We have demonstrated AlGaAs/GaAs VCSELs optimized for operation in the cryogenic region from 150K to 10K, with superior DC lasing characteristics including a high output power, low and nearly constant threshold current, low operating voltage, a slope efficiency of /spl sim/100%, and a 11GHz modulation bandwidth that is limited by parasitics.
Efficient AlGaAs/GaAs vertical-cavity surface-emitting lasers (VCSELs) optimized for cryogenic operation at 6 K to 150 K
01.01.1995
176800 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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