ZnCdTe-ZnTe quantum-wells (QWs) have been grown on GaAs(100) substrate by low-pressure metal-organic chemical vapor deposition (LP-MOCVD). The emergence of multi-order satellite peaks in the X-ray diffraction (XRD) pattern indicates the formation of a periodic structure. The stimulated emission, which has rarely been reported in this structure before, is observed at 77 K, where the emission intensity grows superlinearly and the peak position slightly red-shifts with increasing excitation intensity. The origin of the stimulated emission can be attributed to the exciton-exciton collision process.