improvement of accuracy of angular velocity detection in semiconductor fiber-optic ring laser gyroscope
Tomoki Ishida, Shuichi Tamura, Satoshi Sunada, Keizo Inagaki, Shigeru Saito, Takahisa Harayama
19TH INTERNATIONAL CONFERENCE ON OPTICAL FIBRE SENSORS, PTS 1 AND 2 7004 2008 [Refereed]
Progress of Theoretical Physics Supplment: Preface
Katsuhiro Nakamura, Takahisa Harayama, Kazuo Takatsuka
Progress of Theoretical Physics Supplement ( 166 ) 2007
Experimental investigation of Sagnac beat signals using semiconductor fiber-optic ring laser gyroscope (S-FOG) based on semiconductor optical amplifier (SOA)
Shuichi Tamura, Keizo Inagaki, Hiroyuki Noto, Takahisa Harayama
Proceedings of SPIE - The International Society for Optical Engineering 6770 2007
Control of directional emission in two-dimensional quasi-stadium micro-cavity laser diodes with two-electrodes
Muhan Choi, Tomoko Tanaka, Takehiro Fukushima, Takahisa Harayama
ICTON 2006: 8TH INTERNATIONAL CONFERENCE ON TRANSPARENT OPTICAL NETWORKS, VOL 4, PROCEEDINGS 4 117 - + 2006 [Refereed]
Fractal behavior in magnetoconductance in coupled quantum dot systems
Nobuyuki Aoki, Li Hung Lin, Takahiro Morimoto, Takahiko Sasaki, Jun Feng Song, Koji Ishibashi, Jonathan P. Bird, Agung Budiyono, Katsuhiro Nakamura, Takahisa Harayama, Yuichi Ochiai
Physica E: Low-Dimensional Systems and Nanostructures 22 ( 1-3 ) 361 - 364 2004.04
Ray-wave correspondence in a fully chaotic quasi-stadium laser resonator
Takehiro Fukushima, Takahisa Harayama, Jan Wiersig
OSA Trends in Optics and Photonics Series 97 845 - 846 2004
Lasing on scar modes in fully chaotic microcavities
Takahisa Harayama, Tekehiro Fukushima, Peter Davis, Pablo O. Vaccaro, Tomohiro Miyasaka, Takehiro Nishimura, Tahito Aida
Physical Review E - Statistical, Nonlinear, and Soft Matter Physics 67 ( 1 2 ) 152071 - 152074 2003.01
Asymmetric beam emission from a symmetric confocal quasi-stadium laser diode due to locking of two ring-trajectory modes
Takehiro Fukushima, Takahisa Harayama, Peter Davis, Pablo O. Vaccaro, Takehiro Nishimura, Tahito Aida
OSA Trends in Optics and Photonics Series 88 1284 - 1285 2003
光多重化によるフォトニックコンピューティングデバイスの変革
日本学術振興会 科学研究費助成事業 学術変革領域研究(A)
Project Year :
砂田 哲, 原山 卓久, 丸山 武男, 犬伏 正信
波動カオスとレーザー媒質による2重非線形性が導く普遍則の探求
日本学術振興会 科学研究費助成事業
Project Year :
原山 卓久
Photonic information processing based on wave chaos and dynamical deep learning
Japan Society for the Promotion of Science Grants-in-Aid for Scientific Research
Project Year :
Sunada Satoshi
Characteristics of weak chaos in view of large deviation analysis and infinite ergodicity
Japan Society for the Promotion of Science Grants-in-Aid for Scientific Research
Project Year :
Aizawa Yoji, TSUGAWA Satoru, NAKAGAWA Masaki
Ergodic and Kinetic Properties of Hamiltonian Dynamical Systems
Japan Society for the Promotion of Science Grants-in-Aid for Scientific Research
Project Year :
AIZAWA Yoji, MIYASAKA Tomohiro, HARAYAMA Takahisa
The origin of 1/f spectrum fluctuation in the hamiltonian dynamics for lattice systems.
Japan Society for the Promotion of Science Grants-in-Aid for Scientific Research
Project Year :
AIZAWA Yoji, HIRAYAMA Takuhisa
Two-dimensional microcavity lasers
T. Harayama, S. Shinohara
Laser and Photonics Reviews 5 ( 2 ) 247 - 271 2011.03
Book review, literature introduction, etc.
A-2-25 Entropy generation rate of physical random bit generator with chaotic semiconductor lasers with noise
Mikami Takuya, Kanno Kazutaka, Aoyama Kota, Uchida Atsushi, Harayama Takahisa, Sunada Satoshi, Arai Kenichi, Yoshimura Kazuyuki, Davis Peter
Proceedings of the IEICE General Conference 2011 66 - 66 2011.02
Efficient Physical Random Bit Generation with Lasers
Takahisa Harayama, Atsushi Uchida, Kazuyuki Yoshimura, Peter Davis
ICTON: 2009 11TH INTERNATIONAL CONFERENCE ON TRANSPARENT OPTICAL NETWORKS, VOLS 1 AND 2 791 - 791 2009
Seminar on Nonlinear Physics B
Graduate School of Advanced Science and Engineering
2024 fall semester
Seminar on Nonlinear Physics A
Graduate School of Advanced Science and Engineering
2024 spring semester
Seminar on Nonlinear Physics B
Graduate School of Advanced Science and Engineering
2024 fall semester
Seminar on Nonlinear Physics A
Graduate School of Advanced Science and Engineering
2024 spring semester
Master's Thesis (Department of Pure and Applied Physics)
Graduate School of Advanced Science and Engineering
2024 full year
Master's Thesis (Department of Pure and Applied Physics)
Graduate School of Advanced Science and Engineering
2024 full year
Study Abroad in Physics and Applied Physics D
Graduate School of Advanced Science and Engineering
2024 full year
Study Abroad in Physics and Applied Physics C
Graduate School of Advanced Science and Engineering
2024 full year
Study Abroad in Physics and Applied Physics B
Graduate School of Advanced Science and Engineering
2024 full year
Study Abroad in Physics and Applied Physics A
Graduate School of Advanced Science and Engineering
2024 full year
Research and Exercises in Applied Physics [S Grade]
School of Advanced Science and Engineering
2024 full year
Fundamental Statistics Thermodynamics
School of Advanced Science and Engineering
2024 spring semester
Faculty of Science and Engineering Graduate School of Advanced Science and Engineering
Waseda Research Institute for Science and Engineering Concurrent Researcher
完全カオスビリヤードレーザーにおける発振モードの非線形ダイナミクスの研究
2018 篠原晋
2016 鈴木慎, 関口峻矢, 小山廣英, 川嶋悠太, 折原眞児, 外崎真広, 中村友彦, 鈴木裕一郎, 吉川真生
Click to view the Scopus page. The data was downloaded from Scopus API in November 07, 2024, via http://api.elsevier.com and http://www.scopus.com .