克尔非线性可饱和增益微结构光纤色散特性的非线性特征模展开分析

5th International Workshop on Laser and Fiber-Optical Networks Modeling, 2003. Proceedings of LFNM 2003. Pub Date : 2003-11-17 DOI:10.1109/LFNM.2003.1246118

A. I. Konukhov, L. Melnikov

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引用次数: 0

摘要

本文研究了一种由光子晶体包层区包围的固体芯组成的微结构光纤。对微结构光纤的非线性特征模进行了分析。非线性本征模的计算允许在一阶上定义强自聚焦和可饱和增益对光纤色散和增益特性的影响。采用拉盖尔-高斯函数集展开模态分布。与基于厄米-高斯函数的场近似方法相比，光子晶体包层的方位角对称性可以减少控制函数的数量。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Analysis of dispersion properties of microstructured fibers with Kerr nonlinearity and with saturable gain by nonlinear eigenmode expansion

In the present paper a microstructured optical fiber composed from a solid core surrounded by a photonic crystal cladding region is considered. The analysis of nonlinear eigenmodes of the microstructured fiber is presented. The calculation of the nonlinear eigenmodes allows in the first order to define effect of strong self-focusing and saturable gain to dispersion and gain properties of the fibre. For the expansion of the modal profiles on the set of Laguerre-Gaussian functions was used. The properties of azimuthal symmetry of the photonic crystal cladding allow to reduce the number of governed functions in comparison with the method based on the field approximation by Hermite-Gaussian functions.

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5th International Workshop on Laser and Fiber-Optical Networks Modeling, 2003. Proceedings of LFNM 2003.

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