Role of optical interference effects in the enhancement of magnetization-induced second-harmonic generation

被引：14

作者：

Murzina, TV ^{[1
]}

Fedyanin, AA ^{[1
]}

Misuryaev, TV ^{[1
]}

Khomutov, GB ^{[1
]}

Aktsipetrov, OA ^{[1
]}

机构：

[1] Moscow MV Lomonosov State Univ, Dept Phys, Moscow 119899, Russia

来源：

APPLIED PHYSICS B-LASERS AND OPTICS | 1999年 / 68卷 / 03期

关键词：

D O I：

10.1007/s003400050662

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The role of optical interference in magnetization-induced effects in second-harmonic generation (SHG) is studied for magnetic nanostructures. The degree of magnetization-induced effects is governed by the fine-structure parameter and is subsequently small in low-order susceptibilities, yet enhanced at higher orders. One of the mechanisms of the enhancement of magnetization-induced contributions to the SHG intensity is related to the optical interference in the far-field region of the second-harmonic fields generated by nonmagnetic and magnetization-induced nonlinear polarizations. The model of interference is considered for resonant and off-resonant conditions in non-centro-symmetric media. This model is used for interpretation of experimental results of magnetization-induced SHG studies of Co nanocrystals and Gd monolayers.

引用

页码：537 / 543

页数：7

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