2021
DOI: 10.1209/0295-5075/134/30005
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Dynamics of a ring of three unidirectionally coupled Duffing oscillators with time-dependent damping

Abstract: We study dynamics of a ring of three unidirectionally coupled double-well Duffing oscillators for three different values of the damping coefficient: fixed, proportional to time, and inversely proportional to time. The system dynamics in all cases are analyzed using time series, Fourier and Hilbert transforms, Poincaré sections, bifurcation diagrams, and Lyapunov exponents for various coupling strengths and damping coefficients. In the first case, we observe a wellknown route from a stable steady state to hyper… Show more

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Cited by 18 publications
(9 citation statements)
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“…To this aim, we analyze the system behavior using time series, bifurcation diagrams, Poincaré sections, Fourier spectra, and Lyapunov exponents. We will show that although the dynamics of this ring is similar to other coupled oscillators [55], it exhibits particular features inherent to laser systems. This paper is organized as follows.…”
Section: Of 16mentioning
confidence: 77%
See 1 more Smart Citation
“…To this aim, we analyze the system behavior using time series, bifurcation diagrams, Poincaré sections, Fourier spectra, and Lyapunov exponents. We will show that although the dynamics of this ring is similar to other coupled oscillators [55], it exhibits particular features inherent to laser systems. This paper is organized as follows.…”
Section: Of 16mentioning
confidence: 77%
“…In addition, unidirectional coupling is commonly used in electrical systems based on the Chua [50], Lorenz [51,52], and Duffing [53] models where rotating waves where discovered. Transitions from a stable equilibrium through quasiperiodicity to chaos and hyperchaos with respect to the coupling strength were observed in the rings of unidirectionally coupled Lorenz [51,54], Duffing [55], and Rulkov [56] oscillators. The mechanism leading to such transitions was studied in detail in autonomous Duffing oscillators [53,[57][58][59].…”
Section: Of 16mentioning
confidence: 99%
“…Since fiber and semiconductor lasers belong to the same class-B lasers [58], we anticipate observing a similar route to chaos in the ring of coupled EDFLs. Through the application of time series analysis, bifurcation diagrams, Poincaré sections, power spectra, and Lyapunov exponents, we demonstrate that while the dynamics of this ring share similarities with other coupled oscillators [50], it also possesses distinctive characteristics inherent to EDFLs.…”
Section: Introductionmentioning
confidence: 92%
“…Moreover, unidirectional rings were explored in coupled electrical circuits based on Chua [44], Lorenz [45,46], and Duffing [47,48] models where rotating waves were also discovered. Transitions from a stable equilibrium through quasiperiodicity to chaos and hyperchaos with respect to the coupling strength were observed in the rings of unidirectionally coupled Lorenz [45,49], Duffing [50], and Rulkov [51] oscillators.…”
Section: Introductionmentioning
confidence: 99%
“…Recent progress in solid-state microelectronics, molecular biology, and neuroscience has led to the development of neuromorphic devices, integrating artificial and living biological systems for the real-time monitoring and control of neural activity. Breakthroughs in control theory and nonlinear dynamics have driven the evolution of mathematical theories and physical models of neurons as dynamical systems, from individual elements [1][2][3] to complex neural networks [4,5]. Synchronization processes have played a crucial role in encoding and decoding neural dynamics, revealing the importance of self-organization processes in neuronal dynamics [6][7][8][9].…”
Section: Introductionmentioning
confidence: 99%