Intermodal interferences in a multimode highly asymmetric two-core microstructured optical fiber

被引:1
|
作者
Apetrei, Alin Marian [1 ]
Moison, Jean-Marie [2 ]
Levenson, Juan Ariel [2 ]
Melin, Gilles [3 ]
Fleureau, Anne [3 ]
Lempereur, Simon [3 ]
机构
[1] Alexandru Ioan Cuza Univ, Dept Phys, Iasi 700506, Romania
[2] LPN CNRS, Lab Photon & Nanostruct, F-91460 Marcoussis, France
[3] Draka, F-91460 Marcoussis, France
关键词
PHOTONIC-CRYSTAL FIBER; TREFOIL CHANNELS; ARRAY;
D O I
10.1364/JOSAB.27.001735
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We investigate intermodal beatings in a multimode highly asymmetric two-core microstructured optical fiber. The modal interference theory plus finite-element calculations are used to define the expected spectral signature-beat length versus propagation length-of inter-and intra-core beating. The corresponding experimental data are in excellent agreement with these predictions over 2 orders of magnitude of the propagation length. The analysis of a similar single-core fiber confirms the identification of the beatings. Therefore, a simple framework can provide an adequate picture of propagation in complex multicore microstructured fibers. (C) 2010 Optical Society of America
引用
收藏
页码:1735 / 1740
页数:6
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