MANY-BODY EFFECTS ON THE LINEWIDTH ENHANCEMENT FACTOR IN QUANTUM-WELL LASERS

被引：19

作者：

CHOW, WW

KOCH, SW

SARGENT, M

ELL, C

机构：

[1] UNIV ARIZONA,CTR OPT SCI,TUCSON,AZ 85721

[2] UNIV ARIZONA,DEPT PHYS,TUCSON,AZ 85721

[3] UNIV FRANKFURT,INST THEORET PHYS,W-6000 FRANKFURT,GERMANY

来源：

APPLIED PHYSICS LETTERS | 1991年 / 58卷 / 04期

关键词：

D O I：

10.1063/1.104676

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A many-body theory that includes band-gap renormalization, plasma screening, and interband Coulomb effects is used to calculate the linewidth enhancement factor alpha in quantum well lasers. We find significant variations in alpha with carrier density, suggesting that improvements in the laser linewidth and reduction in filamentation effects are possible for some laser configurations.

引用

页码：328 / 330

页数：3

共 9 条

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