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Perturbation model for computing optical fiber birefringence from a two-dimensional refractive-index profile
Optics Letters
|October 29, 2009
Summary
A new vector perturbation model accurately computes optical fiber birefringence. This method simplifies calculations, requiring only first-order analysis for arbitrary two-dimensional index profiles.
Area of Science:
- Optics and Photonics
- Materials Science
Background:
- Optical fiber birefringence is crucial for many applications.
- Existing scalar perturbation methods have limitations.
Purpose of the Study:
- Develop a vector perturbation model for computing optical fiber birefringence.
- Enable analysis for arbitrary two-dimensional index profiles.
Main Methods:
- Solved the vector wave equation for unperturbed vector fields.
- Utilized these fields as a basis for degenerate perturbation analysis.
Main Results:
- First-order perturbation analysis is sufficient for birefringence computation.
- Demonstrated the model's applicability to various perturbations.
Conclusions:
- The vector perturbation model offers a simplified and accurate approach to calculating optical fiber birefringence.
- This method overcomes limitations of scalar perturbation theories.
