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Simple method to adjust polarization dependence in polymeric arrayed waveguide gratings
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- Authors
- Jong-Moo Lee, S. Park, Myung-Hyun Lee, Joon Tae Ahn, Jung Jin Ju, Kyong Hon Kim
- Issue Date
- 2003-07
- Citation
- IEEE Photonics Technology Letters, v.15, no.7, pp.927-929
- ISSN
- 1041-1135
- Publisher
- IEEE
- Language
- English
- Type
- Journal Article
- Abstract
- Polarization-dependent wavelength shift of a birefringent-polymeric arrayed waveguide grating (AWG) is found to be adjusted simply by controlling the thickness of the first upper cladding layer while forming the upper cladding by several sublayers. Polarization-dependent wavelength shift is reduced to 0.08 from 4.24 nm in a birefringent-polymeric 16 /spl times/ 16 channel AWG on a silicon substrate by this method.