Linear and nonlinear light propagation at the interface of two homogeneous waveguide arrays

被引：5

作者：

Kanshu, A. ^{[1
]}

Rueter, C. E. ^{[1
]}

Kip, D. ^{[1
]}

Belicev, P. P. ^{[2
]}

Ilic, I. ^{[2
]}

Stepic, M. ^{[2
]}

Shandarov, V. M. ^{[3
]}

机构：

[1] Helmut Schmidt Univ, D-22043 Hamburg, Germany

[2] Vinca Inst Nucl Sci, Belgrade 11001, Serbia

[3] State Univ Control Syst & Radioelect, Tomsk 634050, Russia

来源：

OPTICS EXPRESS | 2011年 / 19卷 / 02期

关键词：

PHOTONIC LATTICES; DISCRETE SOLITONS; LOCALIZED MODES; DIFFRACTION; MEDIA;

D O I：

10.1364/OE.19.001158

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We investigate linear and nonlinear light propagation at the interface of two one-dimensional homogeneous waveguide arrays containing a single defect of different strength. For the linear case and in a limited region of the defect size, we find trapped staggered and unstaggered modes. In the nonlinear case, we study the dependence of power thresholds for discrete soliton formation in different channels as a function of defect strength. All experimental results are confirmed theoretically using an adequate discrete model. (C) 2011 Optical Society of America

引用

页码：1158 / 1167

页数：10

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