Low dimensional GaAs/air vertical microcavity lasers
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We report on the fabrication of gallium arsenide (GaAs)/air distributed Bragg reflector microresonators with indium gallium arsenide quantum wells. The structures are studied via momentum resolved photoluminescence spectroscopy which allows us to investigate a pronounced optical mode quantization of the photonic dispersion. We can extract a length parameter from these quantized states whose upper limit can be connected to the lateral physical extension of the microcavity via analytical calculations. Laser emission from our microcavity under optical pumping is observed in power dependent investigations.
Gessler , J , Steinl , T , Mika , A , Fischer , J , Sek , G , Misiewicz , J , Höfling , S , Schneider , C & Kamp , M 2014 , ' Low dimensional GaAs/air vertical microcavity lasers ' , Applied Physics Letters , vol. 104 , no. 8 , 081113 . https://doi.org/10.1063/1.4866805
Applied Physics Letters
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