Fourth-harmonic generation at a crystalline GaAs(001) surface

被引：17

作者：

Lee, YS

Anderson, MH

Downer, MC

机构：

[1] Department of Physics, University of Texas at Austin, Austin

来源：

OPTICS LETTERS | 1997年 / 22卷 / 13期

关键词：

D O I：

10.1364/OL.22.000973

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate fourth-harmonic generation from a GaAs(001) surface by using femtosecond pulses well below damage threshold. Our data reveal a strong fourfold anisotropic surface-specific polarization that is not present in second-harmonic generation and is nearly as strong as the bulk polarization. (C) 1997 Optical Society of America.

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页码：973 / 975

页数：3

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