Giant Second-Harmonic Generation in Cantor-like Metamaterial Photonic Superlattices

被引：4

作者：

Reyes Gomez, Faustino ^{[1
]}

Porras-Montenegro, Nelson ^{[1
]}

Oliveira, Osvaldo N., Jr. ^{[2
]}

Ricardo Mejia-Salazar, J. ^{[3
]}

机构：

[1] Valle Univ, Dept Phys, Cali 25360, Colombia

[2] Univ Sao Paulo, Sao Carlos Inst Phys, CP 369, BR-13560970 Sao Carlos, SP, Brazil

[3] Natl Inst Telecommun Inatel, BR-37540000 Santa Rita Do Sapucai, MG, Brazil

来源：

ACS OMEGA | 2018年 / 3卷 / 12期

基金：

巴西圣保罗研究基金会;

关键词：

FIBONACCI OPTICAL SUPERLATTICE; CRYSTALS; ENHANCEMENT;

D O I：

10.1021/acsomega.8b02837

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We present a nonlinear transfer matrix method for studying the second-harmonic generation (SHG) in nonperiodic metamaterial photonic superlattices. A large enhancement of up to 5 orders of magnitude in SHG efficiency was observed for superlattices made with a Cantor-like quasiperiodic assembly of a nonlinear material and a metamaterial. The enhancement was found to depend much more on the electric field amplitude along the structure because of self-similarity effects than on the amount of nonlinear material, which opens the way to design superlattices for tailored applications in broad-band tunable lasers.

引用

页码：17922 / 17927

页数：6

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