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Thin-metal-clad waveguide polarizers: analysis and comparison with experiment
Optics Letters
|September 23, 2009
Summary
We analyzed a thin-metal-film fiber polarizer, finding our model accurately predicts experimental losses for TE and TM modes. This analysis aids in designing fiber polarizers by optimizing parameters like metal type and thickness.
Area of Science:
- Optics and Photonics
- Materials Science
Background:
- In-line fiber polarizers are crucial optical components.
- Thin-metal-film structures are commonly used for polarization control.
Purpose of the Study:
- To analyze a thin-metal-film in-line fiber polarizer.
- To compare theoretical predictions with experimental results for TE and TM mode losses.
Main Methods:
- Theoretical analysis of a thin-metal-film polarizer structure.
- Experimental measurement of transverse electric (TE) and transverse magnetic (TM) mode losses.
Main Results:
- The theoretical analysis closely matches experimentally observed TE and TM mode losses.
- The model demonstrates good predictive capability for polarizer performance.
Conclusions:
- The developed analysis serves as a valuable design tool for fiber polarizers.
- Key design parameters like buffer thickness, metal type, metal thickness, and superstrate refractive index can be optimized using this analysis.
