Abstract
Current developments in semiconductor nanolasers utilize effects of cavity quantum electrodynamics. Optical resonators with highly efficient three-dimensional mode confinement are combined with quantum dot (QD) emitters in which the three-dimensional carrier confinement leads to an atom-like carrier density of states. For devices with a small number of 50-200 QD emitters and large spontaneous emission coupling factors laser emission with strongly reduced laser threshold has been demonstrated [1].
© 2014 Optical Society of America
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