Near infrared (765 nm) AlAs/AlGaAs vertical-cavity surface emitting laser (VCSEL) diodes with minimum threshold currents of 0.6 mA and threshold voltages of 1.9 V are demonstrated. The peak output powers exceed 5 mW. These characteristics represent a significant improvement compared to previously published data for VCSELs operating in this wavelength range.
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Gulden et al. (1995) studied this question.
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