Optical gain in colloidal quantum dots achieved with direct-current electrical pumping

Optical gain in colloidal quantum dots achieved with direct-current electrical pumping, Published online: 20 November 2017; doi:10.1038/nmat5011

Core/shell type-I semiconductor nanocrystals with compositionally graded shell and embedded in a current-focusing device architecture reach population inversion, a condition required for lasing, when excited with direct current.

中文翻译：

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直流电泵浦实现胶体量子点的光学增益

直流电泵浦实现胶体量子点的光学增益

通过直流电泵浦实现的胶体量子点的光学增益，在线发布：2017年11月20日；doi：10.1038 / nmat5011

具有成分分级的外壳并嵌入电流聚焦器件体系结构中的核/壳I型半导体纳米晶体达到载流子反转，这是用直流电激发时产生激光的条件。