ULTRAVIOLET STIMULATED-EMISSION AND OPTICAL GAIN SPECTRA IN CDXZN1-XS-ZNS STRAINED-LAYER SUPERLATTICES

被引：84

作者：

YAMADA, Y ^{[1
]}

MASUMOTO, Y ^{[1
]}

MULLINS, JT ^{[1
]}

TAGUCHI, T ^{[1
]}

机构：

[1] OSAKA UNIV,FAC ENGN,DEPT ELECT ENGN,SUITA,OSAKA 565,JAPAN

来源：

APPLIED PHYSICS LETTERS | 1992年 / 61卷 / 18期

关键词：

D O I：

10.1063/1.108291

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Stimulated emission at 374.9 nm has been observed in an optically pumped Cd0.22Zn0.78S-ZnS strained-layer superlattice at room temperature. Using a pump-and-probe technique with nanosecond excitation pulses, optical gain has also been observed at the tail part of the n = 1 heavy-hole exciton absorption spectrum in the presence of the clear absorption peak of the exciton. Our experimental results suggest that the stimulated emission originates from excitonic gain.

引用

页码：2190 / 2192

页数：3

共 18 条

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