Moving media: Second harmonic generation investigation

被引：0
|
作者：
Ghalandari, Mahboubeh [1 ]
机构：
[1] Qom Univ Technol, Fac Sci, Dept Phys, Qom, Iran
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS B | 2016年 / 30卷 / 22期
关键词：
Second harmonic generation; quasi-phase matching; moving susceptibility; electric field; PROPAGATION; DOMAIN;
D O I：
10.1142/S0217979216501381
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Because of the importance of second harmonic generation (SHG) in some nonlinear media, in this paper, we investigated induced SHG in diamond where there is no intrinsic second-order susceptibility, chi((2)). The electric field is proposed to introduce moving susceptibility of the second-order and induce second harmonic generation. Then, spatiotemporal quasi-phase matching (QPM) is applied to optimize the induced SHG. Numerical results reveal that in this way, the induced second harmonic is found at the frequency of omega(2) = 2 omega(0) -/+ Delta omega rather than 2 omega(0).
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页数：9
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