About the Authors

Daniel Havelka

havelka@ufe.cz

Affiliations Institute of Photonics and Electronics, Academy of Sciences of the Czech Republic, Prague, Czechia, Department of Electromagnetic Field, Faculty of Electrical Engineering, Czech Technical University in Prague, Prague, Czechia

Ondřej Kučera

Affiliation Institute of Photonics and Electronics, Academy of Sciences of the Czech Republic, Prague, Czechia

Marco A. Deriu

Affiliation Institute of Computer Integrated Manufacturing for Sustainable Innovation, Department of Innovative Technologies, University of Applied Sciences and Arts of Southern Switzerland (SUPSI), Manno, Switzerland

Michal Cifra

Affiliation Institute of Photonics and Electronics, Academy of Sciences of the Czech Republic, Prague, Czechia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MC DH OK. Performed the experiments: DH. Analyzed the data: OK DH MC. Contributed reagents/materials/analysis tools: MAD. Wrote the paper: OK MC DH.