1. Design and fabrication of lithium niobate based single mode Y-branch APE waveguide
- Author
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Bao-lu Tian, Chen Huaixi, Dismas K. Choge, Yi-Bin Xu, Wan-Guo Liang, and Li Guangwei
- Subjects
Materials science ,Fabrication ,business.industry ,Lithium niobate ,Single-mode optical fiber ,Physics::Optics ,Waveguide (optics) ,Wavelength ,chemistry.chemical_compound ,chemistry ,Optoelectronics ,Crystal optics ,Quantum information ,Photonics ,business - Abstract
In this paper, we report on a minized length, compact, low loss Y-branch waveguide based on lithium niobate optical crystal. The Y-branch waveguide device was fabricated using annealed proton exchange technique to achieve single mode guiding at 1550 nm wavelength. The simplified Y-branch structure has a total length of 18.7 mm and calculated bending loss of 0.5 dB has been realized with a splitting ratio found to be 1.25 at 1550 nm wavelength. Such easy to fabricate waveguide could find applications in future photonic communication networks, sensing, and quantum information technology.
- Published
- 2017