Simulation of the ultrafast nonlinear optical response of metal slabs

被引：5
|
作者：
Wand, Mathias [1 ]
Schindlmayr, Arno
Meier, Torsten
Foerstner, Jens
机构：
[1] Univ Paderborn, Dept Phys, D-33098 Paderborn, Germany
来源：
PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS | 2011年 / 248卷 / 04期
关键词：
density-functional theory; metal nanostructures; plasmonics; second-harmonic generation; ultrafast nonlinear optics; GENERATION;
D O I：
10.1002/pssb.201001219
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We present a nonequilibrium ab initio method for calculating nonlinear and nonlocal optical effects in metallic slabs with a thickness of several nanometers. The numerical analysis is based on the full solution of the time-dependent Kohn-Sham equations for a jellium system and allows to study the optical response of metal electrons subject to arbitrarily shaped intense light pulses. We find a strong localization of the generated second-harmonic current in the surface regions of the slabs. (C) 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
引用
收藏
页码：887 / 891
页数：5
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