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Bent waveguide with a high index reflector on LiNbO3 |
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| Authors: | Lu Ruei-Chang Liao Yu-Pin Wang Way-Seen |
| Affiliation: | (1) Department of Electrical Engineering, National Taiwan University, Taipei, 10617, Taiwan, ROC;(2) Department of Electronic Engineering, Chien Hsien Institute of Technology and Commerce, Chung-li, Taoyuan, 32020, Taiwan, ROC |
| Abstract: | An abrupt bend structure with a corner reflector on LiNbO3 is proposed. In the proposed structure, a region whose refractive index is higher than that of the substrate is placed at the corner of the bend. The interface between the substrate and the high index region is used as a reflector for the guided wave. The calculated normalized transmission power is about 94% even when the bend angle is 10 . |
| Keywords: | high index reflector LiNbO3 radiation loss waveguide bends |
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