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Rotating and Precessing Dissipative-Optical-Topological-3D Solitons
N A Veretenov1, N N Rosanov1,2, S V Fedorov1
1Vavilov State Optical Institute, 199034 Saint Petersburg, Russia and National Research University of Information Technologies, Mechanics and Optics (ITMO University), 197101 Saint Petersburg, Russia.
Physical Review Letters
|November 12, 2016
Summary
Researchers predict novel 3D topological-dissipative-optical localized structures, or vortex solitons. Their stability depends on diffusion coefficients, enabling realization in large lasers with saturable absorption.
Area of Science:
- Nonlinear optics
- Laser physics
- Optical solitons
Background:
- Topological-dissipative-optical localized structures represent complex light patterns.
- Understanding their stability and dynamics is crucial for optical device applications.
Purpose of the Study:
- To predict and study a new class of three-dimensional (3D) solitons.
- To investigate the factors governing the stability and dynamics of these structures.
Main Methods:
- Theoretical prediction and numerical study of optical localized structures.
- Analysis of the role of diffusion coefficients in system dynamics.
- Investigation of saturable amplification and absorption effects.
Main Results:
- Prediction of asymmetric rotating and precessing stable topological-dissipative-optical localized structures.
- Identification of the ratio of diffusion coefficients (frequency dispersion and angular selectivity/dichroism) as a critical factor for stability.
- Demonstration of stability for vortex solitons at overcritical selectivity coefficients.
Conclusions:
- New 3D vortex solitons can be realized in large lasers with saturable absorption.
- The dynamics are governed by the interplay of diffusion, dispersion, and dichroism.
- These findings advance the understanding of complex light structures in nonlinear optical systems.
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