Control of light propagation in one-dimensional quasi-periodic nonlinear photonic lattices

被引：6

作者：

Radosavljevic, Ana ^{[1
,2
]}

Gligoric, Goran ^{[2
]}

Maluckov, Aleksandra ^{[2
]}

Stepic, Milutin ^{[2
]}

机构：

[1] Univ Belgrade, Sch Elect Engn, Belgrade 11120, Serbia

[2] Univ Belgrade, Vinca Inst Nucl Sci, P Grp, Belgrade, Serbia

来源：

JOURNAL OF OPTICS | 2014年 / 16卷 / 02期

关键词：

light localization; quasi-periodic photonic lattices; nonlinearity; light propagation control; ANDERSON LOCALIZATION; SOLITONS; WAVES; CHAOS;

D O I：

10.1088/2040-8978/16/2/025201

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We investigate light localization in quasi-periodic nonlinear photonic lattices (PLs) composed of two periodic component lattices of equal lattice potential strength and incommensurate spatial periods. By including the system parameters from the experimentally realizable setup, we confirm that the light localization is a threshold determined phenomenon in a limit of negligible nonlinearity. In addition, we show that self-trapping can affect the localized light in the established setup only in the presence of strong nonlinearity. Guided by these findings we consider the possibility of governing light propagation by proposing a composite lattice system comprising alternating quasi-periodic parts with different potential depths and nonlinearity strengths.

引用

页数：8

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