Reducing stimulated emission threshold power density of AlGaN/AlN multiple quantum wells by nano-trench-patterned AlN template
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2018.10.402
Abstract: Abstract We investigate the crystal quality of epitaxy lateral overgrowth (ELOG) AlN layers and the performance of optical pumping AlGaN-based deep-ultraviolet laser diodes (LDs) on two different patterned AlN templates upon sapphire substrate. The full… read more here.
Keywords: trench patterned; aln template; patterned aln; nano trench ... See more keywords
Centimeter-scale laser lift-off of an AlGaN UVB laser diode structure grown on nano-patterned AlN
Sign Up to like & getrecommendations! Published in 2022 at "Applied Physics Express"
DOI: 10.35848/1882-0786/ac6567
Abstract: The centimeter-scale laser lift-off (LLO) of a UVB laser diode structure on nano-patterned AlN was demonstrated by using a 257 nm pulsed laser. The mechanism of this LLO, which can be used for vertical light-emitting… read more here.
Keywords: patterned aln; laser lift; laser; nano patterned ... See more keywords