Integrated multistack waveguide polarizer
- 1 January 1998
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Photonics Technology Letters
- Vol. 10 (1) , 93-95
- https://doi.org/10.1109/68.651119
Abstract
Waveguide polarizers based on embedded thin metallic stacks are proposed. Highly efficient TM polarization is obtained for metal thicknesses smaller than the optical skin depth. The optimal single-metal-layer waveguide is found to yield an extinction ratio better than 12.2 dB/mm and a linear loss below 0.075 dB/mm. Experimental confirmation for this structure is also obtained in polymeric waveguides. Polarization efficiencies better than 100 dB/mm with linear losses below 2 dB/mm are calculated for multi-stack waveguides. This high performance is found to hold even if oxidation at metal-core boundaries is considered.Keywords
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