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Dispersion-tailored active-fiber solitons.
Optics Letters
|November 3, 2009
Summary
Tailoring fiber dispersion allows optical solitons to propagate without emitting dispersive waves in nonuniform gain amplifiers. This method is applied to bidirectionally pumped amplifiers, considering nonlinear and dispersive effects for short solitons.
Area of Science:
- Nonlinear optics
- Fiber optics
- Wave propagation
Background:
- Optical solitons are fundamental in nonlinear fiber optics.
- Controlling soliton behavior, especially preventing dispersive wave emission, is crucial for applications.
- Nonuniform gain profiles in fiber amplifiers present unique challenges for soliton stability.
Purpose of the Study:
- To analytically demonstrate how tailored fiber dispersion can stabilize optical solitons.
- To investigate the prevention of dispersive wave emission in distributed-gain fiber amplifiers.
- To apply the findings to bidirectionally pumped fiber amplifiers and analyze higher-order effects.
Main Methods:
- Analytical modeling of optical soliton propagation.
- Dispersion engineering in a nonuniform gain fiber amplifier.
- Application to bidirectionally pumped fiber amplifier configurations.
Main Results:
- Achieved unperturbed propagation of optical solitons.
- Successfully prevented the emission of dispersive waves.
- Demonstrated the effectiveness of tailored dispersion in nonuniform gain environments.
Conclusions:
- Tailored fiber dispersion is a viable method for controlling optical soliton dynamics.
- The findings are significant for designing stable soliton-based fiber amplifiers.
- Higher-order effects are important for short solitons in these systems.
