L. Kowalczyk et al., STIMULATED AND LASER-EMISSION IN CDZNTE CDMNTE DOUBLE-QUANTUM-WELL HETEROSTRUCTURES/, Acta Physica Polonica. A, 88(4), 1995, pp. 787-790
Stimulated emission by optical excitation has been investigated in CdZ
nTe/CdMnTe quantum well heterostructures. Laser action has been achiev
ed at 4.2 K and at 77 K with relatively low threshold values of the ex
citation intensity. Photoluminescence excitation spectra of the stimul
ated emission were obtained indicating that tile optical gain involves
exciton-exciton inelastic scattering.