Füllner, Christoph
Sherifaj, Alban
Henauer, Thomas
Fang, Dengyang
Drayss, Daniel
Schmitz, Lennart
Harter, Tobias
Gutema, Tilahun Z. https://orcid.org/0000-0003-0119-1788
Zwick, Thomas
Freude, Wolfgang
Randel, Sebastian
Koos, Christian https://orcid.org/0000-0003-2690-0691
Article History
Received: 4 October 2024
Accepted: 18 June 2025
First Online: 18 September 2025
Competing interests
: C.K. is a co-founder and a former shareholder of Vanguard Photonics GmbH and Vanguard Automation GmbH (Karlsruhe, Germany), companies focusing on commercializing 3D nano-printing techniques in the field of integrated optics. C. K. is a co-founder and shareholder of Deeplight GmbH (Karlsruhe, Germany) and Deeplight SA (St. Sulpice, Switzerland), start-up companies commercializing frequency-agile low-noise lasers and frequency comb sources based on Si3N4 photonic integrated circuits. C.K., D.D. and D.F. are co-founders and shareholders of Teragear GmbH (Karlsruhe, Germany) a company engaged in development of photonic-electronic signal processing technologies and systems. All other authors declare no competing interests.