1. Department Optics for Solar Energy Helmholtz‐Zentrum Berlin für Materialien und Energie Albert‐Einstein‐Str. 16 12489 Berlin Germany
2. Division Biophotonics Federal Institute for Materials Research and Testing (BAM) Richard‐Willstaetter‐Str. 11 12489 Berlin Germany
3. Computational Nano Optics Group Zuse Institute Berlin Takustr. 7 14195 Berlin Germany