THEORY OF QUASI-EQUILIBRIUM NONLINEAR-OPTICAL ABSORPTION IN SEMICONDUCTOR SUPERLATTICES

被引：16

作者：

JE, KC ^{[1
]}

MEIER, T ^{[1
]}

ROSSI, F ^{[1
]}

KOCH, SW ^{[1
]}

机构：

[1] UNIV MARBURG,CTR MAT SCI,D-35032 MARBURG,GERMANY

来源：

APPLIED PHYSICS LETTERS | 1995年 / 67卷 / 20期

关键词：

D O I：

10.1063/1.114831

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Quasiequilibrium nonlinear optical absorption spectra are computed for semiconductor superlattices. The theory generalizes the semiconductor Bloch equations to describe anisotropic structures. The equation for the interband polarization is solved numerically and the carrier-density dependent optical nonlinearities are computed. Starting from excitonic absorption, with increasing density exciton saturation and the development of gain is observed. The dependence of the gain spectra on structural parameters of the superlattice is discussed. (C) 1995 American Institute of Physics.

引用

页码：2978 / 2980

页数：3

共 11 条

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