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- W2039402011 abstract "We report the Ga<SUB>0.86</SUB>In<SUB>0.14</SUB>As<SUB>0.13</SUB>Sb<SUB>0.87</SUB> room temperature refractive index value obtained from direct reflectivity measurements and also estimated from laser transverse far field pattern measurements. The value n equals 3.78 obtained is higher than previous theoretical calculations and is high enough to support a good optical confinement in DH lasers with 27% Al in the confining layers. We also show that the active layer low resistivity gives the main contribution to the high threshold current (I<SUB>th</SUB>) for narrow stripe lasers. This is partly solved by making the active region n-type. The minimum I<SUB>th</SUB> obtained for n-type active layer lasers was 290 mA compared to 800 mA for p-type active layer lasers, the broad area threshold current being the same (3 kA/cm<SUP>2</SUP>) in both cases." @default.
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- W2039402011 date "1993-06-16" @default.
- W2039402011 modified "2023-10-01" @default.
- W2039402011 title "Development of low-threshold current stripe lasers from GaInAsSb/GaAlAsSb DH wafers emitting at 2.2 μm" @default.
- W2039402011 doi "https://doi.org/10.1117/12.146931" @default.
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