Yuzuru Kato -publications-

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Preprints (Under review)｜Journal papers｜Conference proceedings

Preprints (Under review)

"Quantum spin van der Pol oscillator - a spin-based limit-cycle oscillator exhibiting quantum synchronization" 
Yuzuru Kato, Hiroya Nakao. [arxiv]
"Quantum asymptotic amplitude for quantum oscillatory systems from the Koopman operator viewpoint"
Yuzuru Kato. [arxiv]

Journal papers

"Dynamic mode decomposition for Koopman spectral analysis of elementary cellular automata"
Keisuke Taga, Yuzuru Kato, Yoshihiro Yamazaki, Yoshinobu Kawahara, Hiroya Nakao , Chaos 34, 013125 (2024) [Journal] [arxiv]
"Quantum asymptotic phase reveals signatures of quantum synchronization"
Yuzuru Kato, Hiroya Nakao, New J. Phys. 25 023012 (2023).
[Journal(Open Access)] [arxiv v1] [arxiv v2]
"Turing instability in quantum activator-inhibitor systems"
Yuzuru Kato, Hiroya Nakao, Sci. Rep. 12,15573 (2022)
[Journal(Open Access)] [arxiv]
"A definition of the asymptotic phase for quantum nonlinear oscillators from the Koopman operator viewpoint"
Yuzuru Kato, Hiroya Nakao , Chaos 32, 063133 (2022) (Featured) [Journal] [arxiv]
"Phase dynamics of noise-induced coherent oscillations in excitable systems"
Jinjie Zhu, Yuzuru Kato, Hiroya Nakao, Phys. Rev. Research 4, L022041 (2022) [Journal(Open Access)] [arxiv]
"Koopman spectral analysis of elementary cellular automata"
Keisuke Taga, Yuzuru Kato, Yoshinobu Kawahara, Yoshihiro Yamazaki, Hiroya Nakao , Chaos 31, 103121 (2021) [Journal] [arxiv]
"Asymptotic phase and amplitude for classical and semiclassical stochastic oscillators via Koopman operator theory"
Yuzuru Kato, Jinjie Zhu, Wataru Kurebayashi, Hiroya Nakao, Mathematics 9, 2188 (2021) [Journal(Open Access)] [arxiv]
"Fast optimal entrainment of limit-cycle oscillators by strong periodic inputs via phase-amplitude reduction and Floquet theory"
Shohei Takata, Yuzuru Kato, Hiroya Nakao, Chaos 31, 093124 (2021) [Journal] [arxiv]
"Optimization of periodic input waveforms for global entrainment of weakly forced limit-cycle oscillators"
Yuzuru Kato, Anatoly Zlotnik, Jr-Shin Li, Hiroya Nakao, Nonlinear dynamics, 105, 2247–2263 (2021) [Journal] [arxiv]
"Quantum coherence resonance"
Yuzuru Kato, Hiroya Nakao, New Journal of Physics, IOP Publishing, 23 043018 (2021) [Journal(Open Access)] [arxiv]
"Instantaneous phase synchronization of two decoupled quantum limit-cycle oscillators induced by conditional photon detection"
Yuzuru Kato, Hiroya Nakao, Phys. Rev. Research 3, 013085 (2021) [Journal(Open Access)] [arxiv]
"Enhancement of quantum synchronization via continuous measurement and feedback control"
Yuzuru Kato, Hiroya Nakao, New Journal of Physics, IOP Publishing, 23 013007 (2021) [Journal(Open Access)] [arxiv]
"Semiclassical optimization of entrainment stability and phase coherence in weakly forced quantum limit-cycle oscillators"
Yuzuru Kato, Hiroya Nakao, Physical Review E. 101.012210 (2020). [Journal] [arxiv]
"Semiclassical Phase Reduction Theory for Quantum Synchronization"
Yuzuru Kato, Naoki Yamamoto, Hiroya Nakao, Phys. Rev. Research 1, 033012 (2019). [Journal(Open Access)] [arxiv]
"Optimization of linear and nonlinear interaction schemes for stable synchronization of weakly coupled limit-cycle oscillators"
Nobuhiro Watanabe, Yuzuru Kato, Sho Shirasaka, Hiroya Nakao, Physical Review E 100, 042205 (2019). [Journal] [arxiv]
"Structure identification and state initialization of spin network with limited access"
Yuzuru Kato, Naoki Yamamoto, New Journal of Physics, IOP Publishing, 16, 023024, (2014). [Journal(Open Access)] [arxiv]

Conference proceedings

"Evaluation of Hysteresis Effects in Coupled Oscillators for Reservoir Computing"
Reiji Ota, Yuzuru Kato, Yuichi Katori, NOLTA2024, Ha long Bay, Vietnam, December, 2024
"Hysteretic Oscillator-Based Reservoir Computing for Audio Waveform Pattern Recognition"
Reiji Ota, Yuzuru Kato, Yuichi Katori, 2024 International Joint Conference on Neural Networks, Yokohama, Japan, July 2024 [P] [Proceeding]
"A definition of quantum asymptotic phase function for analyzing quantum synchronization from the Koopman operator viewpoint" Yuzuru Kato, Dynamics Days Asia Pacific 13, Kyoto, Japan, July, 2024 [P]. [Proceeding]
"Dynamical mode decomposition for infinite-dimensional open quantum systems; Liouvillian spectral analysis and parameter estimation"
Yuzuru Kato, Hiroya Nakao, The 62th IEEE Conference on Decision and Control, Singapore, Singapore, December, 2023. [Proceeding]
"Turing instability in quantum activator–inhibitor systems"
Yuzuru Kato, Hiroya Nakao, Dynamics Days Europe 2023, Naples, Italy, September, 2023.
"Quantum asymptotic phase function on the basis of Koopman operator theory"
Yuzuru Kato, Hiroya Nakao, ICIAM 2023, Tokyo, Japan, August, 2023.
"Data-driven reconstruction of asymptotic phase and amplitude functions of stochastic oscillators using extended dynamic mode decomposition"
Shohei Takata, Yuzuru Kato, Hiroya Nakao(presenter), 2023 IUTAM Symposium on Nonlinear dynamics for design of mechanical systems across different length/time scales, Tsukuba, Japan, August, 2023. to appear
"Turing instability of activator-inhibitor units in open quantum systems"
Yuzuru Kato, Hiroya Nakao, APS March Meeting 2023, USA (Virtial), March, 2023. [Abstract]
"Asymptotic Phase for Stochastic and Quantum Nonlinear Oscillators Based on Koopman Operator Theory"
Yuzuru Kato, Hiroya Nakao, NOLTA2022, Japan (Virtual), December, 2022. [Abstract]
"Data-driven spectral analysis of quantum spin networks with limited access using Hankel dynamic mode decomposition"
Yuzuru Kato, Hiroya Nakao, The 61th IEEE Conference on Decision and Control, Cancún, Mexico, December, 2022. [Proceeding]
"Reconstruction of Asymptotic Phase and Amplitude Functions from Time Series of Stochastic Oscillatory Systems by Extended Dynamic Mode Decomposition "
Shohei Takata, Yuzuru Kato (presenter), Hiroya Nakao, SICE2022, Kumamoto, Japan, September, 2022. [Abstract]
"Construction and application of phase reduction in coherent excitable systems"
Jinjie Zhu, Yuzuru Kato (presenter), Hiroya Nakao, Dynamics Days Europe 2022, Aberdeen, Scotland, August, 2022.
"Optimization of weak periodic input waveforms for global entrainment of limit- cycle oscillators"
Yuzuru Kato, Hiroya Nakao, Dynamics Days Europe 2022, Aberdeen, Scotland, August, 2022 [P].
"Cryogenic tunnel-diode-oscillator for qubit read-out"
Daimo Yoshikawa, Ivan Grytsenko, Yuzuru Kato, Oleksiy Rybalko, Hiroya Nakao, Naoki Yamamoto, Denis Konstantinov, Erika Kawakami, 29th International Conference on Low Temperature Physics, Japan, August, 2022.
"Fast optimal entrainment of limit-cycle oscillators by strong periodic inputs via phase-amplitude reduction"
Shohei Takata, Yuzuru Kato, Hiroya Nakao, APS March Meeting 2022, USA (Virtial), March, 2022. [Abstract]
"Phase reduction theory of coherent excitable systems"
Jinjie Zhu, Yuzuru Kato, Hiroya Nakao, APS March Meeting 2022, USA (Virtial), March, 2022. [Abstract]
"Coherence resonance in open quantum systems"
Yuzuru Kato, Hiroya Nakao, APS March Meeting 2022, USA (Virtial), March, 2022. [Abstract]
"Optimization of periodic input waveforms for phase distribution control of weakly forced limit-cycle oscillators"
Yuzuru Kato, Hiroya Nakao, SICE 2021 (Virtual), September, 2021. [Abstract]
"Koopman operator and phase and amplitude functions for stochastic oscillators"
Yuzuru Kato, Jinjie Zhu, Hiroya Nakao, Dynamics Days Europe 2021, Nice, France (Hybrid) August, 2021. [Abstract]
"Asymptotic phase of classical and quantum nonlinear oscillators from Koopman operator viewpoint"
Yuzuru Kato, Hiroya Nakao, SIAM Conference on Applications of Dynamical Systems, Oregon, USA (Virtual) May, 2021. [Abstract]
"Asymptotic phase function for quantum nonlinear oscillators reveals signatures of quantum synchronization"
Yuzuru Kato, Hiroya Nakao, APS March Meeting 2021, USA (Virtial), March, 2021. [Abstract]
"Continuous Measurement and Feedback Control for Enhancement of Quantum Synchronization"
Yuzuru Kato, Hiroya Nakao, The 59th IEEE Conference on Decision and Control, Jeju Island, Republic of Korea (Virtual), December, 2020. [Proceeding]
"Optimal Waveform for Fast Entrainment of Weakly Forced Quantum Nonlinear Dissipative Oscillators"
Yuzuru Kato, Hiroya Nakao, The 58th IEEE Conference on Decision and Control, Nice, France, December, 2019. [Proceeding]
"Semiclassical Phase Reduction Theory for Quantum Dissipative Nonlinear Oscillators"
Yuzuru Kato, Hiroya Nakao, APS March Meeting 2019, Boston, USA, March, 2019. [Abstract]
"Estimation and initialization of quantum network via continuous measurement on single node"
Yuzuru Kato, Naoki Yamamoto, The 52nd IEEE Conference on Decision and Control, Firenze, Italy, December, 2013. [Proceeding]
"Estimation of quantum network via continuous measurement on single node"
Yuzuru Kato, Naoki Yamamoto, The 12th Asia Pacific Physics Conference, Chiba, Japan, July, 2013 [P]. [Proceeding]

Seminars and Talks

Quantum synchronization - phase model based analysis and control- the 62nd IEEE Conference on Decision and Control, workshop:Systems Theory of Ensembles: Fundamentals, Learning, and Applications, Marina bay sands, Singapore, 12/2023
Semiclassical phase reduction theory for quantum synchronization, CQS brown bag meeting at Center for Quantum Sensors, Washington University in St. Louis, USA, 11/2019