SINGLE-PULSE PUMP-PROBE MEASUREMENT OF OPTICAL NONLINEAR PROPERTIES IN GAAS/ALGAAS MULTIPLE-QUANTUM WELLS

被引：9

作者：

KAWASE, M ^{[1
]}

GARMIRE, E ^{[1
]}

LEE, HC ^{[1
]}

DAPKUS, PD ^{[1
]}

机构：

[1] UNIV SO CALIF,NATL CTR INTEGRATED PHOTON TECHNOL,LOS ANGELES,CA 90089

来源：

IEEE JOURNAL OF QUANTUM ELECTRONICS | 1994年 / 30卷 / 04期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1109/3.291369

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：

Single-pulse ps-pump and ns-probe nonlinear transmission measurements provide carrier-density-dependent optical nonlinear spectra in GaAs/AlGaAs multiple quantum wells grown by metalorganic chemical vapor deposition. The use of the ps pump eliminates the need to know carrier lifetime to determine carrier density. The saturation behavior of changes in absorption coefficient and refractive index are modeled by a simple saturation equation to obtain saturation carrier density. The saturation spectra for different well thicknesses are obtained. The minimum saturation carrier density appears around 150 angstrom.

引用

页码：981 / 988

页数：8

共 15 条

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