CONTROL OF ELECTRON POPULATION BY INTERSUBBAND OPTICAL-EXCITATION IN POTENTIAL-INSERTED DOUBLE-QUANTUM-WELL STRUCTURES

被引：18
|
作者：
AKIYAMA, H [1 ]
SUGAWARA, H [1 ]
KADOYA, Y [1 ]
LORKE, A [1 ]
TSUJINO, S [1 ]
SAKAKI, H [1 ]
机构：
[1] ERATO,RES DEV CORP JAPAN,QUANTUM WAVE PROJECT,TOKYO 153,JAPAN
来源：
APPLIED PHYSICS LETTERS | 1994年 / 65卷 / 04期
关键词：
D O I：
10.1063/1.112321
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A remarkable change in photoluminescence spectra was observed when CO2 laser light was incident to induce an intersubband transition in a novel asymmetric double quantum well structure where the second subbands of both wells are resonantly coupled, while the ground subbands are not. It is found that the observed change originates from the CO2-laser-induced transfer of electrons from one well to the other, demonstrating the controllability of electron population by means of infrared light.
引用
收藏
页码：424 / 426
页数：3
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