Tailoring Cerenkov second-harmonic generation in bulk nonlinear photonic crystal

被引：22

作者：

Sheng, Yan ^{[1
]}

Roppo, Vito ^{[2
]}

Kong, Qian ^{[1
,3
]}

Kalinowski, Ksawery ^{[1
]}

Wang, Qi ^{[3
]}

Cojocaru, Crina ^{[2
]}

Trull, Jose ^{[2
]}

Krolikowski, Wieslaw ^{[1
]}

机构：

[1] Australian Natl Univ, Res Sch Phys & Engn, Laser Phys Ctr, Canberra, ACT 0200, Australia

[2] Univ Politecn Cataluna, Dept Fis & Engn Nucl, Barcelona 08222, Spain

[3] Shanghai Univ, Dept Phys, Shanghai 200444, Peoples R China

来源：

OPTICS LETTERS | 2011年 / 36卷 / 13期

基金：

澳大利亚研究理事会;

关键词：

D O I：

10.1364/OL.36.002593

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We investigate theoretically the Cerenkov-type second-harmonic generation in two-dimensional bulk nonlinear photonic crystal with longitudinal modulation of the chi((2)) nonlinearity. We show that in this scheme the Cerenkov radiation can be achieved simultaneously at multiple directions with comparable intensities. The angles of emission are controllable by the spatial modulation of the nonlinearity. We propose a design of the periodically poled domain pattern, which maximizes the efficiency of the second-harmonic emission. (C) 2011 Optical Society of America

引用

页码：2593 / 2595

页数：3

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