1. Laboratoire de Mathématiques et Physique (EA 4217), Université de Perpignan Via Domitia, F-66860 Perpignan, France
2. Kotel’nikov Institute of Radio Engineering and Electronics of the Russian Academy of Sciences, Vvedenskii Square 1, Fryazino, Moscow Region, 141190, Russia
3. Department of Electronic and Electrical Engineering, Trinity College, Dublin 2, Ireland
4. Electricity Supply Board, Generation, Asset Management, Dublin 3, Ireland
5. The Moscow Institute of Physics and Technology (State University), Institutskiy per. 9, Dolgoprudnyy, Moscow Region, 141701, Russia