On the optical modal gain of coupled quantum wells

被引：0

作者：

Kucharczyk, M ^{[1
]}

Wartak, MS

Rusek, P

机构：

[1] Wilfrid Laurier Univ, Dept Phys & Comp, Waterloo, ON N2L 3C5, Canada

[2] Tampere Univ Technol, Dept Phys, Semilab, FIN-33101 Tampere, Finland

[3] Wroclaw Univ Technol, Inst Phys, PL-50370 Wroclaw, Poland

来源：

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 1999年 / 22卷 / 05期

关键词：

quantum wells; GaAs-AlGaAs; optical gain;

D O I：

10.1002/(SICI)1098-2760(19990905)22:5<301::AID-MOP4>3.0.CO;2-Q

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Optical modal gain has been investigated for coupled quantum wells. Subband energies and envelope functions were determined by solving the Luttinger-Kohn effective mass equation including band mixing. The analysis was performed for GaAs-Al0.3Ga0.7As system, and shows that well coupling substantially shifts the spectral gain peak and band mixing reduces the gain peak as compared to the parabolic model. The implications for the design of semiconductor lasers based on coupled quantum wells are briefly discussed. (C) 1999 John Wiley & Sons, Inc.

引用

页码：301 / 304

页数：4

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