Author Affiliations

S. Ummethala,^1,2,* T. Harter,^1,2 K. Köhnle,^1,2 S. Muehlbrandt,^1,2 Y. Kutuvantavida,^1,2 J. N. Kemal,¹ J. Schaefer,⁴ H. Massler,⁵ A. Tessmann,⁵ S. K. Garlapati,³ A. Bacher,² L. Hahn,² M. Walther,⁵ T. Zwick,⁴ S. Randel,¹ W. Freude,¹ and C. Koos^1,2,**

¹Institute of Photonics and Quantum Electronics (IPQ), Karlsruhe Institute of Technology (KIT), 76131 Karlsruhe, Germany

²Institute of Microstructure Technology (IMT), Karlsruhe Institute of Technology (KIT), 76131 Karlsruhe, Germany

³Institute of Nanotechonology (INT), Karlsruhe Institute of Technology (KIT), 76131 Karlsruhe, Germany

⁴Institute of Radio Frequency Engineering and Electronics (IHE), Karlsruhe Institute of Technology (KIT), 76131 Karlsruhe, Germany

⁵Fraunhofer Institute for Applied Solid State Physics (IAF), 79108 Freiburg, Germany

^*Corresponding author: sandeep.ummethala@kit.edu

^** christian.koos@kit.edu