(In,Ga)As/GaP electrical injection quantum dot laser
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The paper reports on the realization of multilayer (In,Ga)As/GaP quantum dot (QD) lasers grown by gas source molecular beam epitaxy. The QDs have been embedded in (Al,Ga)P/GaP waveguide structures. Laser operation at 710 nm is obtained for broad area laser devices with a threshold current density of 4.4 kA/cm2 at a heat-sink temperature of 80 K.
Heidemann , M , Höfling , S & Kamp , M 2014 , ' (In,Ga)As/GaP electrical injection quantum dot laser ' Applied Physics Letters , vol 104 , no. 1 , 011113 . DOI: 10.1063/1.4860982
Applied Physics Letters
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