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Abstract <p>We report a theoretical study of the effect of donor doping of a CdS/ZnSe/ZnSSe quantum-well heterostructure on optical gain and luminescence spectra. It is shown that doping leads to a&#xa0;decrease in the threshold pump level at which optical gain arises, and reduces the short-wavelength shift of the luminescence line with increasing pump level, which is inherent in heterostructures with type-II band offsets.</p>

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Effect of Doping a CdS/ZnSe/ZnSSe Quantum-Well Heterostructure on Luminescence and Optical Gain Spectra

  • 期刊论文

  • 发表日期：

    2025年12月9日

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  • M. R. Butaev,
  • V. I. Kozlovsky

摘要

Abstract

We report a theoretical study of the effect of donor doping of a CdS/ZnSe/ZnSSe quantum-well heterostructure on optical gain and luminescence spectra. It is shown that doping leads to a decrease in the threshold pump level at which optical gain arises, and reduces the short-wavelength shift of the luminescence line with increasing pump level, which is inherent in heterostructures with type-II band offsets.