1 June 2005 Birefringence of UV-written channel waveguides
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Optical Engineering, 44(6), 064601 (2005). doi:10.1117/1.1923387
The combination of the effective index method and the transfer matrix method is adopted to calculate the indices of quasi-TE and quasi-TM modes in a UV-written channel waveguide, and the difference between the indices is used to characterize its birefringence. The dimensions, the ratio of width to thickness, the original index of the core layer, the index of the cladding, and the index profile are all taken into account. The simulation results indicate that the birefringence decreases with increasing dimensions, ratio of width to thickness, and indices of the cladding; on the contrary, increases of the original index of the core layer and of the vertical index gradient intensified the birefringence.
Junlei Xia, Yuanda Wu, Dingshan Gao, Junming An, Jian Li, Xiongwei Hu, "Birefringence of UV-written channel waveguides," Optical Engineering 44(6), 064601 (1 June 2005). https://doi.org/10.1117/1.1923387

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