The nonlinear optical properties of AlGaAs at the half band gap

被引：214

作者：

Aitchison, JS

Hutchings, DC

Kang, JU

Stegeman, GI

Villeneuve, A

机构：

[1] UNIV CENT FLORIDA,CREOL,ORLANDO,FL 32816

[2] UNIV LAVAL,FAC SCI,COPL,ST FOY,PQ G1K 7P4,CANADA

[3] UNIV LAVAL,FAC SCI,DEPT PHYS,ST FOY,PQ G1K 7P4,CANADA

来源：

IEEE JOURNAL OF QUANTUM ELECTRONICS | 1997年 / 33卷 / 03期

基金：

美国国家科学基金会; 英国工程与自然科学研究理事会;

关键词：

nonlinear optics; optical propagation in anisotropic media; optical propagation in nonlinear media;

D O I：

10.1109/3.556002

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We report experimental values for the nonlinear optical coefficients of AlGaAs, in the half-band-gap spectral region. The dispersion of the nonlinear refractive-index coefficient, nl, is measured for both TE- and TM-polarized light. We observe n(2)(TE) > n(2)(TM) and a ratio of cross-phase modulation to self-phase modulation (TE) of similar to 0.95, as predicted from bandstructure calculations. The spectral dependence of the two- and three-photon absorption coefficients are also measured, Finally, the implications for all-optical switching and spatial soliton propagation are discussed.

引用

页码：341 / 348

页数：8

共 33 条

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