Christian Koos is a member of the board of directors at the Institute of Microstructure Technology (IMT) and the executive director of the Institute of Photonics and Quantum Electronics (IPQ). His research focusses on integrated photonics and the associated applications in high-speed optical communications, biophotonics, sensing, and metrology.

Christian Koos has authored and co-authored more than 280 papers in journals and archival conference proceedings and filed more than 25 patent applications. In 2012, he was awarded the Alfried-Krupp Prize for Young University Teachers, and in 2014, he received the Research Award of the State of Baden-Wuerttemberg. Christian Koos is founder of a start-up company.