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A novel interference phenomenon is observed in the femtosecond four-wave mixing experiment of AlGaAs/GaAs multiphe quantum well film, which is interpreted as the interference of Rayleigh scattering and four-wave mixing of the sample. Based on the Rayleigh scattering mode, a dephasing time of 44 fs of the sample is deduced.
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Keywords:
- multiple quantum well /
- four-wave mixing /
- Rayleigh scattering
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中国物理学会期刊
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