Researchers develop technology to mass produce quantum dot lasers for optical communications

https://phys.org/news/2024-06-technology-mass-quantum-dot-lasers.html

"reduces production semiconductor laser cost 6X... Metal-Organic Chemical Vapor Deposition... indium arsenide/gallium arsenide quantum dot laser diodes on gallium-arsenic substrates, for 1.3 µm wavelength optical communications.band... high-temperature 75°C operation, high density, good uniformity, strong  (GaAs substrate <1/3 cost) defect tolerance, enabling larger substrate areas... lower power consumption, reduced development time... optical communications"