研究目的
Investigating the bifurcation structure and output characteristics asymmetry of a short-cavity semiconductor laser with an intracavity frequency-swept filter.
研究成果
The study reveals a complex bifurcation structure in a short-cavity semiconductor laser with an intracavity frequency-swept filter, explaining the asymmetry in output characteristics for different sweep directions. The findings highlight the importance of understanding dynamical properties for improving laser performance in applications like optical coherence tomography.
研究不足
The study is theoretical and based on numerical simulations, which may not fully capture all physical aspects of real-world laser systems. The model assumes specific conditions such as a slowly varying frequency sweep, which may limit its applicability to other operational regimes.
1：Experimental Design and Method Selection:
The study employs a delay differential equation (DDE) model to analyze the dynamics of a short-cavity semiconductor laser with an intracavity frequency-swept filter. The model includes normalized complex amplitude of the electrical field and time-dependent dimensionless cumulative saturable gain.
2：Sample Selection and Data Sources:
The analysis is based on numerical simulations and bifurcation analysis of the DDE model.
3：List of Experimental Equipment and Materials:
The study does not specify physical equipment or materials as it is a theoretical analysis.
4：Experimental Procedures and Operational Workflow:
The research involves numerical integration of the model equations and bifurcation analysis using a numerical continuation technique.
5：Data Analysis Methods:
The analysis includes identifying bifurcation points, stability analysis of steady-state and periodic solutions, and comparison of dynamical regimes for different sweep directions.
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