Plasmonic and magnetic effects accompanying optical second-harmonic generation in Au/Co/Au nanodisks

被引：15
|
作者：
Murzina, T. V. [1 ]
Kolmychek, I. A. [1 ]
Nikulin, A. A. [1 ]
Gan'shina, E. A. [1 ]
Aktsipetrov, O. A. [1 ]
机构：
[1] Moscow MV Lomonosov State Univ, Fac Phys, Moscow 119992, Russia
来源：
JETP LETTERS | 2009年 / 90卷 / 07期
基金：
俄罗斯基础研究基金会;
关键词：
FILMS; NANOPARTICLES;
D O I：
10.1134/S0021364009190023
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Optical second-harmonic (SH) generation in Au/Co/Au sandwich-like nanodisks is studied, using several experimental techniques, at SH frequency being close to that of the plasmon resonance in the system. The dependences of the relative amplitude and phase of the magnetization-induced SH component on the angle of incidence are found to significantly differ from those measured for a continuous Au/Co/Au trilayer film. A phenomenological description of the observed effects is proposed, with special emphasis on resonant excitation of the local plasmon modes by the nonlinear sources induced in the nanodisks.
引用
收藏
页码：504 / 508
页数：5
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