低温ZnSe/ZnS多量子阱光学双稳态

Optical bistabilities in ZnSe/ZnS multiple quantum wells at low temperature

我们在77K温度下,观察了ZnSe/ZnS多量子阱的激光吸收及激子带展宽现象。在不同的激发波长处进一步得到了增强吸收双稳和色散型双稳态。非线性机制为激子带展宽。

Excitonic absorption and the excitonic band broadening are observed in ZnSe /ZnS multiple quantum wells at 77K, and the increasing absorption and dispersive optical bistabilities are obtained at different excitation wavelengths. The nonlinear mechanism is the excitonic band broadening.