• Jouko Lång

    Jouko Lång, CTO and cofounder of Comptek Solutions, is the inventor of Kontrox technology and an expert in compound semiconductor materials. A prolific innovator, he has authored or coauthored more than 30 peer-reviewed articles and holds >10 patents driving breakthroughs that enhance semiconductor device performance and manufacturing efficiency.

    Interface quality achieved with traditional coating process (top) vs. stable, high-quality oxide achieved with Kontrox treatment (bottom).
    Jouko Lång
    May 9, 2025
    A crystalline oxide-based method boosts laser diode performance while curbing catastrophic optical mirror damage (COMD) risks and production costs.