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Dissipative dispersion-managed solitons in mode-locked lasers
Brandon G Bale1, Sonia Boscolo, Sergei K Turitsyn
1Photonics Research Group, School of Engineering and Applied Science, Aston University, Birmingham B4 7ET, UK. b.bale@aston.ac.uk
Optics Letters
|November 3, 2009
Summary
We advanced dispersion-managed soliton theory for dissipative systems, like mode-locked fiber lasers. This work reveals stable, high-energy pulse generation in these lasers through new insights into pulse evolution.
Area of Science:
- Nonlinear optics
- Laser physics
Background:
- Dispersion-managed solitons are crucial for optical communications.
- Existing theories often do not account for dissipative effects in laser systems.
- Mode-locked fiber lasers are key for generating ultrashort optical pulses.
Purpose of the Study:
- To extend the theory of dispersion-managed solitons to dissipative systems.
- To investigate pulse evolution dynamics in mode-locked fiber lasers.
- To identify conditions for stable, high-energy pulse generation.
Main Methods:
- Theoretical extension of dispersion-managed soliton theory.
- Analysis of dissipative systems, specifically mode-locked fiber lasers.
- Development of a reduced model for intramap pulse evolution.
Main Results:
- Dissipative structures enable stable, high-energy pulse generation at high map strengths.
- Two distinct intramap pulse evolution regimes were identified based on net cavity dispersion.
- Semianalytical solutions were derived from the reduced model.
Conclusions:
- The extended theory provides a framework for understanding solitons in dissipative lasers.
- The findings facilitate the design of fiber lasers for stable, high-energy ultrashort pulse generation.
- The reduced model and solutions offer practical tools for laser analysis and optimization.
