BELOW-BAND-GAP 3RD-ORDER OPTICAL NONLINEARITY OF NANOMETER-SIZE SEMICONDUCTOR CRYSTALLITES

被引：175

作者：

COTTER, D

BURT, MG

MANNING, RJ

机构：

[1] British Telecom Laboratories, Ipswich

来源：

PHYSICAL REVIEW LETTERS | 1992年 / 68卷 / 08期

关键词：

D O I：

10.1103/PhysRevLett.68.1200

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We find evidence that quantum confinement of electrons in small semiconductor particles causes the nonlinear optical properties in the transparency region to differ markedly from those of bulk semiconductors. The optical Stark effect makes the dominant contribution to the third-order refractive nonlinearity.

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页码：1200 / 1203

页数：4

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