1. Department of Electronics Technology, Faculty of Electrical Engineering and Informatics, Budapest University of Technology and Economics, H-1111 Budapest, Hungary
2. Department of Electrotechnology, Faculty of Electrical Engineering (K13113), Czech Technical University in Prague, Technická 2, 1902/2, Praha 6, Dejvice, 166 27 Prague, Czech Republic
3. Łukasiewicz Research Network-Institute of Microelectronics and Photonics, 30-701 Kraków, Poland