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Weak-link synchronization.

Denis Tsygankov¹, Kurt Wiesenfeld

¹Institute for Physical Science and Technology, University of Maryland, College Park, Maryland 20742, USA. dtsygank@umd.edu

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics

|April 12, 2006

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A novel mutual synchronization mechanism in fiber laser arrays offers enhanced robustness against parameter mismatches. This weak-link synchronization, though less powerful, proves more stable than in-phase states in coupled oscillator systems.

Area of Science:

Nonlinear dynamics
Photonics
Complex systems

Background:

Fiber laser arrays are crucial for high-power coherent light generation.
Synchronization in such arrays is essential for optimal performance.
Parameter mismatches typically degrade array performance and stability.

Purpose of the Study:

To investigate a novel mutual synchronization mechanism in fiber laser arrays.
To compare the robustness of different synchronization states against parameter variations.
To explore the general applicability of this mechanism in coupled oscillator systems.

Main Methods:

Numerical modeling of fiber laser arrays.
Analysis of synchronization dynamics under parameter mismatch.

Related Experiment Videos

Investigation of coupled oscillator models with amplitude dynamics.

Main Results:

A weak-link-synchronized state was identified in fiber laser arrays.
This state exhibits superior robustness to parameter mismatch compared to the in-phase state.
Similar dynamical behaviors were observed in a general coupled oscillator system.

Conclusions:

The weak-link synchronization mechanism provides a robust alternative for fiber laser arrays.
Amplitude dynamics play a critical role in the observed synchronization behaviors.
This finding has implications for designing stable and resilient coupled oscillator systems.