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14 November 2007 Fabrication of waveguide with ferroelectric-domain structure on electro-optical crystal slice
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Proceedings Volume 6722, 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies; 67220X (2007) https://doi.org/10.1117/12.782910
Event: 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes, 2007, Chengdu, China
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.
© (2007) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Guoxin Cui, Yudong Li, Jing Chen, Hongbing Liu, Jingjun Xu, and Qian Sun "Fabrication of waveguide with ferroelectric-domain structure on electro-optical crystal slice", Proc. SPIE 6722, 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, 67220X (14 November 2007); https://doi.org/10.1117/12.782910
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