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Ultrafast Relaxation of Coherent Control Photocurrent in AlGaAs/GaAs Multi Quantum Wells
作者姓名:林位株 寿倩 刘鲁宁 吴羽 文锦辉 赖天树
作者单位:StateKeyLaboratoryofOptoelectronicMaterialsandTechnologies,SunYat-SenUniversity,Guangzhou510275
摘    要:We theoretically and experimentally study the ultrafast dynamics of coherent control photocurrent in AsGaAs/GaAs multi quantum wells at room temperature. A ballistic photocurrent relaxation time of~200fs is deduced based on the theory of density matrix and is evidenced with the three-colour femtosecond pump-probe measurements.

关 键 词:超快松弛 光电流 相干控制 量子井 半导体
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