Second-harmonic generation of narrow beams in subdiffractive photonic crystals

被引：18
|
作者：
Nistor, C. [1 ]
Cojocaru, C. [1 ]
Loiko, Yu. [2 ]
Trull, J. [1 ]
Herrero, R. [1 ]
Staliunas, K. [1 ,3 ]
机构：
[1] Univ Politecn Cataluna, Dept Fis & Engn Nucl, E-08222 Terrassa Barcelona, Spain
[2] Natl Acad Sci Belarus, BI Stepanov Phys Inst, Minsk 220072, BELARUS
[3] ICREA, Barcelona, Spain
来源：
PHYSICAL REVIEW A | 2008年 / 78卷 / 05期
关键词：
D O I：
10.1103/PhysRevA.78.053818
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We show that extremely narrow beams (of the width of few wavelengths) can be used for second-harmonic generation in quadratic-nonlinear photonic crystals, tuned to the subdiffractive (self-collimating) regime simultaneously for both fundamental and second-harmonic waves. We prove second-harmonic generation numerically by means of finite-difference time-domain numerical integration.
引用
收藏
页数：4
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