A new method of modeling cladding band structure of air-guiding photonic crystal fibers |
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| Authors: | Qin-Ling Zhou Xing-Qiang Lu Dan-Ping Chen Cong-Shan Zhu Jian-Rong Qiu |
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| Institution: | 1. Photon Craft Project, Shanghai Institute of Optics and Fine Mechanics, Chinese Academic of Sciences, Shanghai 201800, China;2. National Laboratory on High Power Laser and Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China;1. Chinese Academy of Sciences (CAS) and Shanghai Institute of Optics and Fine Mechanics, Shanghai, China;2. J.J. Thomson Physical Laboratory, University of Reading, Reading, UK;3. Shanghai Institute of Optics and Fine Mechanics, Shanghai, China |
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| Abstract: | Cladding band structure of air-guiding photonic crystal fibers with high air-filling fraction is calculated in terms of fiber shape variation. The fundamental photonic band gap dependence on structure parameters, air-filling fraction and spacing, is also investigated. The numerical results show that the band gap edges shift toward longer wavelength as the air-filling fraction is increased, whereas the relative band gap width increases linearly. For a fixed air-filling fraction, the band gap edges with respect to spacing keep constant. With this method, the simulation results agree well with the reported data. |
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