Design of practical dispersion compensation photonic crystal fiber

被引：0

作者：

Li, Honglei ^{[1
]}

Lou, Shuqin ^{[1
]}

Guo, Tieying ^{[1
]}

Chen, Weiguo ^{[1
]}

Wang, Liwen ^{[1
]}

Jian, Shuisheng ^{[1
]}

机构：

[1] Institute of Lightwave Technology, Beijing Jiaotong University

来源：

Guangxue Xuebao/Acta Optica Sinica | 2009年 / 29卷 / SUPPL. 2期

关键词：

Dispersion compensation; Fiber optics; Finite element method; Fluorine doped ring core; Photonic crystal fiber;

D O I：

10.3788/AOS200929s2.0125

中图分类号：

学科分类号：

摘要：

By using full vector finite element method, a novel practicable dispersion compensation photonic crystal fiber (DCPCF) is proposed based on the construction features and principle of traditional concentric dual-core doped silica fibers. The DCPCF structure is composed of lower refractive index outer ring core and pure silica inner core for reducing the doping-procedure-induced added losses. The air holes have the same diameter to simplify the fabrication, and the hole-pitch adopts as large as 7.5 μm to pursue the model field area matching with traditional single mode fibers (SMFs). By adjusting hole-pitch, hole diameter, quantities and sizes of fluorine doped region, the dispersion properties of DCPCF can be designed freely. After a series of calculation, when Λ=7.5 μm, d/Λ=0.44 dF/Λ=0.45 and nF=1.436788, the dispersion value is about -1240 ps/(nm · km) and inner core mode field area is 74.7 μm2 around the wavelength of 1550 nm.

引用

页码：125 / 128

页数：3

共 16 条

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