Modal cutoff in microstructured optical

被引：159
作者：
Kuhlmey, BT [1 ]
McPhedran, RC
de Sterke, CM
机构：
[1] Univ Sydney, Sch Phys, Sydney, NSW 2006, Australia
[2] Fac Sci & Tech St Jerome, CNRS, UMR 6133, Inst Fresnel, F-13397 Marseille 20, France
来源：
OPTICS LETTERS | 2002年 / 27卷 / 19期
关键词：
D O I：
10.1364/OL.27.001684
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We analyze the nature of modal cutoff in microstructured optical fibers of finite cross section. In doing so, we reconcile the striking endlessly single-mode behavior with the fact that in such fibers all propagation constants are complex. We show that the second mode undergoes a strong change of behavior that is reflected in the losses, effective area, and multipolar structure. We establish the parameter subspace in which the fibers are single mode and an accurate value for the limit of the endlessly single-mode regime. (C) 2002 Optical Society of America.
引用
收藏
页码：1684 / 1686
页数：3
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