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Proceedings Paper

Design of highly nonlinear photonic crystal fibers with flattened dispersion over S+C+L wavelength bands
Author(s): Hong Fang; Shuqin Lou; Tieying Guo; Lei Yao; Honglei Li; Shuisheng Jian
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Paper Abstract

Highly nonlinear fibers with nearly zero flattened dispersion over a wide band range has very wide applications in future high-capacity, all-optical networks. Because of its flexibility of structure design and much larger index contrast between the core and effective cladding than the conventional fibers, photonic crystal fibers (PCFs) are becoming to be an attractive candidate to form this kind of highly nonlinear fibers. Based on quantitative analysis on the effect of the difference of hole-sizes between the first ring and the other's, and the effect of Ge-doped concentration in the core region on the PCF's dispersion curve, a new way to design PCF with high nonlinear coefficient and nearly zero flattened dispersion is proposed. Based on this, a PCF is designed, which has dispersion values between ±0.8ps/nm/km over S+C+L wavelength bands, and the dispersion slope of 0.005ps/nm2/km, nonlinear coefficient of 46.6W-1km-1 at 1.55μm.

Paper Details

Date Published: 21 November 2007
PDF: 7 pages
Proc. SPIE 6781, Passive Components and Fiber-based Devices IV, 67810P (21 November 2007); doi: 10.1117/12.741761
Show Author Affiliations
Hong Fang, Beijing Jiaotong Univ. (China)
Shuqin Lou, Beijing Jiaotong Univ. (China)
Tieying Guo, Beijing Jiaotong Univ. (China)
Lei Yao, Beijing Jiaotong Univ. (China)
Honglei Li, Beijing Jiaotong Univ. (China)
Shuisheng Jian, Beijing Jiaotong Univ. (China)

Published in SPIE Proceedings Vol. 6781:
Passive Components and Fiber-based Devices IV
Ming-Jun Li; Jianping Chen; Satoki Kawanishi; Ian H. White, Editor(s)

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