Ultrafast Semiconductor Lasers

This lecture introduces the Mixel project, focusing on the vertical integration of ultrafast semiconductor lasers for mass production. The instructor explains the importance of ultrafast lasers in accessing fast dynamics, showcasing historical breakthroughs and current applications. The lecture highlights the advantages of ultra short pulse lasers, such as high precision spectroscopy and optical frequency control. The instructor emphasizes the potential impact of these lasers in various fields, from fast communication to biomedical imaging. The presentation details the development of vexels and C-SAMs, leading to the mixer concept, which integrates quantum wells and quantum dot layers for pulse formation. Challenges in integrating these elements are discussed, along with the achievements and future goals of the research consortium.