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Proceedings Paper

Design of dispersion gradual changing photonic crystal fibers with tapered high-index core
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Paper Abstract

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.

Paper Details

Date Published: 24 January 2006
PDF: 6 pages
Proc. SPIE 6029, ICO20: Materials and Nanostructures, 60291O (24 January 2006); doi: 10.1117/12.667824
Show Author Affiliations
Shuqin Guo, Zhejiang Univ. of Technology (China)
Guangxin Zhu, Zhejiang Univ. of Technology (China)
Zichun Le, Zhejiang Univ. of Technology (China)

Published in SPIE Proceedings Vol. 6029:
ICO20: Materials and Nanostructures
Wei Lu; Jeff Young, Editor(s)

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