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Proceedings Paper

Fabrication of waveguide with ferroelectric-domain structure on electro-optical crystal slice
Author(s): Guoxin Cui; Yudong Li; Jing Chen; Hongbing Liu; Jingjun Xu; Qian Sun
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Paper Abstract

Waveguide is the basic component of integrated optical device. In this work, we introduced a new method to realize switchable waveguide on electric-optical crystals slice. We wrote ferroelectric-domain-inversed pattern in LiNbO3 crystal slice. When we added external electric field on the slice, electric-optical effect operates and the refractive index difference appears in domain-inversed part and its surroundings. Under appropriate configuration, incident beam could be guided along the domain structure. We produced successfully waveguides with width from 10 to 100 μm. Experimental results show that the capability of the waveguides inside LiNbO3 crystal slice could be adjusted by changing the external electric field on the crystal slice. Compared with other production method of waveguide such as ion diffusion, our method is more flexible and more suitable to produce design-free waveguide devices.

Paper Details

Date Published: 14 November 2007
PDF: 4 pages
Proc. SPIE 6722, 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, 67220X (14 November 2007); doi: 10.1117/12.782910
Show Author Affiliations
Guoxin Cui, Nankai Univ. (China)
Yudong Li, Nankai Univ. (China)
Jing Chen, Nankai Univ. (China)
Hongbing Liu, Nankai Univ. (China)
Jingjun Xu, Nankai Univ. (China)
Qian Sun, Nankai Univ. (China)


Published in SPIE Proceedings Vol. 6722:
3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies

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