非对称半导体量子阱中自发辐射相干诱导透明  

Spontaneously generated coherence induced transparency in an asymmetric semiconductor quantum well

作　　者：陈爱喜[1] 陈渊[1] 邓黎[1] 邝耘丰[1] 

机构地区：[1]华东交通大学应用物理系,南昌330013

出　　处：《物理学报》2012年第21期232-236,共5页Acta Physica Sinica

基　　金：国家自然科学基金(批准号:11065007;11165008);江西省自然科学基金(批准号:20114BAB202001;20122BAB202007);华东交通大学校立科研基金(批准号:10JC03)资助的课题~~

摘　　要：研究了一束低强度探测脉冲光场在一个非对称半导体量子阱中的传输特性.在相同参数条件下,通过由自发辐射相干产生的交叉耦合系数来调控介质对探测场吸收、色散的变化规律.结果表明:从自发辐射相干的引入到达到相干最大,介质的吸收不断减小,同时强色散也随之进入透明窗口.Properties of transmission of a weak pulsed light in an asymmetric semiconductor quantum well are investigated. Under the condition of same physical parameters, we research absorption and chromatic dispersion of pulsed light via changing the cross coupling term resulting from the spontaneously generated coherence effect in an asymmetric s^miconductor quantum well. It turns out that the absorption of quantum well medium is continually decreasing with the enhancement of spontaneously generated coherence effect. Simultaneously, strong chromatic dispersion turns into transparent window.

关 键 词：量子阱 自发辐射相干 吸收 色散 

分 类 号：O471.1[理学—半导体物理]