ON THE KINETIC-THEORY OF THE QUANTUM CASCADE LASER

被引：17

作者：

ELESIN, VF ^{[1
]}

KOPAEV, YV ^{[1
]}

机构：

[1] RUSSIAN ACAD SCI,PN LEBEDEV PHYS INST,MOSCOW 117924,RUSSIA

来源：

SOLID STATE COMMUNICATIONS | 1995年 / 96卷 / 11期

关键词：

QUANTUM WELLS; PHONONS; TUNNELING;

D O I：

10.1016/0038-1098(95)00482-3

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The exact solution is found of the system of coupled kinetic equations for the distribution functions of electrons and optical phonons in Quantum Cascade Laser. It is shown that under definite conditions the processes of optical phonon accumulation and reabsorption take place. The threshold current can be substantially reduced in such a situation due to the increase of the upper subband electrons lifetime. The effect is proportional to the difference in effective masses in upper and lower subbands which results from the nonparabolicity of bare energy spectrum.

引用

页码：897 / 899

页数：3