Broad angle phase matching in subdiffractive photonic crystals

被引：3

作者：

Nistor, Cristian ^{[1
]}

Cojocaru, Crina ^{[1
]}

Trull, Jose ^{[1
]}

Staliunas, Kestutis ^{[1
,2
]}

机构：

[1] Univ Politecn Cataluna, Dept Fis & Engn Nucl, E-08222 Terrassa Barcelona, Spain

[2] ICREA, Barcelona, Spain

来源：

OPTICS COMMUNICATIONS | 2010年 / 283卷 / 18期

关键词：

2ND-HARMONIC GENERATION; LIGHT;

D O I：

10.1016/j.optcom.2010.04.103

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We show that photonic crystals made of materials with normal dispersion allow broad angular range phase matching in nonlinear wave mixing processes if tuned to the subdiffractive (or equivalently self-collimated) beam propagation regimes for the frequencies of both interacting waves. This allows efficient parametric mixing of narrow beams. We demonstrate this idea by numerical simulation of the second harmonic generation in two-dimensional photonic crystal in particular nonlinear material (AlGaAs) in planar waveguide geometry. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：3533 / 3535

页数：3

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