Multiphoton absorption and nonlinear refraction of GaAs in the mid-infrared

被引：161

作者：

Hurlbut, W. C. ^{[1
]}

Lee, Yun-Shik

Vodopyanov, K. L.

Kuo, P. S.

Fejer, M. M.

机构：

[1] Oregon State Univ, Dept Phys, Corvallis, OR 97331 USA

[2] Stanford Univ, EL Ginzton Lab, Stanford, CA 94305 USA

来源：

OPTICS LETTERS | 2007年 / 32卷 / 06期

关键词：

D O I：

10.1364/OL.32.000668

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report the wavelength dependencies of the two- and three-photon absorption coefficients of undoped GaAs in the spectral range 1.3-3.5 mu m, as well as nonlinear refractive index n(2) in the range 1.7-3.25 mu m. The data were obtained by using the single-beam Z-scan method with 100-fs-long optical pulses. Anisotropy of the three-photon absorption coefficient was observed and found to be consistent with the crystal symmetry of GaAs. (c) 2007 Optical Society of America.

引用

页码：668 / 670

页数：3

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