A novel active TE-TM mode converter in a poled electrooptic polymer waveguide is demonstrated. The mode converter utilizes a 45/spl deg/-off poling configuration, which can be obtained by arranging upper- and lower-stripe poling electrodes with a proper lateral displacement. The mode-conversion properties and electrooptic effect are demonstrated by using a vector-beam propagation method in a buried channel-type waveguide. Applications to integrated polymer-waveguide devices are also suggested.
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Hwang et al. (1996) studied this question.
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