Duringthemeasurementofphotoluminescence(PL)spectraofcompoundmultiquantumwells,thetransitionsfromtwogroupsquantumwellswithdifferentCdcompositionwereobserved,thetransitionsenergycoincidewiththeresultsobtainedbycalculationfromenvelopefunctionapproximateincludingstrain.Thedifferentluminescencepropertiesunderdifferentexciteddensityandafterdifferentdelaytimeduetotheinjectioneffectwerediscusseddetailed.