Multiorder nonlinear diffraction in frequency doubling processes

被引：99

作者：

Saltiel, Solomon M. ^{[1
,2
,3
]}

Neshev, Dragomir N. ^{[1
,2
]}

Krolikowski, Wieslaw ^{[1
,2
]}

Arie, Ady ^{[4
]}

Bang, Ole ^{[5
]}

Kivshar, Yuri S. ^{[1
,2
]}

机构：

[1] Australian Natl Univ, Res Sch Phys & Engn, Ctr Ultrahigh Bandwidth Devices Opt Syst, Nonlinear Phys Ctr, Canberra, ACT 0200, Australia

[2] Australian Natl Univ, Res Sch Phys & Engn, Ctr Ultrahigh Bandwidth Devices Opt Syst, Laser Phys Ctr, Canberra, ACT 0200, Australia

[3] Univ Sofia, Fac Phys, Dept Quantum Elect, BG-1164 Sofia, Bulgaria

[4] Tel Aviv Univ, Sch Elect Engn, IL-69978 Tel Aviv, Israel

[5] Tech Univ Denmark, DTU Foton, Dept Photon Engn, DK-2800 Lyngby, Denmark

来源：

OPTICS LETTERS | 2009年 / 34卷 / 06期

基金：

澳大利亚研究理事会;

关键词：

2ND-HARMONIC GENERATION; DOMAIN-WALLS; SCATTERING;

D O I：

10.1364/OL.34.000848

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We analyze experimentally light scattering from chi((2)) nonlinear gratings and observe two types of second-harmonic frequency-scattering processes. The first process is identified as Raman-Nath type nonlinear diffraction that is explained by applying only transverse phase-matching conditions. The angular position of this type of diffraction is defined by the ratio of the second-harmonic wavelength and the grating period. In contrast, the second type of nonlinear scattering process is explained by the longitudinal phase matching only, being insensitive to the nonlinear grating period. (C) 2009 Optical Society of America

引用

页码：848 / 850

页数：3

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