INTERSUBBAND STIMULATED-EMISSION AND OPTICAL GAIN BY PHONON PUMPING IN QUANTUM WIRES

被引：6

作者：

LEBURTON, JP

机构：

[1] Beckman Institute for Advanced Science and Technology, Department of Electrical and Computer Engineering, University of Illinois at Urbana-Champaign, Urbana

来源：

JOURNAL OF APPLIED PHYSICS | 1993年 / 74卷 / 02期

关键词：

D O I：

10.1063/1.354900

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We present an analysis of the optical gain for stimulated emission between subbands in quasione-dimensional structures. The population inversion is induced by a new pumping mechanism involving phonon absorption during transport in quantum wires. The population inversion threshold for far infrared stimulated emission is calculated in a generic GaAs quantum wires laser structure and shows a quite reasonable minimum value of DELTAn = 3 X 10(5)/cm at lambda = 100 mum. For longer wavelengths, free carrier absorption is the main limitation to stimulated emission.

引用

页码：1417 / 1420

页数：4

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