Abstract
Visible lasers with two strained GaInP quantum wells and AlGaAs cladding layers have been fabricated using metalorganic vapor phase epitaxy. A dry-etched surface ridge has been chosen as a device structure, which results in a small astigmatism and a low threshold current. Owing to an electroplated heat spreader on top of the ridge, the devices can be operated continuous-wave (CW) junction-side-up at temperatures up to 100 degrees C. Lasers mounted junction-side-down with coated mirror facets operating at 30 mW output power show single-mode behavior and good reliability, as proven by a lifetime test of over 3000 h.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
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