Unusual bound modes in asymmetrically graded planar waveguides

被引：0
|
作者：
DeNicola, S
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来源：
APPLIED PHYSICS B-LASERS AND OPTICS | 1997年 / 64卷 / 04期
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中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We show analytically that for certain asymmetrically graded-index planar waveguides at the cutoff point where the effective refractive index of a mode coincides with the index of the substrate, there exist unusual bound modes. We have calculated the refractive-index profile that makes these modes possible.
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页码：485 / 486
页数：2
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