Research on Cherenkov second-harmonic generation in periodically poled lithium niobate by femtosecond pulses

被引：29
|
作者：
Deng, Xuewei [1 ]
Ren, Huaijin [1 ]
Lao, Huiying [1 ]
Chen, Xianfeng [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Dept Phys, State Key Lab Fiber Opt Local Area Commun, Networks & Adv Opt Commun Syst, Shanghai 200240, Peoples R China
来源：
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2010年 / 27卷 / 07期
基金：
中国国家自然科学基金;
关键词：
NONLINEAR DIFFRACTION; HARMONIC-GENERATION; DOMAIN-WALLS; MEDIA;
D O I：
10.1364/JOSAB.27.001475
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We systematically study the characteristics of the Cherenkov second-harmonic generation in periodically poled lithium niobate by femtosecond pulses. A relatively high conversion efficiency is obtained and what we believe to be a new different explanation is proposed that nonlinearities in the domain wall region have been enhanced significantly, which is a new feature of the domain wall that has not been studied previously. (C) 2010 Optical Society of America
引用
收藏
页码：1475 / 1480
页数：6
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