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
收藏
页码：341 / 348
页数：8
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