Finite-element modal analysis of multistep-index large-core multimode fibers

被引：3

作者：

Eguchi, Masashi ^{[1
]}

机构：

[1] Chitose Inst Sci & Technol, Dept Photon Syst Technol, Chitose 0668655, Japan

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2010年 / 27卷 / 07期

关键词：

POLYMER OPTICAL-FIBER; PROFILE; DISPERSION;

D O I：

10.1364/JOSAB.27.001464

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A multistep-index (MSI) plastic optical fiber (POF) has been intensively studied as an alternative to high-bandwidth graded-index (GI) POFs during the past decade. The propagation modes in MSI POFs are more complicated than those of GI POFs. We obtain all the propagation modes in MSI large-core highly multimode fibers with a core diameter of 500 mu m by the use of a finite-element method and demonstrate that many modes in MSI fibers have anomalous behavior which cannot be observed in power-law profile fibers. Our numerical results elucidate detailed transmission properties of MSI large-core highly multimode fibers, including the effective index, group delay, mode field, root-mean-square pulse width, and bandwidth. (C) 2010 Optical Society of America

引用

页码：1464 / 1474

页数：11

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