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A self-consistent model comprising rate equations and thermal conduction equation is used to analyze the influence of oxide aperture on thermal properties and output power of 1.3 mum InAs-GaAs quantum-dot (QD) vertical cavity surface emitting lasers (VCSELs). The results show the self-heating effect in QD VCSEL is very sensitive to the size of oxide aperture. The temperature increase at the active...
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