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Full-vectorial finite-difference analysis of microstructured optical fibers
Optics Express
|May 20, 2009
Summary
This study introduces a novel finite-difference mode solver for analyzing microstructured optical fibers. The method accurately calculates modal characteristics, showing excellent agreement with existing techniques for fiber optics.
Area of Science:
- Optics and Photonics
- Computational Electromagnetics
- Materials Science
Background:
- Optical fibers are crucial for modern communication.
- Microstructured optical fibers offer unique light-guiding properties.
- Accurate modal analysis is essential for designing advanced optical fibers.
Purpose of the Study:
- To present a full-vectorial finite-difference analysis method for optical fibers.
- To introduce a new mode solver utilizing Yee's 2-D mesh and index averaging.
- To validate the solver's accuracy by comparing results with existing methods.
Main Methods:
- Full-vectorial finite-difference analysis.
- Development of a novel mode solver based on Yee's 2-D mesh.
- Application of an index averaging technique for accurate calculations.
- Modal characteristic computation for conventional and microstructured fibers.
Main Results:
- The new mode solver successfully calculates modal characteristics.
- The analysis covers both conventional and microstructured optical fibers.
- Results demonstrate excellent agreement with previous finite-difference solvers.
- Validation against other numerical methods confirms the solver's accuracy.
Conclusions:
- The presented finite-difference method is effective for analyzing optical fibers.
- The novel mode solver provides accurate modal characteristics.
- This technique is suitable for both standard and advanced microstructured fiber designs.
