Journal of Crystal GrowthPicosecond optical bistability in ZnSe-ZnTe/CaF2 multiple quantum wells at room temperatureD.Z. Shen, Xiuwei Fan, Z. S. Piao, G.H. FanPublished Feb 1, 1992• 9 citationsPublisherDOI10.1016/0022-0248(92)90805-s