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Extreme soliton pulsations in dissipative systems
Wonkeun Chang1, Jose M Soto-Crespo2, Peter Vouzas1
1Optical Sciences Group, Research School of Physics and Engineering, The Australian National University, Acton ACT 2601, Australia.
Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
|September 19, 2015
Summary
Researchers discovered a pulsating dissipative soliton regime in a laser model. This regime exhibits significant pulse energy and spectral variations, alongside period doubling and chaotic behaviors.
Area of Science:
- Nonlinear optics
- Laser physics
- Complex systems
Background:
- Dissipative solitons are localized waves in open systems.
- The complex cubic-quintic Ginzburg-Landau equation models various nonlinear phenomena, including lasers.
Purpose of the Study:
- To investigate the dynamics of dissipative solitons in a specific laser model.
- To characterize a strongly pulsating regime of these solitons.
Main Methods:
- Numerical simulations of the complex cubic-quintic Ginzburg-Landau equation.
- Analysis of soliton energy, spectral properties, and dynamical behaviors.
Main Results:
- A strongly pulsating regime of dissipative solitons was identified.
- Pulse energy varied by over two orders of magnitude within pulsation periods.
- Significant spectral variations and period doubling phenomena were observed.
- Chaotic behaviors were found at the boundaries of the pulsating solutions' existence.
Conclusions:
- The complex cubic-quintic Ginzburg-Landau equation supports complex soliton dynamics.
- Pulsating dissipative solitons exhibit rich dynamical behaviors, including chaos.
- These findings contribute to understanding nonlinear light propagation in lasers.
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