STIMULATED-EMISSION VIA INELASTIC EXCITON-EXCITON SCATTERING IN ZNSE EPILAYERS

被引：60

作者：

NEWBURY, PR ^{[1
]}

SHAHZAD, K ^{[1
]}

CAMMACK, DA ^{[1
]}

机构：

[1] COLUMBIA UNIV,DEPT APPL PHYS & NUCL ENGN,NEW YORK,NY 10027

来源：

APPLIED PHYSICS LETTERS | 1991年 / 58卷 / 10期

关键词：

D O I：

10.1063/1.104424

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Stimulated emission at 6 K by optical excitation has been investigated in ZnSe epilayers. A detailed examination of the spectra below threshold indicates that the stimulated emission is due to inelastic exciton-exciton scattering, in contrast with some recent reports that lasing is due to electron-hole plasma luminescence modified by self-absorption. A red shift of the lasing line at high pump intensities has also been modeled in terms of the exciton-exciton and band filling mechanisms, giving excellent agreement with the data.

引用

页码：1065 / 1067

页数：3

共 17 条

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