Recent data on two approaches for 1.3 /spl mu/ laser operation on GaAs substrates, InAs QDs and InGaNAs QWs, are presented. Lasers fabricated with epitaxial films of MBE grown InAs/InGaAs quantum dots have shown to be capable of ultra low threshold current operation near 1 mA while reaching several mW power level. MOCVD grown InGaNAs quantum wells showed low threshold density of less than 400 A/cm/sup 2/.
Long wavelength laser diodes based on GaAs diodes based on GaAs
2003-01-01
249805 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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