Colloidal quantum dot infrared lasers featuring sub-single-exciton threshold and very high gain

2023/09/26 by Taghipour, Nima, Dalmases, Mariona, Whitworth, Guy L. +3
#Applied Physics (physics.app-ph) #FOS: Physical sciences #Optics (physics.optics)

paper · doi:10.48550/arxiv.2309.15218

Abstract

The use of colloidal quantum dots (CQDs) as a gain medium in infrared laser devices has been underpinned by the need for high pumping intensities, very short gain lifetimes and low gain coefficients.

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