OPTICAL NONLINEARITIES DUE TO SUBBAND STRUCTURES IN AL0.08IN0.92SB/INSB SUPERLATTICES

被引：20

作者：

WALROD, D

AUYANG, SY

WOLFF, PA

TSANG, W

机构：

[1] MIT,DEPT PHYS,CAMBRIDGE,MA 02139

[2] AT&T BELL LABS,MURRAY HILL,NJ 07974

来源：

APPLIED PHYSICS LETTERS | 1990年 / 56卷 / 03期

关键词：

D O I：

10.1063/1.102836

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report the first observation of optical nonlinearities due to subband structures in the growth direction of an n-type superlattice by four-wave mixing in an end-firing configuration. We observe a nearly eightfold increase in the third-order optical susceptibility when the electric fields of the CO 2 laser are changed from a parallel to a perpendicular orientation to the plane of an Al0.08In0.92Sb/InSb superlattice. No change is observed in a control InSb epilayer under similar conditions.

引用

页码：218 / 220

页数：3

共 8 条

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