24 January 2006 Design of dispersion gradual changing photonic crystal fibers with tapered high-index core
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Proceedings Volume 6029, ICO20: Materials and Nanostructures; 60291O (2006) https://doi.org/10.1117/12.667824
Event: ICO20:Optical Devices and Instruments, 2005, Changchun, China
A model of photonic crystal fiber (PCF) with tapered high-index core by GeO2 doped in silica glasses is supposed. Based on finite different approximation of the semi-vector helm-holtz equation, the character of dispersion and modal field areas about this kind of PCF are investigated. Results demonstrate that dispersion parameter can change gradually in positive dispersion region or negative dispersion region, even can change from positive to negative dispersion region when the air hole and pitch are fixed, only the core radius of the PCF is tapered. The kind of PCF is designed for special dispersion-related applications. Especially, it can offer dispersion self-compensation in some optical devices.
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Shuqin Guo, Shuqin Guo, Guangxin Zhu, Guangxin Zhu, Zichun Le, Zichun Le, } "Design of dispersion gradual changing photonic crystal fibers with tapered high-index core", Proc. SPIE 6029, ICO20: Materials and Nanostructures, 60291O (24 January 2006); doi: 10.1117/12.667824; https://doi.org/10.1117/12.667824


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