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Polarization dependent loss in polymeric rib channel waveguide
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- Authors
- Yoo Hong Min, Myung-Hyun Lee, Jung Yun Do
- Issue Date
- 2000-11
- Citation
- IEEE Photonics Technology Letters, v.12, no.11, pp.1483-1485
- ISSN
- 1041-1135
- Publisher
- IEEE
- Language
- English
- Type
- Journal Article
- Abstract
- Large polarization dependent loss (PDL) as high as 15 dB was observed in the rib-type channel waveguide fabricated using a birefringent polymer. The PDL mechanism was explained by the mode-mode coupling between the TM mode of a rib and the TE mode of a slab waveguides. This TM-TE mode conversion is due to nonuniform off-diagonal component of the dielectric susceptibility tensor which is generated by a thermal stress during curing process.
- KSP Keywords
- Dielectric susceptibility, Polarization dependent loss, Slab waveguide, Susceptibility tensor, TE Mode, TM mode, channel waveguide, curing process, mode conversion, mode coupling, thermal stress