Multiple quasi-phase-matching in nonlinear Raman-Nath diffraction

被引：20
|
作者：
Vyunishev, Andrey M. [1 ,2 ]
Chirkin, Anatoly S. [3 ,4 ]
机构：
[1] LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
[2] Siberian Fed Univ, Krasnoyarsk 660079, Russia
[3] Moscow MV Lomonosov State Univ, Fac Phys, Moscow 119992, Russia
[4] Moscow MV Lomonosov State Univ, Ctr Int Laser, Moscow 119992, Russia
来源：
OPTICS LETTERS | 2015年 / 40卷 / 07期
关键词：
FEMTOSECOND LASER-PULSES; 2ND-HARMONIC GENERATION; PHOTONIC CRYSTAL;
D O I：
10.1364/OL.40.001314
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The method of the superposition of a nonlinearity modulation is employed to design a two-dimensional (2D) nonlinear photonic lattice for efficient multiple quasi-phase-matched second harmonic generation in the process of nonlinear Raman-Nath diffraction (NRND). An analytical solution is proposed to calculate the second harmonic intensity in rectangular 2D lattices. This approach can be useful for the generation of multiple second harmonic beams with the efficiency a few orders of magnitude higher than in the case of nonphase-matched generation via NRND. (C) 2015 Optical Society of America
引用
收藏
页码：1314 / 1317
页数：4
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