Higher-order mode investigations by intermodal interference in a dual-core photonic crystal fiber

被引：4

作者：

Koys, M. ^{[1
,2
]}

Bugar, I. ^{[2
]}

Lorenc, D. ^{[2
]}

Buczynski, R. ^{[3
]}

Pysz, D. ^{[4
]}

Uherek, F. ^{[2
]}

机构：

[1] Comenius Univ, Fac Math Phys & Informat, Dept Expt Phys, Bratislava 84248, Slovakia

[2] Ctr Int Laser, Bratislava 81219, Slovakia

[3] Warsaw Univ, Fac Phys, PL-02093 Warsaw, Poland

[4] Inst Elect Mat Technol, PL-01919 Warsaw, Poland

来源：

LASER PHYSICS | 2008年 / 18卷 / 10期

关键词：

D O I：

10.1134/S1054660X08100083

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

This article presents an investigation of the linear optical properties of a dual-core photonic crystal fiber with a square lattice made of a multicomponent glass in a second communication window. An experimental method based on intermodal interference was used to determine the effective refractive indices of higher-order modes, with knowledge of the fundamental mode dispersion. The effective refractive indices were also determined by an FDTD-based simulation and the obtained values provided a good agreement in comparison to the experimental results. The obtained results help to clarify the nonlinear spectral transformation processes observed in the same fiber at propagation in the higher-order modes.

引用

页码：1153 / 1158

页数：6

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