Modal decomposition technique for multimode fibers

被引：52

作者：

Duc Minh Nguyen ^{[1
]}

Blin, Stephane ^{[2
]}

Thanh Nam Nguyen ^{[1
]}

Le, Sy Dat ^{[1
]}

Provino, Laurent ^{[3
]}

Thual, Monique ^{[1
]}

Chartier, Thierry ^{[1
]}

机构：

[1] Univ Europeenne Bretagne, France CNRS Foton UMR6082, F-22300 Lannion, France

[2] Univ Montpellier 2, Inst Elect Sud, UMR CNRS 5214, F-34095 Montpellier 5, France

[3] Perfos, F-22300 Lannion, France

来源：

APPLIED OPTICS | 2012年 / 51卷 / 04期

关键词：

AREA FIBERS;

D O I：

10.1364/AO.51.000450

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We propose a new solution for modal decomposition in multimode fibers, based on a spectral and spatial imaging technique. The appearance of spurious modes in the spectral and spatial processing of the images at the output of the fiber under test when it has more than two modes is demonstrated theoretically. The new method, which allows us to identify spurious modes, is more accurate, simpler, and faster than previously reported methods. For demonstration, measurements in a standard step-index multimode fiber and a small-core microstructured fiber are carried out successfully. (C) 2012 Optical Society of America

引用

页码：450 / 456

页数：7

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