Optimization of polishing parameters for optical coupler based on side-polished photonic crystal fiber |
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| Authors: | Weiheng Zhu,Shun Long,Zhijian Gan,Yunhan Luo,Heyuan Guan,Jieyuan Tang,Huihui Lu,Jianhui Yu,Jun Zhang,Yongchun Zhong,Zhe Chen |
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| Affiliation: | 1.Department of Computer Science,Jinan University,Guangzhou,China;2.Key Laboratory of Optoelectronic Information and Sensing Technologies of Guangdong Higher Education Institutes,Jinan University,Guangzhou,China;3.Department of Optoelectronic Engineering,Jinan University,Guangzhou,China;4.Guangdong Provincial Key Laboratory of Optical Fiber Sensing and Communications,Jinan University,Guangzhou,China;5.Key Laboratory of Visible Light Communications of Guangzhou,Jinan University,Guangzhou,China |
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| Abstract: | The rapid development in areas such as fiber-optic communication, fiber lasers, and high power transmission has generated an increasing demand for photonic crystal fiber (PCF). However, there is no well-proven approach for PCF coupler fabrication because most approaches proposed introduce defects that are non-negligible in practice. Previously, we have made an attempt by applying side-adhering technique to PCF coupler fabrication. This paper presents our recent effort in establishing a model of side-polished PCF (SPPCF) coupler and tuning various fabrication parameters in search for its desirable characteristics. It is found that the optimal coupling effect is achieved when the residual radius is set 5.7 μm and the polishing angle is set 0°. The optimizations presented in this paper may serve as a foundation for further research and development of SPPCF coupler. |
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