High power InAs quantum dot vertical external-cavity surface-emitting laser
(Color online) AFM scan of exposed InAs QDs.
(Color online) Index of refraction profile and simulated electrical field standing wave along the growth direction for the two RPG structures: (a) and (b) . Please note different -axis scales.
(a) Threshold pump-power density, (b) differential (slope) efficiency, and (c) maximum output power from as-grown QD VECSEL samples under cw operation as a function of heat sink temperature.
QD VECSEL output power vs incident pump power for two different output coupler transmission values for CVD diamond mounted QD VECSEL.
QD VECSEL lasing spectra for different incident pump powers.
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