Gain and absorption spectra in ZnSe-based blue-green diode lasers have been measured to show the role of pairwise Coulomb correlation between electrons and holes in Zn_1-x{Cd}ₓ$Se/${Zn}_{1{{-}}x}SₓSe quantum wells (QW's) under lasing conditions at room temperature. In addition, the radiative decay rates of electron-hole pairs have been obtained from time-resolved photoluminescence measurements over a wide temperature range. These experiments also point out the importance of the Coulomb interactions on the QW optical properties near its fundamental absorption edge under device operating conditions.
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Ding et al. (1994) studied this question.
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