Mode resolved bend loss in few-mode optical fibers

被引：88

作者：

Schulze, Christian ^{[1
]}

Lorenz, Adrian ^{[2
]}

Flamm, Daniel ^{[1
]}

Hartung, Alexander ^{[2
]}

Schroeter, Siegmund ^{[2
]}

Bartelt, Hartmut ^{[2
]}

Duparre, Michael ^{[1
]}

机构：

[1] Univ Jena, Inst Appl Opt, Abbe Ctr Photon, D-07743 Jena, Germany

[2] Inst Photon Technol, D-07745 Jena, Germany

来源：

OPTICS EXPRESS | 2013年 / 21卷 / 03期

关键词：

LOSS FORMULA; CURVATURE; BEAMS; DISTORTION; OPERATION;

D O I：

10.1364/OE.21.003170

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present a novel approach to directly measure the bend loss of individual modes in few-mode fibers based on the correlation filter technique. This technique benefits from a computer-generated hologram performing a modal decomposition, yielding the optical power of all propagating modes in the bent fiber. Results are compared with rigorous loss simulations and with common loss formulas for step-index fibers revealing high measurement fidelity. To the best of our knowledge, we demonstrate for the first time an experimental loss discrimination between index-degenerated modes. (C) 2013 Optical Society of America

引用

页码：3170 / 3181

页数：12

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