High beta lasing in micropillar cavities with adiabatic layer design
Abstract
We report on lasing in optically pumped adiabatic micropillar cavities, based on the AlAs/GaAs material system. A detailed study of the threshold pump power and the spontaneous emission beta factor in the lasing regime for different diameters d(c) is presented. We demonstrate a reduction of the threshold pump power by over 2 orders of magnitude from d(c) = 2.25 mu m down to 0.95 mu m. Lasing with beta factors exceeding 0.5 shows that adiabatic micropillars are operating deeply in the cavity quantum electrodynamics regime.
Citation
Lermer , M , Gregersen , N , Lorke , M , Schild , E , Gold , P , Mork , J , Schneider , C , Forchel , A , Reitzenstein , S , Höfling , S & Kamp , M 2013 , ' High beta lasing in micropillar cavities with adiabatic layer design ' , Applied Physics Letters , vol. 102 , no. 5 , 052114 . https://doi.org/10.1063/1.4791563
Publication
Applied Physics Letters
Status
Peer reviewed
ISSN
0003-6951Type
Journal article
Collections
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