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Visible AlGaAs single quantum well lasers with low threshold current density grown by molecular beam epitaxy

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5 Author(s)

The letter reports short wavelength emission (7205 AA) from MBE AlGaAs GRINSCH single quantum well lasers. Visible emission is obtained with a 60 AA AlGaAs well containing approximately=18% aluminium and both design optimisation and growth conditions lead to low-threshold operation. Broad area Fabry-Perot diodes have threshold current densities as low as 390 A/cm/sup 2/ and 670 A/cm/sup 2/ for cavity lengths of 500 mu m and 250 mu m, respectively.<>

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Electronics Letters  (Volume:24 ,  Issue: 9 )