Novel complex modes in asymmetrical nanoscale plasmonic waveguides

被引：3

作者：

Berkovitch, Nikolai ^{[1
]}

Orenstein, Meir ^{[1
]}

Lipson, Stephen G. ^{[2
]}

机构：

[1] Technion Israel Inst Technol, EE Dept, IL-32000 Haifa, Israel

[2] Technion Israel Inst Technol, Dept Phys, IL-32000 Haifa, Israel

来源：

OPTICS EXPRESS | 2008年 / 16卷 / 22期

关键词：

D O I：

10.1364/OE.16.017842

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Highly asymmetrical plasmonic waveguides exhibit guiding even below the expected cut-off dimensions. A new family of discrete complex guided modes of asymmetrical waveguides with losses - which may assist in nano plasmonic guiding, is found by employing the effective index method. These modes having a real effective index lower than the substrate index of refraction can be exhibited also in regular (lossy) photonics. (C) 2008 Optical Society of America

引用

页码：17842 / 17847

页数：6

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