Terahertz emission via ultrashort-pulse excitation of magnetic metal films

被引：109

作者：

Hilton, DJ ^{[1
]}

Averitt, RD ^{[1
]}

Meserole, CA ^{[1
]}

Fisher, GL ^{[1
]}

Funk, DJ ^{[1
]}

Thompson, JD ^{[1
]}

Taylor, AJ ^{[1
]}

机构：

[1] Los Alamos Natl Lab, Los Alamos, NM 87545 USA

来源：

OPTICS LETTERS | 2004年 / 29卷 / 15期

关键词：

D O I：

10.1364/OL.29.001805

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We observe terahertz emission by optical rectification of an intense 1.5-eV, 50-fs pulse in single-crystal iron thin films grown by molecular beam epitaxy. The azimuthal dependence of the emission indicates the presence of a magnetic nonlinearity and a nonmagnetic surface nonlinearity.

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页码：1805 / 1807

页数：3

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