OBSERVATION OF 3RD-ORDER INTERSUBBAND DC KERR EFFECT AT THE MIDINFRARED WAVELENGTHS IN GAAS QUANTUM-WELLS

被引：26

作者：

SAAR, A ^{[1
]}

KUZE, N ^{[1
]}

FENG, J ^{[1
]}

GRAVE, I ^{[1
]}

YARIV, A ^{[1
]}

机构：

[1] CALTECH,THOMAS J WATSON LABS APPL PHYS,PASADENA,CA 91125

来源：

APPLIED PHYSICS LETTERS | 1992年 / 61卷 / 11期

关键词：

D O I：

10.1063/1.107612

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report on the first observation of third-order intersubband nonlinearities in a quantum well structure. We have measured the dc Kerr effect in a symmetric quantum well and found that the Kerr coefficients due to intersubband transitions are six orders of magnitude larger than that of bulk GaAs. To our best knowledge this is the largest value ever measured for the third-order susceptibility. By including dc screening effects and evaluating the internal electric field in the well, a good agreement between the calculated coefficients and the experimental ones was found.

引用

页码：1263 / 1265

页数：3

共 21 条

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