16 W continuous-wave room temperature front facet output optical power and 74% wallplug efficiency were attained in 100 µm-aperture 1.06 µm-emitting laser diodes with 2–3 mm cavity length. The lasers are based on AlGaAs/GaAs/InGaAs quantum well asymmetric heterostructures with 1.7 µm-thick waveguide having 0.34 cm−1 internal optical loss.
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Pikhtin et al. (2004) studied this question.
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